Operations with Fractions

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Objective

I can solve problems involving all four operations with fractions.

Part 1 of 4

Warm-up video

Khan Academy · 9:50Vetted channel

We don't generate video — this one is by Khan Academy on YouTube. The practice questions and exit ticket below were drafted by AI for this objective, and every question is editable in the teacher guide.

Part 2 of 4

Key concepts

3 concepts

  1. 1

    When adding or subtracting fractions with the same denominator, you add or subtract the numerators and keep the denominator the same.

  2. 2

    To add or subtract fractions with different denominators, first find a common denominator, which is often the least common multiple of the original denominators.

  3. 3

    After finding a common denominator, convert each fraction into an equivalent fraction with the new denominator, then add or subtract the numerators and keep the common denominator.

Part 3 of 4

Practice

12 questions

1

What is the sum of 3/8 and 2/8? Simplify your answer.

2

Calculate 7/10 minus 3/10. Simplify your answer.

Part 4 of 4

Exit ticket

Quick comprehension check

Calculate the value of ⅔ + ⅚ - ¼. Show all steps, including finding a common denominator.

Sample answer included in the free materials

Get the materials

Teacher guide, student handout, and slides — free, in Google Docs format

  • Teacher Guide

    Complete lesson plan with answer keys and alternate activities

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