Mathematics Ratio & Proportion Conceptual 11–12 yrs

One Quantity as a Fraction

一个量作为分数

Description

Express one quantity as a fraction of another where the result may be less than 1 or greater than 1, and interpret the meaning in context

Mastery Evidence

✓ Express 45 minutes as a fraction of 2 hours (= 3/8)
✓ Express a larger quantity as a fraction of a smaller one and explain why the result exceeds 1
✓ Simplify the resulting fraction and interpret its meaning in the original context

Assessment Prompt

If there are 15 boys and 20 girls in a class, can your child express the number of boys as a fraction of the whole class and say whether that fraction is less than or greater than a half?