Equivalent Fractions by Scaling
Generate equivalent fractions by multiplying numerator and denominator by a common factor, then count or pin them down under digit, range, or difference constraints.
grade 4–6 FractionsNumber system algebraicsystematic
Progression (4)
g4 1. Scaling numerator and denominator keeps value Fractions
g4 2. Apply conditions step by step, then count Fractions
g6 3. Rewrite both ends over one denominator Number system
g6 4. Match numerators to bound the denominator FractionsNumber system
Bridges to competition (3)
Reasoning problems that extend this idea toward competition:
Building fractions from number cards Counting
Finding equivalent fractions Pattern & rule
Equivalent fractions from a diagram Pattern & rule