Math HomeworkNo Homework

Individuals: Clear your desk!

Wednesday, April 1st

Math HomeworkStudy for Test!

Individuals: Homework out ready to check

Wednesday, April 1st

Homework Check

Unit Review

Target/Objective: I can find the perimeter and area of rectangles,

parallelograms, and triangles.

Math Vocabulary Review

Perimeter: the distance around a shape.– To find the perimeter of a shape, add the lengths.

Area: the measure of a surface inside a shape.

– Area is commonly measured in square units.– The area of a surface is the number of unit

squares and fractions of unit squares needed to cover the surface without overlaps and/or gaps.

– Different ways of writing square units:• Square inch = in²• Square meter = m²• Square centimeter = cm²

Finding the Area for a Rectangle:If the length of the base and the width of a rectangle

are known, the area can be found by multiplying.

Formula: • Area of a rectangle = length x width

• A = l x w

Finding the Area for a Parallelogram:Height is the distance perpendicular to the base of

a figure. Any side of the parallelogram can be the base. The choice of the base determines

the height.

Finding the Area for a Triangle:The area of a triangle is half of the

base times the height.

Formulas: • Area of a ∆ = ½ x Base x Height• Area of a ∆ = (Base x Height) ÷ 2

Find the perimeter of each shape!Add the lengths

a. c.

b.

Find the area of each rectangle! Formula: (l x w)

a. c.

b.

16 cm

9 cm

23 in

7 in

Find the area of each parallelogram! Formula: (b x h)

a. c.

b.

Find the area of each triangle!Formula: (b x h) ÷ 2

a.

c.

b.

Journal Work

Complete ALL journal pages in Unit 8!! Show your work.

Early Finishers: Show Ms. Smith that your journal work is completed; then you may read a book.

Time: End of ClassVoice Level: 0

Wrap Up!

• Did we achieve our target/objective?– I can find the perimeter and area of rectangles,

parallelograms, and triangles.

• Individuals: Get ready to move classes!