Multiply and Divide Within A Hundred 1

Directions: Using the digits 2 to 9 at most one time each, place a digit in each box to make two correct equations: one where the value is greater than 30 and one less than 30. You may reuse all the digits each equation.

Hint

What digits would be better worse to divide by? What are the greatest values you can make on the division side?

Answer

There are many possible answers including 3 x 6 = 72 ÷ 4 (which equals 18 on both sides) as well as 7 x 6 = 84 ÷ 2 (which equals 42 on both sides).

Source: Robert Kaplinsky

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36 comments

  1. 2×8 = 48/3= 16

  2. 5×5 = 50/2 = 25

  3. Abigail Selim
    2 x 7=28/2=14

  4. 8 x 9=144/2=72

  5. 4×2 = 16/2 = 8

  6. 5×5=50/2=25

  7. 9×4=72/2=36

  8. 9×5=90/2=45

  9. 4×4 = 32/2 = 16

  10. 9×9 = 162/2 = 81

  11. 8×7 = 112/2 = 56

  12. 9×2 = 162/9 = 18

  13. 6×7= 126/3= 42

  14. 12×8= 192/2= 96

  15. 10 x 4 = 40 / 5 =8

  16. 8×3=48/2=24

  17. 74×2=296/2=148

  18. 8×8=128/2=64

  19. 9×8=216/3=72

  20. 7×7=98/2=49

  21. 5×1=100/20=5

  22. Kimberly Kamborian

    You may reuse all the digits each equation? Is the multiplication and division expressions considered two different equations?

    So can we do 2 x 3 = 42/7

  23. Mrs. Beatch's Grade 5s

    3 x 4 = 72 / 6

    answer is 12

  24. Mrs. Beatch's Grade 5s

    6 x 4 = 72 / 3

    answer is 24

  25. Ava & Mrs. Hook

    1×6=54/9

    They both equal 6.
    =)

  26. One would be 3 x 9 = 54 / 2 = 27, and another could be 7 x 6 = 84 / 2 =42

  27. I do that to that bey that was good.I love you jk it was a dire.

  28. I assume we mean two equal expressions that create one equation… : )

    • Ah, I just realized that we are looking for two separate equations… perhaps it would be useful to say”one “one where each expression is greater than 30 and one where each expression is less than 30”.

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