10 More/Less
100 More/Less
Mixed Practice
1,000 More/Less
Challenge
100

What is 25 + 10?

35

100

What is 145 - 100?

45

100

What is 250 + 300?

550

100

What is 2,000 - 1,000?

1,000

100

What is 6,507 - 3,000?

3,507

200

What is 142 + 10?

152

200

What is 160 - 100?

60

200

What is 470 - 400?

70

200

What is 2,576 - 1,000?

1,576

200

What is 4,800 - 3,000?

1,800

300

What is 538 - 10?

528

300

What is 946 - 100?

846

300

What is 1,350 + 500?

1,850

300

What is 3,800 - 1,000?

2,800

300

What is 7,953 + 3,000?

10,953

400

What is 1,204 + 10?  

1214

400

What is 1,550 - 100?

1,450

400

What is 2,943 - 600?

2,343

400

What is 4,289 - 1,000?

3,289

400

What is 6,593 - 4,000?

2,593

500

What is 802-10?

792

500

What is 3,000 - 100?

2,900

500

What is 4,982 + 100?

5,082

500

What is 5,714 - 1,000?

4,714

500

What is 14,028 - 5,000?

9,028