1. Measurement GCRCT Review
Third Grade

2. Time
1 hour= 60 minutes
½ hour= 30 minutes
¼ hour= 15 minutes

3. Keys to Solving Elapsed Time
You can skip count. (To the nearest quarter hour)
You can draw a timeline.
You can subtract

4. Solve
Which 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?

5. Solve
If 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.
   

6. Solve
If it is 5:00 PM, what time will it be in 3 hours and 30 minutes?
A. 8:00
B. 7:45
C. 8:30
D. 9:30
HINT: START AT 5 AND COUNT 3 HOURS FROM Then. Then add 30 minutes.

7. Solve
Jack 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 PM
B. 4:00 PM
C. 4:15 PM
D. 4:30 PM

8. Measuring Length Customary units: inch, feet, yards and miles
12 inches in a foot
3 feet in a yard
1,750 yards in a mile
Metric units: centimeter, meter, kilometer
100 centimeters in a meter
1,000 meters in a kilometer

9. 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
   

10. Solve Place these in order of shortest to longest.
one mile one foot two yards three 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

11. Solve About how long is your foot?
A. eight miles B. eight yards C. eight feet D. eight inches
   

12. Solve
The 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   

13. Which of the following could have a measure of 8 kilometers?
A. the length of your arm
B. the length of a car
C. the distance from your classroom to the principal’s office
D. the distance from one city to another

14. Solve Which is the best estimate for the height of an elephant?
A. 3 meters
B. 9 kilometers
C. 13 centimeters
D. 46 millimeters

15. Perimeter and Area
Perimeter 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)

16. Solve
Derrius 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.

17. Solve What is the area of the large square?
A. 5 square centimeters B. 10 square centimeters C. 20 square centimeters D. 25 square centimeters

18. Solve
The length of a fence around the outside of a park is the same as the park's A. area. B. diameter. C. perimeter. D. volume.

19. Solve
Mr. 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.

20. Solve
What 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!!!

21. Solve
Jeanette 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!!!

22. Solve What is the perimeter of the figure?
A. 26 units B. 24 units C. 22 units D. 20 units