Grade 5 Mental Math Practice
A worksheet to practice mental math strategies for addition, subtraction, multiplication, and division at a Grade 5 level.
Includes
Standards
Topics
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.
True
False
5. Mentally subtracting 25 from a number is the same as subtracting 50 and then adding 25.
True
False
6. What is 72 - 39?
7. Calculate 500 - 180.
8. What is 15 x 6?
70
80
90
100
9. How would you mentally calculate 24 x 5?
24 x 10 / 2
20 x 5 + 4
24 + 5 + 5 + 5 + 5
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?
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