Multiplication, multiples & factors

Multiplication

Name: ______________________________Date: ______________Score: ______ / 20

1.
Work out 6 × 4.
2.
The law that lets you group and multiply numbers in any order is the...?
1. Aadding law
2. Bsharing law
3. Cassociative law
3.
Magda works out 14 × 5. She uses 14 = 7 × 2, so 14 × 5 = 7 × 10 = ?
4.
Estimate 27 × 4 by rounding 27 to 30. What is 30 × 4?
1. A120
2. B108
3. C70
5.
Using the grid method for 27 × 4, what is 20 × 4?
6.
Breaking 27 into 20 and 7 to multiply is called...?
1. Apartitioning the number
2. Brounding the number
3. Cdoubling the number
7.
Work out 29 × 4.
8.
Grid method for 47 × 3: 40 × 3 = 120 and 7 × 3 = 21. What is 47 × 3?
9.
Find the product of 56 and 5.
10.
Work out 174 × 4.
11.
Work out 119 × 8.
12.
Fatima says, 'All multiples of 5 end in 5.' Is she correct?
True False
13.
Work out 79 × 8.
14.
A number machine multiplies the input by 5. If the input is 123, what comes out?
15.
Put these products in order, smallest first.
Write the order (smallest product to largest) in the boxes:
- ?47 × 5
- ?29 × 4
- ?74 × 6
16.
Work out 86 × 7.
17.
Work out 13 × 4.
18.
Work out 63 × 3.
19.
Work out 7 × 20.
20.
Work out 48 × 9.

Answer key

Multiplication, multiples & factors — Multiplication