Ten Practice Questions for Mental Arithmetic Tests

The temperature in Reykjavik is –7ºC. The temperature in Moscow is –2ºC. How much warmer is Moscow than Reykjavik?

A: 9ºC

B: –9ºC

C: 3ºC

D: 5ºC

E: –5ºC

Answer: D: 5ºC. See the number line shown. The gap between –7 and –2 is five spaces.

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