Show:
EAsy Addition
Medium Addition
Hard Addition
Very Hard addition
CHALLENGING addition
100

1+1

2

100

34+65

99

100

645+123

768

100

3243+4534

7777

100

35243+35233

70446

200

2+1

3

200

56+31

87

200

454+342

796

200

5254+3556

8810

200

76543+12132

88675

300

3+2

5

300

23+43

66

300

124+455

579

300

5653+3422

9075

300

45365+35643

81008

400

4+5

9

400

35+46

81

400

475+525

1000

400

6792+2321

9113

400

76686+23212

99892

500

6+5

11

500

76+65

141

500

786+675

1461

500

5768+7876

13544

500

57465+76688

128153