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1st Grade

Geometry

2015-11-30

www.njctl.org

Table of Contents2 Dimensional ShapesSides and CornersOpen and Closed Shapes

Sorting by Attributes

Composite ShapesOrientationFaces and CornersRectangular Prisms & Cubes

Cones, Cylinders & Spheres

Introduction to FractionsHalvesFourthsReview of Fractions

Review of 3-D Shapes

Click togo to topic

Lab: Shape Fun

Lab: Building Shapes

Lab: I Can Find a Shape Like That

Standards for Mathematical Practices

MP 8 Look for and express regularity in repeated reasoning.

MP 1 Make sense of problems and persevere in solving them.

MP 2 Reason abstractly and quantitatively.

MP 3 Construct viable arguments and critique the reasoning of others.

MP 4 Model with mathematics.

MP 5 Use appropriate tools strategically.

MP 6 Attend to precision.

MP 7 Look for and make use of structure.

Click on each standard to bring you to an example of how to meet

this standard within the unit.

2 Dimensional Shapes

Click to return to Table of Contents

A 2D shape is flat and has 2 dimensions (height & width). All of the shapes below are 2D shapes.

Click here for a song about shapes.

2D Shapes

What objects can you find in our classroom that are shaped like a circle?

2D ShapesI am a circle. I am round and I have no sides or edges. My center point is the same distance as any point on

the outer curve.

What objects can you find in our classroom that are shaped like a rectangle?

2D Shapes

I am a rectangle. I have four straight sides and four right corners. My opposite sides are

always equal.

I am a special type of rectangle. I am called a square.I have 4 equal sides and four corners.

What objects can you find in our classroom that are shaped like a square?

2D Shapes

Are both of these shapes rectangles?

2D Shapes

(Answer) / 242

Are both of these shapes rectangles?

2D Shapes

[This object is a pull tab]

eMP 3 Construct viable

arguments and critique the reasoning of others.

Have students discuss attributes of a rectangle and

decide if both shapes are rectangles or not. Then give

time for students to share their opinions.

What objects can you find in our classroom that are shaped like a triangle?

2D ShapesI am a triangle. I have three straight sides and three corners.

What objects can you find in our classroom that are shaped like a hexagon?

2D ShapesI am a hexagon. I have six straight sides and six corners.

I am a trapezoid. I have 4 sides and 4 corners. The top is shorter than the bottom.

What objects can you find in our classroom that are shaped like a trapezoid?

2D Shapes

What other flat (2D) shapes do you know?

2D Shapes

Cross out all the circles.Circle all of squares.

Color the triangles red.Color the trapezoids blue.

Color the rectangles green.Color the hexagons black.

2D Shapes

Shape Pictures

(Answer) / 242

Shape Pictures

Discuss shapes the students see in the picture. Relate this to how shapes are in our real

world. Have students use pattern blocks to make a

design with the blocks and then trace it onto paper. Have

another student name the shapes they see in the

picture.

Click here for a fun game that has the children search pictures for hidden

shapes.

Hidden Shapes

1 Is this shape a square?

(Answer) / 242

1 Is this shape a square?

2 Is this shape a triangle?

(Answer) / 242

2 Is this shape a triangle?

3 What is the name of this shape?

A square

B rectangle

C trapezoid

(Answer) / 242

A square

B rectangle

C trapezoid

A circleB triangleC trapezoid

(Answer) / 242

A circleB triangleC trapezoid

5 How many circles do you see?

(Answer) / 242

5 How many circles do you see?

Sides and Corners

A side is one of the lines that make a shape.Sides

How many sides does each shape have?

Rhombus Pentagon

Can you count the sides?

Triangle Trapezoid

How many sides?

Hexagon Square

A shape can have curved or straight lines

Curved

Straight

Put an X on the shapes with curved sides.

Circle the shapes with straight sides.Sides

A corner is the point where two sides meet. It can also be called a vertex.

Corners

How many corners does each shape have?

Rhombus Pentagon

Corners

Count the vertices.

Triangle Trapezoid

Corners

How many corners?

Hexagon Square

Corners

Square

I am made with straight lines.I have 4 corners.I have 4 sides.

All my sides are equal.What am I?

Name The Shape

(Answer) / 242

Square

I am made with straight lines.I have 4 corners.I have 4 sides.

All my sides are equal.What am I?

Name The Shape

? [This object is a pull tab]

Click on the ? to reveal the correct shape.

triangle

I am made with straight lines.I have three sides.

I have three vertices.What am I?

Name The Shape

Circle

I am made with curved lines.I do not have corners or sides.

I am round.What am I?

Name The Shape

rectangle

I am made with straight lines.I have 4 sides and 4 vertices.

I have 2 long sides and 2 short sides.What am I?

Name The Shape

HEXAGON

I am made with straight lines.I have 6 sides and 6 corners.

What am I?

Name The Shape

What is similar about the sides of a trapezoid and a rhombus?

Class Discussion

(Answer) / 242

What is similar about the sides of a trapezoid and a rhombus?

Class Discussion

MP 7: Look for and make use of structure.

Encourage students to talk with a partner about

what is the same (4 sides, straight sides, they both have sides that slant).

6 How many sides does a square have?

(Answer) / 242

6 How many sides does a square have?

7 Does a circle have curved or straight sides?

A Curved

B Straight

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7 Does a circle have curved or straight sides?

A Curved

B Straight

8 Does a rectangle have 3 corners?

(Answer) / 242

8 Does a rectangle have 3 corners?

9 How many corners does a trapezoid have?

(Answer) / 242

9 How many corners does a trapezoid have?

10 How many sides does a triangle have?

A 2B 3C 4

(Answer) / 242

10 How many sides does a triangle have?

A 2B 3C 4

Open and Closed Shapes

2D shapes can be open or closed.If a shape is open, two or more of the sides do not meet.

If a shape is closed, all of the sides meet.

Open Closed

Open or Closed

Open and closed shapes can have both curved and straight sides.

Open or Closed

Is this shape open or closed?Explain why.

How could we make it closed?

Open or Closed

Draw an open shape with 3 straight sides.

(Answer) / 242

Draw an open shape with 3 straight sides.

MP 4 Model with mathematics.

Have a volunteer come to the board and draw the shape.

Then ask for another volunteer to come make the shape

closed.

Draw a closed shape with 6 sides.

Closed

Draw a closed shape with curved sides.

Closed

Put a red X on the open shapes.Put a green O around the closed shapes.

Open or Closed

11 This shape is closed.

(Answer) / 242

11 This shape is closed.

12 Karen said this shape is open. Is she correct?

(Answer) / 242

12 Karen said this shape is open. Is she correct?

13 Sue saw an open shape while driving in the car. Which shape did she see?

(Answer) / 242

13 Sue saw an open shape while driving in the car. Which shape did she see?

C[This object is a pull tab]

14 Which two shapes are closed?

(Answer) / 242

14 Which two shapes are closed?

D[This object is a pull tab]

15 Is this shape open?

(Answer) / 242

15 Is this shape open?

Lab: I Can Find a Shape Like That

Click here for complete directions

This active game allows young learners to explore their environment and to discover that shapes that are

all around them.

Sorting by Attributes

Sorting means putting things into groups that have similar characteristics. These characteristics are called attributes. You can sort by different rules:

Sorting

Small Large

Sorting by Size

Circle RectangleSquare Triangle

Sorting by Shape

Red Yellow Blue

Sorting by Color

Sort the shapes by their size

Sort the shapes by their shape

Is there any other way to sort the shapes?

Sorting

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Is there any other way to sort the shapes?

Sorting

MP 1 Make of problems and persevere in solving them.

Give the students time to share other ways to sort the

shapes; the number of sides, the number of

corners, etc. Allow students to come to the board and

move the shapes.

We can make patterns using different attributes.

Color pattern:

Shape pattern:

Size pattern:

Sorting Patterns

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We can make patterns using different attributes.

Color pattern:

Shape pattern:

Size pattern:

Sorting Patterns

Discuss the different patterns. Show students how each pattern only focuses on

one attribute. If you feel that the students are ready you

may wish to develop patterns based on two attributes.

16 John sorted his blocks. Jimmy told him he liked how he sorted them by their color. Is Jimmy correct?

(Answer) / 242

16 John sorted his blocks. Jimmy told him he liked how he sorted them by their color. Is Jimmy correct?

17 These shapes are shorted by which attribute?A colorB shapeC size

(Answer) / 242

17 These shapes are shorted by which attribute?A colorB shapeC size

18 Kim sorted her blocks. Which attribute did she sort by?A colorB shapeC size

(Answer) / 242

18 Kim sorted her blocks. Which attribute did she sort by?A colorB shapeC size

19 These shapes are shorted by which attribute?

A colorB shapeC size

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19 These shapes are shorted by which attribute?

20 This pattern follows which attribute?

(Answer) / 242

20 This pattern follows which attribute?

Lab: Shape Fun

Have you ever seen randomly shaped pieces of wood and wondered how they could be used? Well, young children find geometry an exciting topic. Even with

random pieces, there are many ways to investigate and discover geometric shapes.

Click here for complete directions.

Composite Shapes

You can use shapes to build new shapes.

Which small shape do you see?What is the larger shape?

Composite Shapes

(Answer) / 242

You can use shapes to build new shapes.

Which small shape do you see?What is the larger shape?

Composite Shapes

Pass out pattern blocks for the students to use during the

next few slides.

This site also has pattern blocks that you can slide

around. http://www.mathplayground.com/

patternblocks.html

Use your pattern blocks to arrange three triangles to make a trapezoid.

Composite Shapes

(Answer) / 242

Use your pattern blocks to arrange three triangles to make a trapezoid.

Composite Shapes

otes The triangle is cloned to click

and drag onto the trapezoid. Allow students time to try it on

they own at their desk and then demonstrate it on the board.

How many trapezoids did you use?

Composite Shapes

Use your pattern blocks to arrange trapezoids to make a hexagon.

(Answer) / 242

How many trapezoids did you use?

Composite Shapes

Use your pattern blocks to arrange trapezoids to make a hexagon.

otes The trapezoid is cloned to click

and drag onto the hexagon. Allow students time to try it on

Use your pattern blocks to arrange triangles to make a rhombus.

How many triangles did you use?

Composite Shapes

(Answer) / 242

Use your pattern blocks to arrange triangles to make a rhombus.

Composite Shapes

The triangle is cloned to click and drag onto the rhombus. Allow

students time to try it on they own at their desk and then demonstrate

it on the board.

Use your pattern blocks to arrange rhombuses to make a hexagon.

How many rhombuses did you use?

Composite Shapes

(Answer) / 242

Use your pattern blocks to arrange rhombuses to make a hexagon.

How many rhombuses did you use?

Composite Shapes

otes The rhombus is cloned to click

and drag onto the hexagon. Allow students time to try it on

Use your pattern blocks to arrange triangles to make a hexagon.

Composite Shapes

(Answer) / 242

Use your pattern blocks to arrange triangles to make a hexagon.

Composite Shapes

otes The triangle is cloned to click

and drag onto the hexagon. Allow students time to try it

on they own at their desk and then demonstrate it

Use the shapes at the bottom to create the new shape.

Composite Shapes

(Answer) / 242

Composite Shapes

MP 5 Use appropriate tools strategically.

Have students try to build the shape with their blocks at their desk. Give them time to talk it

out with a partner. Have a volunteer come to the board to

build the shape.

Composite Shapes

Use the shapes at the bottom to create the new shape.Composite Shapes

Composite Shapes

(Answer) / 242

Composite Shapes

For more practice you can go to http://

www.kellyskindergarten.com/math/math_activities.htm and click on pattern block pictures for fun printable pictures for

kids to make with their blocks.

21 Can you make a rhombus with two triangles?

(Answer) / 242

21 Can you make a rhombus with two triangles?

22 There are three triangles in this trapezoid.

(Answer) / 242

22 There are three triangles in this trapezoid.

23 Which two shapes were used to make this shape?

(Answer) / 242

C [This object is a pull tab]

25 Which three shapes were used to make this shape?

(Answer) / 242

25 Which three shapes were used to make this shape?

A, B, C

Orientation

Front and Behind

(Answer) / 242

Front and Behind

otes Use the pictures of the vehicles

to practice using the words front and behind. The vehicles

can be moved around. Also use objects in the classroom to demonstrate front and behind.

(Answer) / 242

Over, Under, Above, and Below

(Answer) / 242

Over, Under, Above, and Below

Use the pictures of the table and kitchen items to practice using the words over, under, above, and below. The items can be

moved around. Also use objects in the classroom to demonstrate over, under, above, and below.

Top, Middle and Bottom

(Answer) / 242

Top, Middle and Bottom

Use the pictures of the blocks to practice using the words top,

middle and bottom. The blocks can be moved around. Also use

objects in the classroom to demonstrate top, middle and

bottom.

Left and Right

(Answer) / 242

Left and Right

Use the pictures of the hands to discuss how the left hand

makes a L when we put our thumbs out to the side. Then use the house and animals to

practice using the words left and right. Also use objects in the classroom to demonstrate left and right. Hang the words left

and right in the classroom.

Build a TowerPut the red square on top.

Put the blue square on the bottom.Put the green square in the middle.

The boy is between the girls.Can you find the boy?

(Erase to reveal.)

Between

Put the sun over the mountain.

Put the dog on the sidewalk.On

Put the bee inside the jar.Inside

Put the birds above the cloud.

Put the fish below the boat.

The bear is under the bed. Can you find the bear?

(Erase to reveal.)

Put the bread outside the cart.

Outside

26 Is the bear behind the chair?

(Answer) / 242

26 Is the bear behind the chair?

27 Carla packed her box to move. She put toys inside the box but left a toy outside the box. Which toy is outside the box?

(Answer) / 242

27 Carla packed her box to move. She put toys inside the box but left a toy outside the box. Which toy is outside the box?

28 Which animal is above the house?

(Answer) / 242

28 Which animal is above the house?

29 Which animal is in the middle?

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29 Which animal is in the middle?

The boy is on the left of the desk.

(Answer) / 242

The boy is on the left of the desk.

Faces and Corners

A 3-dimensional shape takes up space. Objects that you can hold are 3-dimensional (3-D).

3-D shapes have height, length, and width.

Click here for a song about 3-D shapes

3D Shapes

3-D shapes have faces.Faces are the flat sides of the shape.

3D Shapes

3-D shapes can also have curved surfaces.

Shapes with curved surfaces can roll.

3D Shapes

Look at the 3-D shapes on your desk. Put your finger on a flat face of one object.

Try to stand the shape on the flat face.

Now find a shape that can roll.Only shapes with a curved surface can roll.

3D Shapes

(Answer) / 242

Look at the 3-D shapes on your desk. Put your finger on a flat face of one object.

Try to stand the shape on the flat face.

Now find a shape that can roll.Only shapes with a curved surface can roll.

3D Shapes

otes Pass out 3-D shapes to each child or small

group.

What shape is each flat side?

3D Shapes

Match Name Shape Flat side

1. rectangular prism

2. cube

3. cylinder

4. cone

3-D shapes have corners.Corners are where the edges meet.We can also call a corner a vertex.

3D Shapes

Shape Corners Flat Faces Rolls Stacks

8 6 no yes

Complete the chart by observing your 3-D shapes3D Shapes

Circle the shapes that roll.

Circle the shapes that have flat sides.

Circle the shapes that have corners.

Circle the shapes that stack.

CylinderCube

Rectangular prism Cone

3D Shape Match

31 A face is _______.

A flat

B curved

C flat and curved

(Answer) / 242

31 A face is _______.

A flat

B curved

C flat and curved

32 This shape has:

A curved surfacesB flat faces

(Answer) / 242

32 This shape has:

A curved surfacesB flat faces

33 A corner is where the edges meet.

(Answer) / 242

33 A corner is where the edges meet.

34 Is the arrow pointing to a corner.

(Answer) / 242

34 Is the arrow pointing to a corner.

35 If you put a cube on its flat face it will roll.

(Answer) / 242

35 If you put a cube on its flat face it will roll.

Rectangular Prisms & Cubes

A cube has 6 square faces all equal in size.

What objects can you think of that are shaped like a cube?

Rectangular Prism

A rectangular prism has 6 rectangular flat faces.

What objects can you think of that are shaped like a rectangular prism.

Compare the cube and rectangular prismHow are they alike and different?

Cube vs. Rectangular Prism

Classroom Hunt

How many cubes or rectangular prisms can you find?

36 What 3-D shape is this object?A cubeB rectangular prism

(Answer) / 242

36 What 3-D shape is this object?A cubeB rectangular prism

37 A cube and a rectangular prism have 6 flat sides.

(Answer) / 242

37 A cube and a rectangular prism have 6 flat sides.

38 I am thinking of a 3-D shape that has 6 equal square sides. What shape am I thinking of?A rectangular prismB cube

(Answer) / 242

38 I am thinking of a 3-D shape that has 6 equal square sides. What shape am I thinking of?A rectangular prismB cube

39 What 3-D shape is this object?

A cube

B rectangular prism

(Answer) / 242

A cube

B rectangular prism

A cubeB rectangular prism

(Answer) / 242

A cubeB rectangular prism

Lab: Building Shapes

Use straws and twist ties or marshmallows to build cubes and rectangular prisms.

Cones, Cylinders, & Spheres

What objects can you think of that are shaped like a cone?

A cone is a 3D shape with a curved surface and a flat face.

A cone has a curved surface that comes to a point (vertex).

Cylinder

What objects can you think of that are shaped like a cylinder?

A cylinder is a solid shape with 1 curved surface and 2 flat faces.

Compare the cone and the cylinderHow are they alike and different?

Cone vs. Cylinder

Sphere

What objects can you think of that are shaped like a sphere?

A sphere is a perfectly round 3-D shape. It has no faces.

Classroom Hunt

How many cones can you find?

How many cylinders can you find?

How many spheres can you find?

Building Shapes

Using dough, create cones, cylinders and spheres.

41 Is a basketball a sphere?

(Answer) / 242

41 Is a basketball a sphere?

A coneB cylinderC sphere

(Answer) / 242

A coneB sphereC cylinder

(Answer) / 242

A coneB sphereC cylinder

44 A cylinder has a point at the top?

(Answer) / 242

44 A cylinder has a point at the top?

(Answer) / 242

Review of 3-D Shapes

What Shape Am I?

I have one curved surface.I have one flat face.

My one flat face is a circle.What am I?

(Answer) / 242

What Shape Am I?

I have one curved surface.I have one flat face.

My one flat face is a circle.What am I?

?[This object is a pull tab]

MP6 Attend to precision.

Encourage students to think about all attributes of the described shape before

guessing.

What Shape Am I?

I have 6 faces.All of my faces are square.

I have 8 corners.What am I?

CYLINDER

What Shape Am I?

I have 2 flat faces.My flat faces are circular.

I have one curved surface.What am I?

RectangularPrism

What Shape Am I?

I have 6 flat faces.Four of my faces are rectangular.

Two of my faces are square.I have 8 corners.

What am I?

46 Is this shape a cube?

(Answer) / 242

46 Is this shape a cube?

47 Which shape is a cone?

(Answer) / 242

47 Which shape is a cone?

48 How many flat faces does a cylinder have?

(Answer) / 242

48 How many flat faces does a cylinder have?

49 This object is a ______.A cubeB rectangular prismC cone

(Answer) / 242

49 This object is a ______.A cubeB rectangular prismC cone

50 These objects are ______.

A cubesB rectangular prismsC cones

(Answer) / 242

50 These objects are ______.

A cubesB rectangular prismsC cones

Introduction to Fractions

Whole Cookie Half of a Cookie

Class Vote

Whole Cookie

Half of a Cookie

(Answer) / 242

Whole Cookie

Half of a Cookie

otes Look at the pictures and

discuss the differences. Use the word fraction when

discussing the half of cookie. Such as "this is a fraction of the

whole cookie"

A whole object can be divided into equal parts.Each equal part is called a fraction.

Fractions

Circle the shapes that show equal parts.

Equal Parts

Cut each rectangle into equal parts. Use the dots to help you.Equal Parts

How many equal parts is each shape split into?Equal Parts

Equal Parts Gameclick for game

51 How many equal parts is the rectangle cut into?A 2B 4C 1

(Answer) / 242

51 How many equal parts is the rectangle cut into?A 2B 4C 1

52 The circle has two equal parts.

(Answer) / 242

52 The circle has two equal parts.

53 How many equal parts is the circle cut into?

(Answer) / 242

53 How many equal parts is the circle cut into?

54 Which rectangle has 2 equal parts?

(Answer) / 242

54 Which rectangle has 2 equal parts?

55 How many equal parts is this square cut into?

(Answer) / 242

55 How many equal parts is this square cut into?

Halves

When you divide something into two equal parts, you divide it in half.

Two halves equal one wholeIs there any other way to divide a rectangle in half?

=Halves

(Answer) / 242

Two halves equal one wholeIs there any other way to divide a rectangle in half?

=Halves

eMP2 Reason abstractly and

quantitatively.

Have students observe the rectangle on the left. Ask

them is there is another way to make 2 equal parts.

Allow them to share different ways they could

cut a rectangle in half.

Halves

(Answer) / 242

Halves

Rotate the halves around to show that a circle can be split

into half in many ways.

How many different ways can you cut these circles in half.

Halves

We can also cut a rectangle in half.Halves

Remember, when we divide an object in half, the two pieces must be equal.

Halves

(Answer) / 242

Remember, when we divide an object in half, the two pieces must be equal.

Halves

Move the two halves around to show students that they are equal and when put together

equal a whole.

Each part of the whole is called a fraction.We can use numbers to show fractions as well as words.

one half or of a circle12

The top number tells how many parts you are

talking about.

The bottom number tells how many parts in all.

One purple part

Two parts in all

Fractions

One blue part

Two parts in all

One green part

Two parts in all

Fractions

Class Discussion

Kyle is eating half of an apple. Seth is eating the other half of the apple. Seth is

upset because he says that Kyle has more than him. Can he be right?

(Answer) / 242

Class Discussion

Kyle is eating half of an apple. Seth is eating the other half of the apple. Seth is

upset because he says that Kyle has more than him. Can he be right?

MP 3 Construct viable arguments and critique the

reasoning of others.

Have students discuss in small groups their opinions. Then

call the class together to discuss the question.

56 Is this circle divided in half?

(Answer) / 242

56 Is this circle divided in half?

57 Is this rectangle divided into two equal parts?

(Answer) / 242

57 Is this rectangle divided into two equal parts?

58 Which circle is cut in ?12

(Answer) / 242

58 Which circle is cut in ?12

59 Which rectangle is cut in ?

(Answer) / 242

59 Which rectangle is cut in ?

60 How many parts are there in all when talking about ?1

(Answer) / 242

60 How many parts are there in all when talking about ?1

Fourths

When you divide something into four equal parts, you divide it in fourths or quarters.

Fourths

Four quarters equal one whole.Is there any other way to cut the

rectangle into fourths?

=Fourths

(Answer) / 242

Four quarters equal one whole.Is there any other way to cut the

rectangle into fourths?

=Fourths

MP 8 Look for and express regularity in repeated reasoning.

Ask students to share other ways to cut the rectangle into fourths.

Reinforce that you can cut a shape into fourth by cutting it in 4 EQUAL parts. It does not matter

the direction of the cut.

one fourth, one quarter or

of a circle14

The top number tells how many parts you are

talking about. One purple part

Four parts in all

We can write one fourth in words or numbers.

Fourths

The bottom number tells how many parts in all.

One blue part

Four parts in all

One red part

Four parts in all

One green part

Four parts in all

One yellow part

Four parts in all

Fourths

Cut each shape into fourths.Fourths

Color 1/4 of each circle.Fourths

Color and label 1/4 of each rectangle.Fourths

61 This circle is cut into fourths?

(Answer) / 242

61 This circle is cut into fourths?

62 of the circle is colored.

(Answer) / 242

62 of the circle is colored.

63 Is this rectangle divided into quarters?

(Answer) / 242

63 Is this rectangle divided into quarters?

64 Which rectangle is divided into fourths?

(Answer) / 242

64 Which rectangle is divided into fourths?

65 One fourth of the rectangle is blue.

(Answer) / 242

65 One fourth of the rectangle is blue.

Review of Fractions

When you divide something into 2 equal parts, you divide it in half.

When you divide something into 4 equal parts, you divide it into fourths or quarters.

Fourths

Fractions can be written with words or numbers.

One-Half or

One-Fourth, One-Quarter

Fourths

A circle can be divided into halves.

Fourths

A rectangle can be divided into halves.

Fourths

A circle can be divided into fourths or quarters.

Fourths

A rectangle can be divided into fourths or quarters.Fourths

66 Which shape is split into quarters?

(Answer) / 242

66 Which shape is split into quarters?

67 This circle is cut into fourths.

(Answer) / 242

67 This circle is cut into fourths.

68 How many equal parts are there if a cake is cut in half?

(Answer) / 242

68 How many equal parts are there if a cake is cut in half?

69 Which rectangle is cut in half?

(Answer) / 242

69 Which rectangle is cut in half?

70 When cutting a pie into fourths there are two equal pieces.

(Answer) / 242

70 When cutting a pie into fourths there are two equal pieces.

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