Mathematics
Data & Statistics
Representational
8–9 yrs
Representing numbers with objects (age 8+)
用实物表示数字（8岁以上）
Description
Draw a scaled picture graph and a scaled bar graph to represent a data set; solve one- and two-step comparison, sum, and difference problems using bar charts, pictograms, and tables
Mastery Evidence
- Draw a bar graph where each square represents 5 pets
- From a scaled pictogram, answer: how many more children chose football than tennis?
- Solve a two-step problem: how many votes in total for the top two choices?
Assessment Prompt
If your child looked at a bar chart showing how many books different children read last month, could they work out the total, find the difference between the most and least, and draw their own chart with a scale like "each square = 2 books"?
