Fluently Adding and Subtracting Numbers Between 20 and 100

At one house the Grinch stole 27 presents. At the next house he stole 44 presents. How many does he have all together?

• 71

• 78

• 65

• 68

Find the Sum:

35 + 37 + 6

• 85

• 78

• 96

• 88

Jason has 38 books. Tom has 41 books. How many books do they have together ?

• 79 books

• 3 books

• 69 books

• 5 books

80+6

• A. 86

• B. 68

• C. 87

• D. 88

John has 65 erasers and 29 pencils. How many pencils and erasers does John have?

• 94

• 36

• 814

Solve the word problem: Sarah had 56 marbles and she found 23 more. How many marbles does she have now?

• 15

• 79

• 34

• 112

Sara has 34 dolls. She buys 13 more. How many dolls does she have in all?

• 47

• 38

• 37

• 49

85+50+12=____

• 147

• 157

• 148

• 158

You rode your bike for 40 minutes on Monday, 25 minutes on Tuesday and 30 minutes on Wednesday.  How many minutes did you ride your bike altogether? 

• 95

• 115

• 90

• 125

100 - 75

• 20

• 21

• 50

• 25