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100

25 +27 = ?

52

100

143 +10 _____

153

100

1 ten and 12 ones

22

100
7 + 3 = ?

10

100
65 + 25 ______
What is 90 ?
200

116 +24 = ?

140 

200

923 + 6 = ?

929

200

2 tens 30 ones = ?

50

200

10 + 3 = ?

What is 13 ?

200
18 +18 _____
What is 36 ?
300

255 + 345 = ?

600

300

495 +202 ______

697

300

3 tens 43 ones

73

300

8 + 8 =?

What is 16 ?

300

323 + 348 = ?

671

400

173 + 145 = ?

318

400

115 + 312 = ?

427

400

10 tens 27 ones

127

400

8 + 4 = ?

What is 12 ?

400

424 + 483 = ?

907

500

559 +172 = ?

731

500

291 + 13 = ?

304

500

18 tens 17 ones

197

500

8 + 9 = 10 + ?

7

500

269 + 352 = ?

621