Multiplication

4

Theme 2: Resources We Care For

Write true or false .

1. 675 × 1 = 1 × 675 = 675

2. 3,248 × 9 = (300 + 20 + 40 + 8) × 6

3. 0 × 1,000 = 0 = 1,000 × 0

4. 9,020 × 50 = 45,100

5. 700 × 3 + 4 × 3 = 704 × 3

Fill in the blanks.

1. 431 × 7 = (400 + + 1) × 7

= (400 × ) + (30 × ) + ( × )

= ( + + ) = 3,017

2. 569 × 4 = ( + 60 + ) ×

= (500 × ) + ( × ) + ( × )

= ( + + )

=

3. 8,705 × 9 = (8000 + + 0 + ) ×

= ( × ) + ( × ) + (0 × 9) +

( × )

= ( + + + ) = 78,345

Click and choose the correct answer.

1. Find the product of 7 × 3,000.

a. 2,100 b. 73,000 c. 10,000 d. 21,000

2. Find the value of 6,312 × 2.

a. 14,628 b. 12,624 c. 15,624 d. 17,524

3. Estimate the product of 101 × 855 by rounding off to the nearest hundreds.

a. 90,000 b. 86,400 c. 80,800 d. 9,000

4. The answer to a multiplication problem is called .

a. multiplier b. multiplicand c. product d. multiple

5. Which of the following is not equal to 1800?

a. 2 × 900 b. 200 × 90 c. 20 × 90 d. 200 × 9