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

Question 1

___ - 1 = 19

___ = 1 + 19

Answer 1

= 20

Question 2

___ - 2 = 18

___ = 2 + 18

Answer 2

= 20

Question 3

___ - 3 = 17

___ = 3 + 17

Answer 3

= 20

Question 4

___ - 4 = 16

___ = 4 + 16

Answer 4

= 20

Question 5

___ - 5 = 15

___ = 5 + 15

Answer 5

= 20

Question 6

___ - 6 = 14

___ = 6 + 14

Answer 6

= 20

Question 7

___ - 7 = 13

___ = 7 + 13

Answer 7

= 20

Question 8

___ - 8 = 12

___ = 8 + 12

Answer 8

= 20

Question 9

___ - 9 = 11

___ = 9 + 11

Answer 9

= 20

Question 10

___ - 2 = 19

___ = 2 + 19

Answer 10

= 21

Question 11

___ - 3 = 18

___ = 3 + 18

Answer 11

= 21

Question 12

___ - 4 = 17

___ = 4 + 17

Answer 12

= 21

Question 13

___ - 5 = 16

___ = 5 + 16

Answer 13

= 21

Question 14

___ - 6 = 15

___ = 6 + 15

Answer 14

= 21

Question 15

___ - 7 = 14

___ = 7 + 14

Answer 15

= 21

Question 16

___ - 8 = 13

___ = 8 + 13

Answer 16

= 21

Question 17

___ - 9 = 12

___ = 9 + 12

Answer 17

= 21

Question 18

___ - 3 = 19

___ = 3 + 19

Answer 18

= 22

Question 19

___ - 4 = 18

___ = 4 + 18

Answer 19

= 22

Question 20

___ - 5 = 17

___ = 5 + 17

Answer 20

= 22

Question 21

___ - 6 = 16

___ = 6 + 16

Answer 21

= 22

Question 22

___ - 7 = 15

___ = 7 + 15

Answer 22

= 22

Question 23

___ - 8 = 14

___ = 8 + 14

Answer 23

= 22

Question 24

___ - 9 = 13

___ = 9 + 13

Answer 24

= 22

Question 25

___ - 4 = 19 ___ = 4 + 19

Answer 25

= 23

Question 26

___ - 5 = 18 ___ = 5 + 18

Answer 26

= 23

Question 27

___ - 6 = 17 ___ = 6 + 17

Answer 27

= 23

Question 28

___ - 7 = 16 ___ = 7 + 16

Answer 28

= 23

Question 29

___ - 8 = 15 ___ = 8 + 15

Answer 29

= 23

Question 30

___ - 9 = 14 ___ = 9 + 14

Answer 30

= 23

Question 31

___ - 5 = 19 ___ = 5 + 19

Answer 31

= 24

Question 32

___ - 6 = 18 ___ = 6 + 18

Answer 32

= 24

Question 33

___ - 7 = 17 ___ = 7 + 17

Answer 33

= 24

Question 34

___ - 8 = 16 ___ = 8 +16

Answer 34

= 24

Question 35

___ - 9 = 15 ___ = 9 + 15

Answer 35

= 24

Question 36

___ - 6 = 19 ___ = 6 + 19

Answer 36

= 25

Question 37

___ - 7 = 18 ___ = 7 + 18

Answer 37

= 25

Question 38

___ - 8 = 17 ___ = 8 + 17

Answer 38

= 25

Question 39

___ - 9 = 16 ___ = 9 + 16

Answer 39

= 25

Question 40

___ - 7 = 19 ___ = 7 + 19

Answer 40

= 26

Question 41

___ - 8 = 18 ___ = 8 + 18

Answer 41

= 26

Question 42

___ - 9 = 17 ___ = 9 + 17

Answer 42

= 26

Question 43

___ - 8 = 19 ___ = 8 + 19

Answer 43

= 27

Question 44

___ - 9 = 18 ___ = 9 + 18

Answer 44

= 27

Question 45

___ - 9 = 19 ___ = 9 + 19

Answer 45

= 28