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Grade 5 Mental Math Practice

A worksheet to practice mental math strategies for addition, subtraction, multiplication, and division at a Grade 5 level.

Grade 5 Math Number SenseMental Math
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Includes

2 Fill in the BlanksTrue / False2 Short AnswerMultiple Choice

Standards

CCSS.MATH.CONTENT.5.NBT.B.5CCSS.MATH.CONTENT.5.NBT.B.6

Topics

mental mathgrade 5additionsubtractionmultiplicationdivision
8 sections · Free to use · Printable
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Grade 5 Mental Math Practice

Name:

Date:

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Solve each problem using mental math strategies. Try to do these calculations in your head without writing anything down!

1. 35 + 48 =  

2. 123 + 77 =  

3. 250 + 175 =  

4. To mentally add 99 to a number, you can add 100 and then subtract 1.

T

True

F

False

5. Mentally subtracting 25 from a number is the same as subtracting 50 and then adding 25.

T

True

F

False

6. What is 72 - 39?

7. Calculate 500 - 180.

8. What is 15 x 6?

a

70

b

80

c

90

d

100

9. How would you mentally calculate 24 x 5?

a

24 x 10 / 2

b

20 x 5 + 4

c

24 + 5 + 5 + 5 + 5

d

24 x 2 + 3

10. 120 ÷ 4 =  

11. 240 ÷ 60 =  

12. 350 ÷ 5 =  

13. A baker made 6 dozen cookies. How many cookies did he make in total?

14. Sarah saved $1.75. She spent $0.80 on a snack. How much money does she have left?