Multiplication and division

Multiplication

Name: ______________________________Date: ______________Score: ______ / 20

1.
400 × 9 = ?
2.
60 × 8 = ?
3.
300 × 7 = ?
4.
56 × 27 = ?
5.
31 × 76 = ?
6.
A storeroom has 12 rows of boxes with 96 boxes in each row. How many boxes altogether?
7.
A hummingbird beats its wings about 75 times each second. About how many times in one minute (60 seconds)?
8.
37 × 25 = ?
9.
Sofia estimates that 299 × 60 is about 180000. Is this a good estimate?
1. ANo — it should be about 18000 (300 × 60)
2. BYes, about 180000
3. CNo — it should be about 1800
4. DYes, exactly 180000
10.
Why is it useful to estimate before you multiply?
1. ATo check your answer is about the right size
2. BTo get the exact answer without calculating
3. CIt is never useful
4. DTo make the question harder
11.
300 × 7 = 2100.
True False
12.
A good estimate for 299 × 60 is about 18000.
True False
13.
200 × 7 = ?
14.
800 × 9 = ?
15.
400 × 5 = ?
16.
70 × 4 = ?
17.
20 × 9 = ?
18.
700 × 7 = ?
19.
60 × 4 = ?
20.
40 × 9 = ?

Answer key

Multiplication and division — Multiplication