Solve problems involving addition and subtraction of fractions, including those with unrelated denominators (ACMNA153)
LO: To add or subtract fractions with unrelated denominators.
Know:
- how to add/subtract numbers
Understand:
- that the addition of fractions makes the fractions larger
- that the subtraction of fractions makes the fractions smaller
- that when adding/subtracting fractions, you have to keep the denominator the same. If they are different you have to make them the same prior to proceeding.
Do:
- I can add and subtract fractions with different/unrelated denominators
Visual Representations
Notes
Adding/Subtracting Fractions with Unrelated Denominators
When adding fractions with the different/unrelated denominators, you have to make the denominators the same before proceeding.
When subtracting fractions with the different/unrelated denominators, you have to make the denominators the same before proceeding.
Butterfly Method
Teaching Ideas
