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Negative Numbers

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Question 15
92%

The table shows the temperature in four laboratory storage units.

UnitTemperature
Freezer A4∘C4^{\circ}\text{C}4∘C
Freezer B−5∘C-5^{\circ}\text{C}−5∘C
Freezer C−15∘C-15^{\circ}\text{C}−15∘C
Freezer D−20∘C-20^{\circ}\text{C}−20∘C
a.

Write down the name of the unit with the lowest temperature.

[1]
b.

Work out the difference between the temperature in Freezer B and the temperature in Freezer A.

[1]
c.

A technician adjusted the controls so the temperature in Freezer B increased by 8∘C8^{\circ}\text{C}8∘C. Work out the new temperature in Freezer B.

[1]

Negative Numbers Questions

  1. GCSE
  2. /Maths
  3. /Negative Numbers

Practise OCR GCSE Maths Negative Numbers with exam-style questions for Foundation and Higher tier. 144 questions, matched to the OCR GCSE Maths (J560) specification and written in the written papers style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.

Question bank