Show:
adding to 5,000
Subtracting up to 20,000
Adding up to 50,000
Subtracting up to 12,000
challenge
Adding and subtraction up to 1 million
100

1,303+1,703

3006

100

1,000-102

898

100

20,001+30,500

50,501

100

10,000-5,000

5,000

100

2,364+4,633 

6,997
200

1,655+149

1,804

200

1,543-642

901

200

10,333+1,777

12,110

200

11,896-9,987

1,909

200

5545+4567

10,112

300

1,556+1,246

2,802

300

2,999-1,743

1,254

300

11,574+11,564

23,138

300

9,485-5,586

3,899

300

5229+6638+5595

17,462

400

2,999+1,022

4,021

400

15,743-8,326

7,4217

400

9,788+2,422

12,210

400

10,687-7,798

2,889


400

11,572-10,795

777

500

777+779

1,556

500

7,463-4,574

2,889

500

9,999+9,999

19,998

500

125,643-122,865

2,778

500

4838+4844+435

10,117