Mathematics
Addition & Subtraction
Representational
7–8 yrs
Numbers on a number line
数轴上的数
Description
Represent whole numbers as lengths on a number line and represent sums and differences within 100 on a number line diagram
Mastery Evidence
- Place whole numbers on a number line with equally spaced points
- Show an addition as a jump forward on the number line (e.g. 38 + 27 shown as jumps)
- Show a subtraction as a jump backward on the number line
Assessment Prompt
Can your child mark numbers on a number line and show what happens when they add or subtract — for example, jumping forward 35 places from 48?
