Page 15 - 新思维数学活动用书4 样章
P. 15
1 Numbers and the number system
Practice
5 Here is part of a number line.
Write the missing numbers in the boxes.
−10 0 10
6 The thermometer shows a temperature of −8 °C.
−10 0 10 20 30 40 °C
Draw arrows on the thermometer to point to these temperatures.
−4 °C 14 °C −1 °C
7 Write the missing numbers in these sequences.
a −12, −8, , 0, 4, 8,
b −15, , −5, 0, 5, ,
8 The temperature outside when Soraya arrived at school was −1 °C.
By lunchtime the temperature had risen by 8 °C.
What was the temperature at lunch time?
Challenge
9 Put these numbers in order on the number line.
−1 1 −2 −3 −5
0
14
