Mathematics
Fractions
Procedural
9–10 yrs
Adding and subtracting mixed numbers
带分数的加减法
Description
Add and subtract mixed numbers with like denominators, including by converting to improper fractions or using properties of operations
Mastery Evidence
- Calculate 2 3/5 + 1 4/5 and express as a mixed number
- Subtract 3 1/4 from 5 3/4
- Solve 4 2/6 − 1 5/6 by regrouping the whole number
Assessment Prompt
If a recipe calls for 1 and 2/5 cups of oats and another batch needs 2 and 3/5 cups, can your child add them together to get the total — including converting when the fifths add up past a whole?
