UP:MA19.5.10
Vocabulary
- Fraction
- Denominator
- Numerator
- Visual Model
- Sum
- Difference
- Equivalence
- Unlike denominators
- Unlike units
Knowledge
Students know:
- Strategies to determine if two given fractions are equivalent.
- How to use a visual model to illustrate fraction equivalency.
- Contextual situations for addition and subtraction.
Skills
Students are able to:
- Use fraction equivalence to add and subtract fractions and mixed numbers with unlike denominators.
Understanding
Students understand that:
Addition and subtraction of fractions and mixed numbers with unlike units,
Addition and subtraction of fractions and mixed numbers with unlike units,
- Require strategies to find equivalent fractions in a common unit, and the sum or difference will be expressed in the common unit.
- Can be assessed for reasonableness of answers using estimation strategies.
