Grade 7 Mental Math Practice
A worksheet to practice mental math skills for Grade 7 students, focusing on estimation, percentages, and basic operations.
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Standards
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Grade 7 Mental Math Practice
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Date:
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Read each question carefully and solve it using mental math. Try to avoid using a calculator or writing down your work for these exercises.
1. Estimate the product of 48 and 22. Round to the nearest ten first:
2. Approximately how much is 31% of 90?
3. If a shirt costs $29.99 and is 20% off, approximately how much would you save?
1. What is 150 divided by 5?
25
30
35
40
2. What is 75% of 80?
50
60
70
80
1. To multiply a number by 100, you add two zeros to the end of the number.
True
False
2. Half of 0.5 is 0.25.
True
False
1. Sarah bought 3 books at $7 each. How much did she spend in total?
2. A recipe calls for 2.5 cups of flour. If you want to double the recipe, how much flour do you need?
Match each item on the left with the correct answer on the right.
1. 25% of 100
a. 50
2. 1/2 of 100
b. 0.75
3. 3/4 as a decimal
c. 25