Mental Math 5-1 2018

Subtraction

100

250-150?

100!

200

236-125?

111!

300

485-243?

242!

400

1326-798?

528

500

8364-5173

3191

Addition (Hard)

100

2574 + 473

3047

200

6225 + 7628

13493

300

6529 +7168

13697

400

6262 + 6828

13090

500

26839 + 7162

34001

Subtraction (Hard Version)

100

4638-1467

Paper and pencil allowed

3171

200

5372-2463

2909

300

8788-4272

4516

400

9088-3735

5053

500

10293-7368

2925

Addition

100

150+192

342

200

635+257

892

300

926+782

1708

400

2617+1326

3943

500

6382+8372

14754

Bonus Questions

100

35 +7826

7861

200

8368 - 2782

5586

300

6483-2737

3746

400

9746 + 6485

16231

500

9782- 9783

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