Missing Minuend (10-18) Using Subtrahend (1-9); Reinforced by Missing Sum Flashcards
___ - 1 = 9
___ = 1 + 9
= 10
___ - 2 = 8
___ = 2 + 8
= 10
___ - 3 = 7
___ = 3 + 7
= 10
___ - 4 = 6
___ = 4 + 6
= 10
___ - 5 = 5
___ = 5 + 5
= 10
___ - 6 = 4
___ = 6 + 4
= 10
___ - 7 = 3
___ = 7 + 3
= 10
___ - 8 = 2
___ = 8 + 2
= 10
___ - 9 = 1
___ = 9 + 1
= 10
___ - 2 = 9
___ = 2 + 9
= 11
___ - 3 = 8
___ = 3 + 8
= 11
___ - 4 = 7
___ = 4 + 7
= 11
___ - 5 = 6
___ = 5 + 6
= 11
___ - 6 = 5
___ = 6 + 5
= 11
___ - 7 = 4
___ = 7 + 4
= 11
___ - 8 = 3
___ = 8 + 3
= 11
___ - 9 = 2
___ = 9 + 2
= 11
___ - 3 = 9
___ = 3 + 9
= 12
___ - 4 = 8
___ = 4 + 8
= 12
___ - 5 = 7
___ = 5 + 7
= 12
___ - 6 = 6
___ = 6 + 6
= 12
___ - 7 = 5
___ = 7 + 5
= 12
___ - 8 = 4
___ = 8 + 4
= 12
___ - 9 = 3
___ = 9 + 3
= 12
___ - 4 = 9
___ = 4 + 9
= 13
___ - 5 = 8
___ = 5 + 8
= 13
___ - 6 = 7
___ = 6 + 7
= 13
___ - 7 = 6
___ = 7 + 6
= 13
___ - 8 = 5
___ = 8 + 5
= 13
___ - 9 = 4
___ = 9 + 4
= 13
___ - 5 = 9
___ = 5 + 9
= 14
___ - 6 = 8
___ = 6 + 8
= 14
___ - 7 = 7
___ = 7 + 7
= 14
___ - 8 = 6
___ = 8 + 6
= 14
___ - 9 = 5
___ = 9 + 5
= 14
___ - 6 = 9
___ = 6 + 9
= 15
___ - 7 = 8
___ = 7 + 8
= 15
___ - 8 = 7
___ = 8 + 7
= 15
___ - 9 = 6
___ = 9 + 6
= 15
___ - 7 = 9
___ = 7 + 9
= 16
___ - 8 = 8
___ = 8 + 8
= 16
___ - 9 = 7
___ = 9 + 7
= 16
___ - 8 = 9
___ = 8 + 9
= 17
___ - 9 = 8
___ = 9 + 8
= 17
___ - 9 = 9
___ = 9 + 9
= 18