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Mental subtraction of 2-digit numbers (SET 2)

Descripción

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
Fichas por Bruce Akitt, actualizado hace más de 1 año
Bruce Akitt
Creado por Bruce Akitt hace más de 10 años
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Resumen del Recurso

Pregunta Respuesta
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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