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Speed Math: Mental Calculation Tricks Quiz

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Speed Math: Mental Calculation Tricks: a General level IQ Trivia quiz. Test your knowledge with 8 questions!

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Questions

Question 1

To multiply by 10, you simply:

A Divide by 2

B Multiply by 2

C Subtract a zero

D Add a zero

Question 2

What is 50 percent of 88?

A 48

B 40

C 42

D 44

Question 3

To multiply by 5, you can divide by 2 then multiply by:

A 2

B 10

C 20

D 5

Question 4

What is 9 times 8?

A 64

B 72

C 76

D 81

Question 5

Which is the fastest way to find 10 percent of 450?

A Multiply by 2

B Subtract 10

C Divide by 5

D Move the decimal

📋 This quiz has 8 questions in total.