1.1 Arithmetic with integers
MULTIPLYING INTEGERS
TASK 1
Calculate
Determine the answer to each of these multiplications. Negative numbers are sometimes included in
parentheses but can be written without them.
1
6×–1
2
–6 × 1
3
–6 × – 1
4
5 × –10
5
–3 × 2
6
–4 × (–7)
7
–8 × 2 × –1
8
–5 × (–3) × (–2)
9
–1 × –2 × –3 × –4
10 300 × – 70
TASK 2
11 –200 × –500
12 10 × 20 × –30
Complete the equations
Enter the missing value to make each equation true.
1
8×
= –24
2
4
5×
= –2 × 15
5
TASK 3
× –1 = –18
–3 ×
= –24 – 3
× –10 = 70
3
6
–2 ×
× 6 = –40 + 4
Target number
Write at least eight multiplication sentences with an answer of –12.
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Unit 1 Integers, powers and roots