Topic 3: Whole Number Multiplication

Mental Math

100

Solve:

12 x 10 ⁼

120

200

Solve:

100 x 815 =

81,500

300

Solve:

10² x 39 =

3,900

400

Solve:

6,471 x 10¹ =

64,710

500

Solve:

500,000 = 50 x 10 ^_

4

Single-Digit Multiplication

100

Solve:

306 x 7 =

2,142

200

Solve:

133 x 3 =

399

300

Solve:

893 x 7 =

6,251

400

Solve:

1,278 x 4 =

5,112

500

Solve:

6,789 x 7 =

47,523

Two-by-Two Multiplication

100

Solve:

21 x 13 =

273

200

Solve:

34 x 52 =

1,768

300

Solve:

89 x 27 =

2,403

400

Solve:

78 x 47 =

3,666

500

Solve:

67 x 89 =

5,963

Three-by-Two Multiplication

100

Solve:

302 x 47 =

14,194

200

Solve:

871 x 32 =

27,872

300

Solve:

682 x 25 =

117,050

400

Solve:

802 x 94 =

75,388

500

Solve:

1,032 x 13 =

13,416

Mystery

100

Write the number in standard form:

(4 x 100) + (3 x 1) + ( 2 x 1/10) + (4 x 1/1,000)

403.204

200

Round the number to the tenths place:

3.999

4

300

Solve:

98 + 32.079 =

130.079

400

Solve:

56 - 28.97 =

27.03

500

Solve:

Daniel has 102 stamps. Manuel has twice as many stamps as Daniel. Kendra has twice as many stamps as Manuel. How many stamps do they have in all?

714 stamps