1. Work out
3 + –10.
а) 13; b) –7;
c) 7;
d) –13.
2. Work out
–3 + –8.
а) –11; b) 5;
c) –5;
d) 11.
3. Work out
–6 + –2.
а) 8; b) –4;
c) 4;
d) –8.
4. Work out
–9 + 5.
а) –4; b)
14;
c) –14;
d) 4.
5. Copy and complete the boxes below:
–6 + 4 = ○.
–6 + 4 = ○.
а) 10; b) –2;
c) 2;
d) –10.
6. Copy and complete the boxes below:
7 + –3 = ○.
7 + –3 = ○.
а) –4;
b) 10;
c) 4;
d) –10.
7.
Copy and complete the boxes below:
○ + –4 = –2.
а) –2;
b) 6;
c) –6;
d) 2.
8.
Copy and complete the boxes below:
–3 + ○
= –9.
а) 12;
b) –6;
c) –12;
d) 6.
9.
Copy and complete the boxes below:
–9 + –3 = ○.
–9 + –3 = ○.
а) –6;
b) 11;
c) –11;
d) 6.
10. Copy and complete the boxes below:
○ + –6 = –12.
а) –6;
b) 18;
c) –18;
d) 6.
11. Copy and complete the boxes below:
–6 + 1 = ○.
а) 5;
b) –7;
c) 7;
d) –5.
12. The temperature is –3⁰C. It
rises by 2⁰C. What is the new
temperature?
а) 1⁰; b)
–5⁰;
c) 1⁰; d) –1⁰.
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