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4.NF.3 – Understand a fraction a/b with a > 1 as a sum of fractions 1/b.
4.NF.3.d – Solve word problems involving addition and subtraction of fractions referring to the same whole and having like denominators, e.g., by using visual fraction models and equations to represent the problem.
Samples: Add Subtract Related Fractions USA. Adding and subtracting fractions. Adding and Subtracting Related Fractions.
Fractions and decimals
ACMNA103 – Investigate strategies to solve problems involving addition and subtraction of fractions with the same denominator
Samples: Adding and subtracting fractions. Adding fractions - visual cues. Add Subtract Related Fractions USA.
6.NA.1 – Apply additive and simple multiplicative strategies flexibly to:
6.NA.1.b – Find fractions of sets, shapes, and quantities
Samples: Dividing by 6. Dividing by 6. Dividing by 7. Dividing by 7. Dividing by 8. Dividing by 8. Dividing by 9. Division 9's.