In this interactive, use logic to solve riddles involving a jumping frog contest. Add two consecutive jumps by one frog and place the jumps on the number line, finding equivalent fractions with common denominators to do so. Numbers are...

Add and subtract proper and improper fractions with this calculator and see the work involved in the solution.

One goal of this task is to help students develop comfort and ease with adding fractions with unlike denominators. Another goal is to help them develop fraction number sense by having students decompose fractions. Aligns with 5.NF.A.1.

Teachers, this is the place to come for fraction lesson plans if you teach elementary young scholars. All the topics have a number of resources available from which to choose.

The purpose of this instructional task is to motivate a discussion about adding fractions and the meaning of the common denominator. The different parts of the task have students moving back and forth between the abstract representation...

Estimate sums and differences for positive proper fractions, n/d (numerator/denominator). Use rounding to estimate answers when adding or subtracting proper fractions.

Worksheets provide practice with solving adding and subtracting fractions with answer keys are provided. You can even create your own worksheet or flash cards.

Features steps on how to add and subtract fractions with the same denominator.

Gain an understanding of how to add or subtract polynomials by viewing an example and a video lesson.

A wealth of resources to help you in planning classroom instruction on rational expressions: lesson plans offer guidelines for and examples of simplifying, adding and subtracting, multiplying and dividing rational expressions; practice...

Rock out to a musical demonstration of math involved in constructing rhythms from groups of beats in this video from KQED. In the accompanying classroom activity, students consider how the note durations comprising a measure in 3/4 time...