MENTAL MATH

PRACTICE TOOL

Knock down five calculations as fast as possible but stay within the Ceiling Margin of Error!
If you overshoot the mark even once, you're out!!

Calculation Type

Ceiling Margin of Error

Operation Your Answer Correct Result Margin of Error Time Elapsed

1

2

3

4

5

Instructions

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Set up your type of calculations and ceiling margin of error on the top of the screen

Begin by pressing the Start/Retry button, then in put your answers in the empty forms

Press ENTER to submit and move to next question, until you complete or fail

Use the Start/Retry button to practice again

AVERAGE

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