Addition
Subtraction
Multiplication
Place Value
Digits
100

312 + 237

549

100

478 - 362

116

100

4 x 5

20

100

What place is the '4' in 945?

Tens

100

How many digits in the number: 45?

2

200

145 + 712

857

200

687 - 443

244

200

6 x 7

42

200

What place is the '5' in 945?

Ones

200

How many digits in the number: 3457?

4

300

445 + 447

892

300

756-549

207

300

8 x 7

56

300

What place is the '9' in 945?

Hundreds

300

How many digits in the number: 7?

1

400

358 + 769

1127

400

1056 - 637

419

400

11 x 6

66

400

What place is the '1' in 1945?

Thousands

400

How many digits in the number: 123593457?

9

500

1126 + 745

1871

500

1152 - 551

601

500

11 x 11

121

500

What place is the '2' in 21945?

Ten-thousands

500

How many digits in the number: 345?

3

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