Math Foundations · MF.RN.2

Add and subtract fractions and mixed numbers with appropriate common denominators.

Add and subtract fractions and mixed numbers with appropriate common denominators.

Branded illustration for Add and subtract fractions and mixed numbers with appropriate common denominators.
Concept Rational Numbers
Domain Fractions
Problem Types

Problem Templates In This Objective

12 problem types are attached to this objective. The full web app handles practice, answers, hints, and walkthroughs.

Template 1

Add or subtract with a shared denominator

4 variants
Template 2

Use a common denominator first

4 variants
Template 3

Add mixed numbers

4 variants
Template 4

Subtract fractions or mixed numbers with regrouping

4 variants
Template 5

Add contextual fractional quantities

4 variants
Template 6

Subtract contextual fractional amounts

4 variants
Template 7

Work with mixed numbers in context

4 variants
Template 8

Check mixed-number regrouping

4 variants
Template 9

Translate a fraction model into an operation

4 variants
Template 10

Translate verbal fraction situations into equations

4 variants
Template 11

Match fraction operations by their final value

4 variants
Template 12

Choose the right fraction-operation strategy

4 variants