Show:
One Digit
Two Digit
Three Digit
Four Digit
Five Digit
100

5+7=

What is 12.

100

11+9=

What is 20.

100

121+199=

What is 320.

100

1768+2347=

What is 4115.

100

13455+10954=

What is 24409.

200

9+9=

What is 18.

200

13+11=

What is 24.

200

569+399=

What is 968.

200

1234+5678=

What is 6912.

200

13667+15945=

What is 29612.

300

6+7=

What is 11.

300

23+29=

What is 52.

300

789+123=

What is 912.

300

1011+1299=

What is 6912.

300

37421+18512=

What is 55933.

400

4+9=

What is 13.

400

57+39=

What is 96.

400

599+659=

What is 1258.

400

7654+3210=

What is 10864.

400

36985+54654=

What is 91639.

500

7+8=

What is 15.

500

32+99=

What is 131.

500

973+795=

What is 1768.

500

9999+9999=

What is 19998.

500

99999+99999

What is 199998.