Doubles
0-100
100-200
200-300
Over 400
100
5 + 5 = ___

10

100

10 + 8 = ___

18

100

100 + 7 = ____

107

100

220 + 5 = ____

225

100

400 + 200 = ___

600

200

8 + 8 = ___

16

200

20 + 6 = ____

26

200

120 + 8 = ___

128

200

260 + 8 = ___

268

200

500 + 120 = ___

620

300

12 + 12 = ____

24

300

60 + 2 = ___

62

300

150 + 20 = ___

170

300

255 + 30 = ___

285

300

650 + 100 =  ___

750

400

25 + 25 = ___

50

400
80 + 5 = ___

85

400

130 + 55 = ___

185

400

283 + 9 = ____

292

400

300 + 450 = ___

750

500

38 + 38 = __

76

500

93 + 4 = ___

97

500

173 + 16 =____

189

500

42 + 244 = ____

286

500

700 + 300 = ____

1,000