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Mixed 5th grade review · 3 problems
From the 15Q20M Grade 5 workbook (Days 77–79) · Pencil, no calculator
Name:
- 1.
A builder has 6 ropes, each 4.5 meters long. How many meters of rope is that in all?
Answer:
- 2.
Sam ran 3/4 mile on Monday and 2/3 mile on Tuesday. How many miles in total? Write your answer as a mixed number.
A1 1/2
B1 5/12
C1 1/3
D1 1/4
- 3.
A rectangular prism has a volume of 180 cubic centimeters. Its length is 9 cm and its width is 4 cm. What is its height in centimeters?
Answer:
Answer key (for parents)
Answer key: Mixed 5th grade review
- 1.
27
Multiply as if there were no decimal point: 45 × 6 = 270. 4.5 has one decimal place, so the answer does too: 27.0, which is 27 meters.
- 2.
B (1 5/12)
9/12 + 8/12 = 17/12 = 1 5/12. Add fractions only after rewriting them with the same denominator.
- 3.
5
180 ÷ 36 = 5, so the height is 5 cm. To find a missing dimension, divide the volume by the product of the other two.
Equivalent answers count as correct: 2/4 for 1/2, 0.5 for 1/2, and so on.
For parents
Answer key: Mixed 5th grade review
- 1.
27
Multiply as if there were no decimal point: 45 × 6 = 270. 4.5 has one decimal place, so the answer does too: 27.0, which is 27 meters.
- 2.
B (1 5/12)
9/12 + 8/12 = 17/12 = 1 5/12. Add fractions only after rewriting them with the same denominator.
- 3.
5
180 ÷ 36 = 5, so the height is 5 cm. To find a missing dimension, divide the volume by the product of the other two.
Equivalent answers count as correct: 2/4 for 1/2, 0.5 for 1/2, and so on.