Page 16 - 新思维数学活动用书4 样章
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1.2 More on negative numbers
10 The temperature in Amsterdam is 2 °C.
The temperature in Helsinki is −7 °C.
How many degrees warmer is it in Amsterdam than in Helsinki?
11 Here is a fridge freezer.
The temperature in
the freezer is −15 °C.
The temperature in
the fridge is 4 °C.
What is the difference in temperature between the fridge and the
freezer?
12 Here is part of a number line.
Write the missing numbers in the boxes.
0 100
13 Mira counts on in threes starting at −13.
She says, ‘If I start at −13 and keep adding 3, I will reach 0.’
Is Mira correct?
Explain your answer.
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