Area Model
Partial Products
Addition
Subtraction
Place Value
100

Use an area model to solve:

32 x 4

128

100

Use partial products to solve:

25 x 7

175

100

94 + 87

181

100

98 - 45

53

100

What place value is the 7 in?

143,798

hundreds

200

Use an area model to solve:

324 x 6

1,944

200

Use partial products to solve:

197 x 4

788

200

421 + 337

758

200

567 - 206

361

200

How many times bigger is the 7 in the hundreds place than the 7 in the tens place?

1,773

10 times bigger

300

Use an area model to solve:

1,243 x 5

6,215

300

Use partial products to solve:

3,521 x 7

24,647

300

879 + 608

1,487

300

721 - 564

157

300

Show this number in expanded form:

598,042

500,000 + 90,000 + 8,000 + 40 + 2

400

Use an area model to solve:

45 x 23

1,035

400

Use partial products to solve:

44 x 50

2,200

400

1,945 + 476

2,421

400

3,436 - 2,793

643

400

Round to the nearest thousand:

3,451

3,000

500

Use an area model to solve:

89 x 76

6,764

500

Use partial products to solve:

74 x 96

7,104

500

10,328 + 9,887

20,215

500

8,001 - 3,783

4,218

500

Round to the nearest hundred:

423,789

423,800

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