Show:
Additon 10s
Addition 100s
Addition 1,000s
Addition within 100s with Regrouping
Addition within 1,000s with Regrouping
100

21+19

40

100

100+100

200

100

923+236

1,159

100

182+93

75

100

1,269+756

2,025

200

39+23

62

200

231+310

541

200

842+427

1,269

200

347+129

476

200

652+478

1,130

300

51+37

88

300

437+232

669

300

943+720

1,663

300

645+235

880

300

578+782

1,360

400

83+17

100

400

734+343

1,077

400

1,023+624

1,647

400

318+528=

846

400

856+324

1,180

500

74+32

106

500

543+521

1,064

500

1,382+1,514

2,896

500

754+236

990

500

845+947

1,792