1. Copy and complete the boxes below:
○ – 2 = – 3.
а) –5;
b) –1;
c) 5; d) 1.
2. Copy and complete the boxes below:
○ – –2 = – 7.
а) –9;
b) 5;
c) 9; d) –5.
3. Copy and complete the boxes below:
–8 – –7 = ○.
а) –15; b) 1;
c) 15; d) –1.
4. Copy and complete the boxes below:
6 – ○ =
–1.
а) –7; b) –5;
c) 7; d) 5.
5. Copy and complete the boxes below:
–3 – –2 = ○.
а) –1; b) 5;
c) 1; d) –5.
6. The temperature is 6⁰C. It falls by 10⁰C. What
is the new temperature?
а) 16⁰; b)
–4⁰;
c) –16⁰; d)
4⁰.
7. The temperature is 4⁰C. It falls by 5⁰C. What is the new temperature?
а) 9⁰; b)
1⁰;
c) –9⁰; d) –1⁰.
8. The temperature is 1⁰C. It falls by 6⁰C. What
is the new temperature?
а) 5⁰; b)
–7⁰;
c) –5⁰; d)
5⁰.
9. The temperature is –6⁰C. It
falls by 3⁰C. What is the new
temperature?
а) 3⁰; b) –9⁰;
c) –3⁰; d)
9⁰.
10. The
temperature is 0⁰C. It
falls by 7⁰C. What is the new
temperature?
а) –7⁰; b)
–70⁰;
c) 7⁰; d)
70⁰.
11. The
temperature is –2⁰C. It falls by 3⁰C. What
is the new temperature?
а) 5⁰; b) –1⁰;
c) –5⁰; d)
1⁰.
12. The
temperature in Toronto is –1⁰C. It falls by 6⁰C. What is the new temperature?
а) 5⁰; b) –7⁰;
c) –5⁰; d)
7⁰.
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