Missing Minuends (20-28) Using Subtrahend (1-9); Reinforced by Missing Sum Flashcards

1
Q

___ - 1 = 19

___ = 1 + 19

A

= 20

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2
Q

___ - 2 = 18

___ = 2 + 18

A

= 20

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3
Q

___ - 3 = 17

___ = 3 + 17

A

= 20

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4
Q

___ - 4 = 16

___ = 4 + 16

A

= 20

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5
Q

___ - 5 = 15

___ = 5 + 15

A

= 20

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6
Q

___ - 6 = 14

___ = 6 + 14

A

= 20

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7
Q

___ - 7 = 13

___ = 7 + 13

A

= 20

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8
Q

___ - 8 = 12

___ = 8 + 12

A

= 20

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9
Q

___ - 9 = 11

___ = 9 + 11

A

= 20

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10
Q

___ - 2 = 19

___ = 2 + 19

A

= 21

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11
Q

___ - 3 = 18

___ = 3 + 18

A

= 21

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12
Q

___ - 4 = 17

___ = 4 + 17

A

= 21

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13
Q

___ - 5 = 16

___ = 5 + 16

A

= 21

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14
Q

___ - 6 = 15

___ = 6 + 15

A

= 21

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15
Q

___ - 7 = 14

___ = 7 + 14

A

= 21

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16
Q

___ - 8 = 13

___ = 8 + 13

A

= 21

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17
Q

___ - 9 = 12

___ = 9 + 12

A

= 21

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18
Q

___ - 3 = 19

___ = 3 + 19

A

= 22

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19
Q

___ - 4 = 18

___ = 4 + 18

20
Q

___ - 5 = 17

___ = 5 + 17

21
Q

___ - 6 = 16

___ = 6 + 16

22
Q

___ - 7 = 15

___ = 7 + 15

23
Q

___ - 8 = 14

___ = 8 + 14

24
Q

___ - 9 = 13

___ = 9 + 13

25
___ - 4 = 19 ___ = 4 + 19
= 23
26
___ - 5 = 18 ___ = 5 + 18
= 23
27
___ - 6 = 17 ___ = 6 + 17
= 23
28
___ - 7 = 16 ___ = 7 + 16
= 23
29
___ - 8 = 15 ___ = 8 + 15
= 23
30
___ - 9 = 14 ___ = 9 + 14
= 23
31
___ - 5 = 19 ___ = 5 + 19
= 24
32
___ - 6 = 18 ___ = 6 + 18
= 24
33
___ - 7 = 17 ___ = 7 + 17
= 24
34
___ - 8 = 16 ___ = 8 +16
= 24
35
___ - 9 = 15 ___ = 9 + 15
= 24
36
___ - 6 = 19 ___ = 6 + 19
= 25
37
___ - 7 = 18 ___ = 7 + 18
= 25
38
___ - 8 = 17 ___ = 8 + 17
= 25
39
___ - 9 = 16 ___ = 9 + 16
= 25
40
___ - 7 = 19 ___ = 7 + 19
= 26
41
___ - 8 = 18 ___ = 8 + 18
= 26
42
___ - 9 = 17 ___ = 9 + 17
= 26
43
___ - 8 = 19 ___ = 8 + 19
= 27
44
___ - 9 = 18 ___ = 9 + 18
= 27
45
___ - 9 = 19 ___ = 9 + 19
= 28