ITS TIME FOR MENTAL MATH SUBTRACTION PRACTICE LESSON

IT’S TIME FOR… MENTAL MATH! SUBTRACTION PRACTICE ! LESSON #2: INTERMEDIATE LEVEL EXERCISES JACOB M. LIGHTBODY © 2016

DIRECTIONS: TRY TO SOLVE THE FOLLOWING PROBLEMS USING MENTAL MATH. CLICK ON YOUR ANSWER CHOICES ONCE YOU’VE MADE UP YOUR MIND.

1. ) USE MENTAL MATH TO FIND THE ANSWER. _- 35 ____ 17 A. ) 16 B. ) 17 C. ) 18 D. ) 19

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2. ) USE MENTAL MATH TO FIND THE ANSWER. _- 41 ____ 26 A. ) 15 B. ) 16 C. ) 17 D. ) 18

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3. ) USE MENTAL MATH TO FIND THE ANSWER. _- 28 ____ 16 A. ) 9 B. ) 12 C. ) 15 D. ) 17

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4. ) USE MENTAL MATH TO FIND THE ANSWER. _- 51 ____ 22 A. ) 31 B. ) 29 C. ) 32 D. ) 28

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5. ) USE MENTAL MATH TO FIND THE ANSWER. _- 5 5 ____ 17 A. ) 42 B. ) 38 C. ) 37 D. ) 35

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6. ) USE MENTAL MATH TO FIND THE ANSWER. _- 43 ____ 25 A. ) 26 B. ) 25 C. ) 21 D. ) 18

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7. ) USE MENTAL MATH TO FIND THE ANSWER. _- 5 5 ____ 38 A. ) 19 B. ) 17 C. ) 15 D. ) 14

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8. ) USE MENTAL MATH TO FIND THE ANSWER. _- 37 ____ 23 A. ) 23 B. ) 9 C. ) 14 D. ) 18

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9. ) USE MENTAL MATH TO FIND THE ANSWER. _- 82 ____ 24 A. ) 58 B. ) 62 C. ) 49 D. ) 54

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10. ) USE MENTAL MATH TO FIND THE ANSWER. _- 75 ____ 68 A. ) 9 B. ) 13 C. ) 11 D. ) 7

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TO BE CONTINUED…