single-digit
multi-digit
word problem
multi-step problem
unknown variable
100

1+1=

2

100

20+20=

40

100

Sally had 12 apples, Suzzie had 8 apples, how many apples did they have together?

20 apples

100

10+10+4+

24

100

7+__=19

12

200

3+5=

8

200

12+43=

55

200

Bob had 23 cotton balls, Jim gives him 25 more cotton balls, how many cotton balls does Bob have now?

48

200

12+6+15=

33

200

21+__=34

13

300

4+8=

12

300

56+34=

90

300

Deb has 48 baskets of oranges for her stand at the market, Patti has 37 baskets of bananas at her stand, how many total baskets do Deb and Patti have together?

85

300

33+67+25=

125

300

28+__=67

39

400

6+7=

13

400

77+45=

122

400

Betty's string was 67 ft long, Beth's string was also 67 ft long, when they taped them together how long was the new string?

134

400

65+47+13=

95

400

74+__=157

83

500

9+8=

17

500

89+98+

187

500

Duke had 96 pieces of dog food for lunch and 75 pieces of dog food for dinner, how many total pieces of dog food did Duke have during the day?

171

500

87+56+79=

172

500

89+__=194

105