Fluently Adding and Subtracting Numbers Between 20 and 100

21 + 24 = _____________

• 35

• 45

• 65

32 + 44 = _____________

• 57

• 71

• 76

55 + 13 = _____________

• 68

• 69

• 70

45 - 21 = _____________

• 16

• 24

• 31

92 - 71 = _____________

• 21

• 24

• 31

85 - 43 = _____________

• 42

• 52

• 75

66 - 13 = _____________

• 34

• 45

• 53

33 + 37 =

• 70

• 69

• 60

37 - 14 = 

• 24
• 23
• 32
• 33

Baker Sam has 78 eggs. He used 50 eggs to make some cakes. How many eggs does he have left ?

• 58

• 48

• 28

• 18