Mathematics
Fractions
Procedural
7–8 yrs
Simple Fraction Sums
简单分数加法
Description
Add and subtract fractions with the same denominator within one whole (e.g. 5/7 + 1/7 = 6/7)
Mastery Evidence
- Calculate 2/5 + 2/5 = 4/5
- Calculate 6/8 − 3/8 = 3/8
- Explain that when denominators are the same, you add/subtract the numerators
Assessment Prompt
If a recipe calls for 2/8 of a cup of milk and then another 3/8 of a cup, can your child work out the total without a calculator?