Subtraction -1-digit from 2-digit number

Ben counted 26 strawberries in the garden. 5 of them were ripe. How many were not ripe?

• 21

• 66

• 41

35 - 6

• 29

• 25

47 - 7

• 7

• 40

Bobie had 79 blocks. He let his brother play with 8 blocks. How many blocks does Bobie have now?

• 30

• 71

• 35

• 20

75 - 4 =

• 99

• 71

• 41

• 62

53 - 5 =

• 48

• 42

• 128

• 37

22 - 9 =

• 13

• 57

• 42

• 81

20 - 7 =

• 34

• 13

• 36

• 37

20 - 9 =

• 12

• 5

• 11

• 9

31 - 4

• 27

• 16