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Mental subtraction of 2-digit numbers (SET 2)

Description

When dividing by a single digit number, finding the remainder often requires subtraction of two 2-digit numbers whose difference will be a number less than 10. This is best done by using addition with the remainder being the one digit number that you would add to the quotient to make the dividend. These flashcards practice this mental calculation, where the difference is between 5 and 8..
Bruce Akitt
Flashcards by Bruce Akitt, updated more than 1 year ago
Bruce Akitt
Created by Bruce Akitt about 11 years ago
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Resource summary

Question Answer
To do : 41 - 36 = ___ Think: 36 + ___ = 41 36 + _5_ = 41
To do : 35 - 30 = ___ Think: 30 + ___ = 35 30 + _5_ = 35
To do : 29 - 24 = ___ Think: 24 + ___ = 29 24 + _5_ = 29
To do : 33 - 18 = ___ Think: 18 + ___ = 33 18 + _5_ = 33
To do : 17 - 12 = ___ Think: 12 + ___ = 17 12 + _5_ = 17
To do : 53 - 49 = ___ Think: 49 + ___ = 53 49 + _5_ = 53
To do : 54 - 49 = ___ Think: 49 + ___ = 54 49 + _5_ = 54
To do : 47 - 42 = ___ Think: 42 + ___ = 47 42 + _5_ = 47
To do : 48 - 42 = ___ Think: 42 + ___ = 48 42 + _6_ = 48
To do : 40 - 35 = ___ Think: 35 + ___ = 40 35 + _5_ = 40
To do : 40 - 35 = ___ Think: 35 + ___ = 40 35 + _5_ = 40
To do : 41 - 35 = ___ Think: 35 + ___ = 41 35 + _6_ = 41
To do : 33 - 28 = ___ Think: 28 + ___ = 33 28 + _5_ = 33
To do : 34 - 28 = ___ Think: 28 + ___ = 34 28 + _6_ = 34
To do : 26 - 21 = ___ Think: 21 + ___ = 26 21 + _5_ = 26
To do : 27 - 21 = ___ Think: 21 + ___ = 27 21 + _6_ = 27
To do : 19 - 14 = ___ Think: 14 + ___ = 19 14 + _5_ = 19
To do : 20 - 14 = ___ Think: 14 + ___ = 20 14 + _6_ = 20
To do : 69 - 64 = ___ Think: 64 + ___ = 69 64 + _5_ = 69
To do : 70 - 64 = ___ Think: 64 + ___ = 70 64 + _6_ = 70
To do : 71 - 64 = ___ Think: 64 + ___ = 71 64 + _7_ = 71
To do : 61 - 56 = ___ Think: 56 + ___ = 61 56 + _5_ = 61
To do : 62 - 56 = ___ Think: 56 + ___ = 62 56 + +6_ = 62
To do : 63 - 56 = ___ Think: 56 + ___ = 63 56 + _7_ = 63
To do : 53 - 48 = ___ Think: 48 + ___ = 53 48 + _5_ = 53
To do : 54 - 48 = ___ Think: 48 + ___ = 54 48 + _6_ = 54
To do : 55 - 48 = ___ Think: 48 + ___ = 55 48 + _7_ = 55
To do : 45 - 40 = ___ Think: 40 + ___ = 45 40 + _5_ = 45
To do : 46 - 40 = ___ Think: 40 + ___ = 46 40 + _6_ = 46
To do : 47 - 40 = ___ Think: 40 + ___ = 47 40 + _7_ = 47
To do : 37 - 32 = ___ Think: 32 + ___ = 37 32 + _5_ = 37
To do : 38 - 32 = ___ Think: 32 + ___ = 38 32 + _6_ = 38
To do : 39 - 32 = ___ Think: 32 + ___ = 39 32 + _7_ = 39
To do : 29 - 24 = ___ Think: 24 + ___ = 29 24 + _5_ = 29
To do : 30 - 24 = ___ Think: 24 + ___ = 30 24 + _6_ = 30
To do : 30 - 24 = ___ Think: 24 + ___ = 30 24 + _6_ = 30
To do : 31 - 24 = ___ Think: 24 + ___ = 31 24 + _7_ = 31
To do : 21 - 16 = ___ Think: 16 + ___ = 21 16 + _5_ = 21
To do : 22 - 16 = ___ Think: 16 + ___ = 22 16 + _6_ = 22
To do : 23 - 16 = ___ Think: 16 + ___ = 23 16 + _7_ = 23
To do : 86 - 81 = ___ Think: 81 + ___ = 86 81 + 5 = 86
To do : 87 - 81 = ___ Think: 81 + ___ = 87 81 + _6_ = 87
To do : 88 - 81 = ___ Think: 81 + ___ = 88 81 + _7_ = 88
To do : 89 - 81 = ___ Think: 81 + ___ = 89 81 + 8 = 89
To do : 77 - 72 = ___ Think: 72 + ___ = 77 72 + _5_ = 77
To do : 78 - 72 = ___ Think: 72 + ___ = 78 72 + _6_ =78
To do : 79 - 72 = ___ Think: 72 + ___ = 79 72 + _7_ = 79
To do : 80 - 72 = ___ Think: 72 + ___ =80 72 + _8_ = 80
To do : 68 - 63 = ___ Think: 63 + ___ = 68 63 + _ 5_ = 68
To do : 69 - 63 = ___ Think: 63 + ___ = 69 63 + _6_ = 69
To do : 70 - 63 = ___ Think: 63 + ___ = 70 63 + _7_ = 70
To do : 71 - 63 = ___ Think: 63 + ___ = 71 63 + _8_ = 71
To do : 59 - 54 = ___ Think: 54 + ___ = 59 54 + _5_ = 59
To do : 60 - 54 = ___ Think: 54 + ___ = 60 54 + _6_ = 60
To do : 61 - 54 = ___ Think: 54 + ___ = 61 54 + _7_ = 61
To do : 62 - 54 = ___ Think: 54 + ___ = 62 54 + _8_ = 62
To do : 50 - 45 = ___ Think: 45 + ___ = 50 45 + _5_ = 50
To do : 51 - 45 = ___ Think: 45 + ___ = 51 45 + _6_ = 51
To do : 52 - 45 = ___ Think: 45 + ___ = 52 45 + _7_ = 52
To do : 53 - 45 = ___ Think: 45 + ___ = 53 45 + _8_ = 53
To do : 41 - 36 = ___ Think: 36 + ___ = 41 + _5_ = 41
To do : 42 - 36 = ___ Think: 36 + ___ = 42 36 + _6_ = 42
To do : 43 - 36 = ___ Think: 36 + ___ = 43 36 + _7_ = 43
To do : 44 - 36 = ___ Think: 36 + ___ = 44 36 + _8_ = 44
To do : 32 - 27 = ___ Think: 27 + ___ = 32 27 + _5_ = 32
To do : 33 - 27 = ___ Think: 27 + ___ = 33 27 + _6_ = 33
To do : 34 - 27 = ___ Think: 27 + ___ = 34 27 + _7_ = 34
To do : 35 - 27 = ___ Think: 27 + ___ = 35 27 + _8_ = 35
To do : 23 - 18 = ___ Think: 18 + ___ = 23 18 + _5_ = 23
To do : 24 - 18 = ___ Think: 18 + ___ = 24 18 + _6_ = 24
To do : 25 - 18 = ___ Think: 18 + ___ = 25 18 + _7_ = 25
To do : 26 - 18 = ___ Think: 18 + ___ = 26 18 + +8_ = 26
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