Subtracting Decimals 2

Directions: Using the digits 1-9, at most once each, fill in the boxes to make a true statement.

Hint

Where do you find it most manageable to begin placing digits?   Think about what digit will end up in the hundredths place of the difference based on the digit you use in the hundredths place of the subtrahend.

Answer

There are multiple solutions. Three solutions are 9.5-7.34=2.16; 8.7 – 3.29 = 5.41; 9.1-5.24=3.86

Source: Adina Rochkind

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Add Fractions with Decimal Sums

Directions: Using the digits 1 to 9 at most one time each, place a digit …

28 comments

  1. Sheldon Enrichment

    9.8-4.63=5.17

  2. 5.90 – 3.74 = 2.16

  3. 666 + 666 = you will be dead

  4. 9.80 – 5.67 = 4.13

  5. 9.0-2.50=6.50

  6. 8.9 – 7.56 = 1.34

  7. 9.4-6.83=2.57

  8. 7.8-3.29 = 4.51

  9. 9.92-4.81=5.11

  10. 9.8 – 5.63 + 4.17

  11. 8.7 – 5.29 = 3.41

  12. 9.8 – 5.67 = 4.13

  13. 9.1 – 5.24 = 3.86

  14. 5.9 – 4.27 = 1.63

  15. 8.7 – 3.21 = 5.49

  16. 8.7 – 3.21 = 5.49

  17. 8.9 – 7.56 = 1.34

  18. 9.8 – 5.67 = 4.13

  19. 5.9 – 1.23 = 4.67

  20. 9.7 – 6.12 = 3. 58

  21. 8.6 – 3.49 = 5.21

  22. 5.4 – 3.78 = 1.62

  23. 5.9 – 4.67 = 1.23

  24. 7.8 – 2.31 = 5.49

  25. 9.5 – 2.36 = 7.14

  26. 5.9 – 4.23 = 1.67

  27. Rudolf Österreicher

    208 solutions:
    4.5 – 1.63 = 2.87
    4.5 – 1.67 = 2.83
    4.5 – 1.83 = 2.67
    4.5 – 1.87 = 2.63
    4.5 – 2.63 = 1.87
    4.5 – 2.67 = 1.83
    4.5 – 2.83 = 1.67
    4.5 – 2.87 = 1.63
    5.4 – 1.62 = 3.78
    5.4 – 1.68 = 3.72
    5.4 – 1.72 = 3.68
    5.4 – 1.78 = 3.62
    5.4 – 3.62 = 1.78
    5.4 – 3.68 = 1.72
    5.4 – 3.72 = 1.68
    5.4 – 3.78 = 1.62
    5.9 – 1.23 = 4.67
    5.9 – 1.27 = 4.63
    5.9 – 1.63 = 4.27
    5.9 – 1.67 = 4.23
    5.9 – 2.14 = 3.76
    5.9 – 2.16 = 3.74
    5.9 – 2.74 = 3.16
    5.9 – 2.76 = 3.14
    5.9 – 3.14 = 2.76
    5.9 – 3.16 = 2.74
    5.9 – 3.74 = 2.16
    5.9 – 3.76 = 2.14
    5.9 – 4.23 = 1.67
    5.9 – 4.27 = 1.63
    5.9 – 4.63 = 1.27
    5.9 – 4.67 = 1.23
    6.3 – 1.52 = 4.78
    6.3 – 1.58 = 4.72
    6.3 – 1.72 = 4.58
    6.3 – 1.78 = 4.52
    6.3 – 4.52 = 1.78
    6.3 – 4.58 = 1.72
    6.3 – 4.72 = 1.58
    6.3 – 4.78 = 1.52
    6.4 – 2.51 = 3.89
    6.4 – 2.59 = 3.81
    6.4 – 2.81 = 3.59
    6.4 – 2.89 = 3.51
    6.4 – 3.51 = 2.89
    6.4 – 3.59 = 2.81
    6.4 – 3.81 = 2.59
    6.4 – 3.89 = 2.51
    7.2 – 1.34 = 5.86
    7.2 – 1.36 = 5.84
    7.2 – 1.84 = 5.36
    7.2 – 1.86 = 5.34
    7.2 – 5.34 = 1.86
    7.2 – 5.36 = 1.84
    7.2 – 5.84 = 1.36
    7.2 – 5.86 = 1.34
    7.5 – 2.61 = 4.89
    7.5 – 2.69 = 4.81
    7.5 – 2.81 = 4.69
    7.5 – 2.89 = 4.61
    7.5 – 4.61 = 2.89
    7.5 – 4.69 = 2.81
    7.5 – 4.81 = 2.69
    7.5 – 4.89 = 2.61
    7.8 – 2.31 = 5.49
    7.8 – 2.39 = 5.41
    7.8 – 2.41 = 5.39
    7.8 – 2.49 = 5.31
    7.8 – 3.21 = 4.59
    7.8 – 3.29 = 4.51
    7.8 – 3.51 = 4.29
    7.8 – 3.59 = 4.21
    7.8 – 4.21 = 3.59
    7.8 – 4.29 = 3.51
    7.8 – 4.51 = 3.29
    7.8 – 4.59 = 3.21
    7.8 – 5.31 = 2.49
    7.8 – 5.39 = 2.41
    7.8 – 5.41 = 2.39
    7.8 – 5.49 = 2.31
    7.9 – 1.32 = 6.58
    7.9 – 1.38 = 6.52
    7.9 – 1.52 = 6.38
    7.9 – 1.58 = 6.32
    7.9 – 6.32 = 1.58
    7.9 – 6.38 = 1.52
    7.9 – 6.52 = 1.38
    7.9 – 6.58 = 1.32
    8.1 – 2.34 = 5.76
    8.1 – 2.36 = 5.74
    8.1 – 2.43 = 5.67
    8.1 – 2.47 = 5.63
    8.1 – 2.63 = 5.47
    8.1 – 2.67 = 5.43
    8.1 – 2.74 = 5.36
    8.1 – 2.76 = 5.34
    8.1 – 5.34 = 2.76
    8.1 – 5.36 = 2.74
    8.1 – 5.43 = 2.67
    8.1 – 5.47 = 2.63
    8.1 – 5.63 = 2.47
    8.1 – 5.67 = 2.43
    8.1 – 5.74 = 2.36
    8.1 – 5.76 = 2.34
    8.2 – 3.51 = 4.69
    8.2 – 3.59 = 4.61
    8.2 – 3.61 = 4.59
    8.2 – 3.69 = 4.51
    8.2 – 4.51 = 3.69
    8.2 – 4.59 = 3.61
    8.2 – 4.61 = 3.59
    8.2 – 4.69 = 3.51
    8.4 – 2.61 = 5.79
    8.4 – 2.69 = 5.71
    8.4 – 2.71 = 5.69
    8.4 – 2.79 = 5.61
    8.4 – 5.61 = 2.79
    8.4 – 5.69 = 2.71
    8.4 – 5.71 = 2.69
    8.4 – 5.79 = 2.61
    8.7 – 3.21 = 5.49
    8.7 – 3.29 = 5.41
    8.7 – 3.41 = 5.29
    8.7 – 3.49 = 5.21
    8.7 – 5.21 = 3.49
    8.7 – 5.29 = 3.41
    8.7 – 5.41 = 3.29
    8.7 – 5.49 = 3.21
    8.9 – 1.34 = 7.56
    8.9 – 1.36 = 7.54
    8.9 – 1.54 = 7.36
    8.9 – 1.56 = 7.34
    8.9 – 3.14 = 5.76
    8.9 – 3.16 = 5.74
    8.9 – 3.74 = 5.16
    8.9 – 3.76 = 5.14
    8.9 – 5.14 = 3.76
    8.9 – 5.16 = 3.74
    8.9 – 5.74 = 3.16
    8.9 – 5.76 = 3.14
    8.9 – 7.34 = 1.56
    8.9 – 7.36 = 1.54
    8.9 – 7.54 = 1.36
    8.9 – 7.56 = 1.34
    9.1 – 3.24 = 5.86
    9.1 – 3.26 = 5.84
    9.1 – 3.42 = 5.68
    9.1 – 3.48 = 5.62
    9.1 – 3.62 = 5.48
    9.1 – 3.68 = 5.42
    9.1 – 3.84 = 5.26
    9.1 – 3.86 = 5.24
    9.1 – 5.24 = 3.86
    9.1 – 5.26 = 3.84
    9.1 – 5.42 = 3.68
    9.1 – 5.48 = 3.62
    9.1 – 5.62 = 3.48
    9.1 – 5.68 = 3.42
    9.1 – 5.84 = 3.26
    9.1 – 5.86 = 3.24
    9.2 – 1.34 = 7.86
    9.2 – 1.36 = 7.84
    9.2 – 1.84 = 7.36
    9.2 – 1.86 = 7.34
    9.2 – 7.34 = 1.86
    9.2 – 7.36 = 1.84
    9.2 – 7.84 = 1.36
    9.2 – 7.86 = 1.34
    9.4 – 2.53 = 6.87
    9.4 – 2.57 = 6.83
    9.4 – 2.83 = 6.57
    9.4 – 2.87 = 6.53
    9.4 – 3.62 = 5.78
    9.4 – 3.68 = 5.72
    9.4 – 3.72 = 5.68
    9.4 – 3.78 = 5.62
    9.4 – 5.62 = 3.78
    9.4 – 5.68 = 3.72
    9.4 – 5.72 = 3.68
    9.4 – 5.78 = 3.62
    9.4 – 6.53 = 2.87
    9.4 – 6.57 = 2.83
    9.4 – 6.83 = 2.57
    9.4 – 6.87 = 2.53
    9.5 – 2.14 = 7.36
    9.5 – 2.16 = 7.34
    9.5 – 2.34 = 7.16
    9.5 – 2.36 = 7.14
    9.5 – 7.14 = 2.36
    9.5 – 7.16 = 2.34
    9.5 – 7.34 = 2.16
    9.5 – 7.36 = 2.14
    9.7 – 3.12 = 6.58
    9.7 – 3.18 = 6.52
    9.7 – 3.52 = 6.18
    9.7 – 3.58 = 6.12
    9.7 – 6.12 = 3.58
    9.7 – 6.18 = 3.52
    9.7 – 6.52 = 3.18
    9.7 – 6.58 = 3.12
    9.8 – 4.13 = 5.67
    9.8 – 4.17 = 5.63
    9.8 – 4.63 = 5.17
    9.8 – 4.67 = 5.13
    9.8 – 5.13 = 4.67
    9.8 – 5.17 = 4.63
    9.8 – 5.63 = 4.17
    9.8 – 5.67 = 4.13

    Solution with lowest result: 5.9 – 4.67 = 1.23
    Solution with greatest result: 9.2 – 1.34 = 7.86

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