This short video and interactive assessment activity is designed to teach fourth graders about one step metric capacity with addition and subtraction - word problems.

Given a 2-digit addition or subtraction problem, video demonstrates how to decide which number line matches up with it. [1:56]

Khan Academy learning modules include a Community space where users can ask questions and seek help from community members. Educators should consult with their Technology administrators to determine the use of Khan Academy learning modules in their classroom. Please review materials from external sites before sharing with students.

This short video and interactive assessment activity is designed to teach fifth graders about addition in kilograms.

This short video and interactive assessment activity is designed to teach fourth graders about addition of capacities - word problems.

This short video and interactive assessment activity is designed to teach fifth graders about addition of compound unit capacities - word problems.

Use a visual model to add fractions with unlike denominators. This video focuses on using an equivalent fractions chart to compare fractions and find the correct sum.

Introducing a card game that your students can play in small groups to develop their addition skills. This video focuses on addition of positive and negative numbers and briefly touches on subtraction of integers.

This short video and interactive assessment activity is designed to teach third graders about addition of sequential capacities - word problems.

This animated Math Shorts video from the Utah Education Network explains the term additive inverse and provides several examples that demonstrate the concept. In the accompanying classroom activity, students create equations and solve problems that involve adding groups of negative and positive integers that sum to zero. To get the most out of this activity, students should be familiar with plotting positive and negative integers on a number line.

Ibiblio.org offers the address of the Japanese Prime Minister on the opening of the Imperial Diet in 1942.

This is the text of an address Austin made to the people of Louisville, Kentucky explaining the conflict between Texas and Mexico, and asking for support.

This course features a video review of addition up to the sum of ten for first graders.

This short video and interactive assessment activity is designed to teach second graders an overview of addition (sums to 10).

This short video and interactive assessment activity is designed to teach second graders an overview of addition.

This lesson discusses how to determine which relative pronoun to use when constructing an adjective clause. This tutorial lesson shares a short screencast [3:42] and review questions over the lesson's content.

Students practice writing with adjectives, adverbs, and prepositional phrases by combining three or four sentences. This is activity 1 of 2 in this series.

Students practice writing with adjectives, adverbs, and prepositional phrases by combining three or four sentences. This is activity 2 of 2 in this series.

Students practice writing sentences with both adjectives and adverbs by combining three sentences.

Students practice writing sentences with both adjectives and adverbs by combining three sentences.

Interactive lesson plan which allows for elementary students to learn the "Part of speech," concepts of adjectives as well as effective characterization techniques. Uses the story of Charlotte's Web.