Take this quiz to see how well you're able to calculate using only that mind of yours. Careful, put that paper and pencil away - no cheating!

START THE QUIZ!## Question 1/10

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What's the square root of 16 plus the root of 144?

16

14

12

## Question 2/10

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If Train A is going West at 60 miles per hour, and Train B is going East at 30 miles per hour, and they collide after 2 hours, how far apart were the trains to begin with?

160

140

180

## Question 3/10

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Which number comes next in this sequence: 5, 0, -5, ?

0

-10

5

## Question 4/10

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If you add two baker's dozens together, what do you get?

14

24

26

## Question 5/10

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Solve this problem: 1 + 6 * 2 + 1

14

15

21

## Question 6/10

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If John is five inches taller than seven feet, how many inches tall is he?

78

89

87

## Question 7/10

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Jane has five more dolls than Sue. Sue has three less dolls than three dozen. How many dolls does Jane have?

38

26

36

## Question 8/10

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Solve this problem: [(4+5)/(2+1)]*5-1

10

14

12

## Question 9/10

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Which number comes next in this pattern? 1, 1, 2, 3, 5, 8, 13

15

17

21

## Question 10/10

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Solve this problem: 1 + 2 * 4 + 5 / 5

13

10

3.4

Oops! Don't worry - as long as you're not in school anymore, you're allowed to bust out your phone calculator anytime.

## Mediocre At Mental Math

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Great job! You may not have gotten a perfect score, but you're pretty darn good at mental math!

## Mental Math Know-It-All

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Amazing! You are an expert at mental math. You probably aced all your math classes with ease in elementary school.

## Mental Math Whiz

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