Mathematics
Number Representation & Place Value
Procedural
10–11 yrs
Measuring temperature
温度的测量
Description
Use negative numbers in context (temperature, finance, sea level); calculate intervals across zero
Mastery Evidence
- The temperature falls from 3°C to −5°C — what is the drop? (8 degrees)
- Calculate the difference between a bank balance of −£120 and £350
- Order −7, −3, 0, 2, 5 on a number line and find the interval from −7 to 5
Assessment Prompt
If a bank account goes from −£45 to +£120, can your child work out the total change — counting through zero to get £165?