Adding and subtracting fractions with unlike denominators

Two fraction cards flip up. Hit SNAP if both cards show the same fraction value in different representations. Builds fast recognition of equivalent fractions in addition contexts.

Build target fractions using interactive numerator and denominator controls. Explores fractions with varied denominators to develop fluency needed for adding fractions with different denominators.

Multiple choice fraction addition questions. Covers same and different denominators across four difficulty levels.

Multiple choice fraction subtraction questions. Same and different denominators, with simplifying at higher levels.

Build mixed numbers by adjusting whole number and fraction parts using interactive controls. Constructs the place-value understanding needed for mixed number addition.

A student added fractions wrong. Can you find and fix the error? Common mistakes like adding denominators are exposed.

Partition shapes into equal parts to build and identify fractions visually. Develops understanding of how fractions relate to equal parts of a whole.

Place mixed numbers and improper fractions on a 0-3 number line using click-hold-drag. Connects improper fractions to mixed numbers.