Missing Minuend (30-38) Using Subtrahend (11-19); Reinforced by Missing Sum Flashcards
___ - 11 = 19
___ = 11 - 19
= 30
___ - 12 = 18
___ = 12 + 18
= 30
___ - 13 = 17
___ = 13 + 17
= 30
___ - 14 = 16
___ = 14 + 16
= 30
___ - 15 = 15
___ = 15 + 15
= 30
___ - 16 = 14
___ = 16 + 14
= 30
___ - 17 = 13
___ = 17 + 13
= 30
___ - 18 = 12
___ = 18 + 12
= 30
___ - 19 = 11
___ = 19 + 11
= 30
___ - 12 = 19
___ = 12 + 19
= 31
___ - 13 = 18
___ = 13 + 18
= 31
___ - 14 = 17
___ = 14 + 17
= 31
___ - 15 = 16
___ = 15 + 16
= 31
___ - 16 = 15
___ = 16 + 15
= 31
___ - 17 = 14
___ = 17 + 14
= 31
___ - 18 = 13
___ = 18 + 13
= 31
___ - 19 = 12
___ = 19 + 12
= 31
___ - 13 = 19
___ = 13 + 19
= 32
___ - 14 + 18
___ = 14 + 18
= 32
___ - 15 = 17
___ = 15+ 17
= 32
___ - 16 = 16
___ = 16 + 16
= 32
___ - 17 = 15
___ = 17 + 15
= 32
___ - 18 = 14
___ = 18 + 14
= 32
___ - 19 = 13
___ = 19 + 13
= 32
___ - 14 = 19
___ = 14 + 19
= 33
___ - 15 = 18
___ = 15 + 18
= 33
___ - 16 = 17
___ = 16 + 17
= 33
___ - 17 = 16
___ = 17 + 16
= 33
___ - 18 = 15
___ = 18 + 15
= 33
___ - 19 = 14
___ = 19 + 14
= 33
___ - 15 = 19
___ = 15 + 19
= 34
___ - 16 = 18
___ = 16 + 18
= 34
___ - 17 = 17
___ = 17 + 17
= 34
___ - 18 = 16
___ = 18 + 16
= 34
___ - 19 = 15
___ = 19 + 15
= 34
___ - 16 = 19
___ = 16 + 19
= 35
___ - 17 = 18
___ = 17’+ 18
= 35
___ - 18 = 17
___ = 18 + 17
= 35
___ - 19 + 16
___ = 19 + 16
= 35
___ - 17 = 19
___ = 17 + 19
= 36
___ - 18 = 18
___ = 18 + 18
= 36
___ - 19 + 17
___ = 19 + 17
= 36
___ - 18 = 19
___ = 18 + 19
= 37
___ - 19 = 18
___ = 19 + 18
= 37
___ - 19 = 19
___ = 19 + 19
= 38
