Third Grade. Time 1 hour= 60 minutes ½ hour= 30 minutes ¼ hour= 15 minutes

Measurement GCRCT ReviewThird Grade

Time1 hour= 60 minutes½ hour= 30 minutes¼ hour= 15 minutes

Keys to Solving Elapsed TimeYou can skip count. (To the nearest quarter

hour)You can draw a timeline.You can subtract

SolveWhich of the following is equivalent to 150

minutes?A. 1 ½ hours B. 2 ¼ hours C. 2 ½ hours D. 2 5/6 hours

   ADD UP THE MINUTES IN ONE HOUR, THEN THE MINUTES IN 2 HOURS. WHICH OF THESE IS LOGICAL?

SolveIf it takes Mari 20 minutes to walk from home to

school, what is the latest time she can leave to get to school by 8:10 A.M.?A. 7:00 A.M. B. 7:10 A.M. C. 7:50 A.M. D. 8:00 A.M.

HINT: START AT 8:10 AND COUNT BACKWARDS 20 MINUTES.

SolveIf it is 5:00 PM, what time will it be in 3 hours

and 30 minutes?A. 8:00B. 7:45C. 8:30D. 9:30

HINT: START AT 5 AND COUNT 3 HOURS FROM Then. Then add 30 minutes.

SolveJack got to his uncle’s house 2 hours and 30

minutes ago. It is now 6:45 PM. What time did he arrive at his uncle’s house?

A. 3:45 PMB. 4:00 PMC. 4:15 PMD. 4:30 PM

Measuring LengthCustomary units: inch, feet, yards and miles

12 inches in a foot3 feet in a yard1,750 yards in a mile

Metric units: centimeter, meter, kilometer100 centimeters in a meter1,000 meters in a kilometer

Solve

If the paper clip is 2 inches long, about how long is the pencil?

A. 3 inches B. 4 inches C. 6 inches D. 8 inches

Solve Place these in order of shortest to longest.

one mileone foottwo yardsthree inches

A. one mile, one foot, two yards, three inches B. one foot, two yards, three inches, one mile C. three inches, one foot, two yards, one mile D. two yards, three inches, one mile, one foot

  Note: Shortest to longest!!! Find the answer with the smallest

one first

SolveAbout how long is your foot?A. eight miles

B. eight yards C. eight feet D. eight inches

SolveThe ruler shown represents inches.

What of these is the closest measurement of the toy bus?

A. 2 inches

B. 2 ¼ inches

C. 2 ½ inches

D. 2 ¾ inches

Which of the following could have a measure of 8 kilometers?

A. the length of your armB. the length of a carC. the distance from your classroom to the

principal’s officeD. the distance from one city to another

SolveWhich is the best estimate for the height of

an elephant?A. 3 metersB. 9 kilometersC. 13 centimetersD. 46 millimeters

Perimeter and AreaPerimeter is the distance around the outside

edge (the fence in your yard)

Area is the number of square units needed to cover a surface (the floor space or your actual yard)

SolveDerrius has 24 feet of fencing to use for a

rectangular dog pen. Which dimensions would give him the most room (area) for his dog?A. 1 foot by 11 feet B. 3 feet by 9 feet C. 4 feet by 8 feet D. 6 feet by 6 feet

   Hint: They are asking you to multiply each of the answers to see which one has the most area.

Solve

A. 5 square centimeters B. 10 square centimeters C. 20 square centimeters D. 25 square centimeters

What is the area of the large square?

SolveThe length of a fence around the outside of a

park is the same as the park'sA. area. B. diameter. C. perimeter. D. volume.

SolveMr. Simmons put a wire fence all the way

around his rectangular garden. The garden is 9 feet long and 5 feet wide. How many feet of fencing did he use?A. 14 feet B. 23 feet C. 28 feet D. 45 feet

 Hint: Draw a picture. Then, measure the perimeter.

SolveWhat is the best unit of measurement to use

to describe area covered by carpeting?A. inches B. meters C. square feet D. cubic yards

Hint: Area is always measured in squares!!!

SolveJeanette is drawing a model of her kitchen.

Her kitchen is rectangular. Which units should Jeanette use to draw her model?

A. square miles B. square yards C. square inches D. square feet

Hint: A model is small!!!

SolveWhat is the perimeter of the figure?A. 26 units

B. 24 units C. 22 units D. 20 units