Basic Addition
Addition in the Ones
Addition in the Tens
SURPRISE
100

What is 27+21

48

100

What is 9+19

28

100

What is 32+67

99

100

34 + 51

85

200

What is 22+36

58

200

What is 14+78

92

200

What is 11+ 89

101

200

 25 + 6

31

300

What is 41+85

126

300

What is 29+67

96

300

What is 30+89

119

300

How many groups of ten does it take to make 100?

10

400

What is 189+21

210

400

What is 57+32

89

400

What is 405+23

428

400

 699 + 10

709

500

What is 21O+27

237

500

What is 290+30

320

500

What is 230+40

270

500

 785 + 72

857