# Lesson Ideas

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Repeated Subtraction

Repeated Subtraction

When you divide, you take a larger group and split it into smaller groups. In this math movie, Annie and Moby solve division number sentences by subtracting the same number over and over again. Learn how to skip-count or use a number line to help you divide. You'll also explore other strategies for solving division sentences, such as using related multiplication facts and creating fact triangles.

## Real World Measurement Lesson Ideas: Carpenter’s Cut Game

In this lesson plan which is adaptable for grades 2-7, students will explore authentic contexts for measurement skills. Students will use a free online math game to take on the role of a carpenter who needs to cut planks of wood. Younger students will practice equal grouping in early levels of the game, while older students practice measurement, factoring, division, and algebra as they cut slabs of wood in the advanced game levels. Students then work collaboratively to create math word problems that include real world measurement scenarios.

**This lesson plan is aligned to Common Core State Standards.**See more »## Math Facts and Number Sense Lesson Plan: The Jelly Bean Game

In this lesson plan which is adaptable for grades K-4, students will use jelly beans in an online game and real jellybeans as math manipulatives to practice number sense concepts, such as counting, more and less, estimation, algebraic thinking and missing addend equations, and addition and subtraction math facts.

**This lesson plan is aligned to Common Core State Standards.**See more »## Number Jumble Math Game Lesson Plan: Multiples

In this lesson plan which is adaptable for grades 2-5, students will use BrainPOP Jr. and BrainPOP resources (including an online math game) to practice multiplying whole numbers and/or decimals. Students will identify patterns within a multiplication table and create their own multiplication tables with unique patterns.

**This lesson plan is aligned to Common Core State Standards.**See more »## Repeated Subtraction Background Information for Teachers and Parents

This page contains information to support educators and families in teaching K-3 students about repeated subtraction. The information is designed to complement the BrainPOP Jr. movie Repeated Subtraction. It explains the type of content covered in the movie, provides ideas for how teachers and parents can develop related understandings, and suggests how other BrainPOP Jr. resources can be used to scaffold and extend student learning. See more »

## Repeated Subtraction Activities for Kids

In this set of activities adaptable for grades K-3, parents and educators will find ideas for teaching about repeated subtraction as a strategy for division. These activities are designed to complement the BrainPOP Jr. Repeated Subtraction topic page, which includes a movie, quizzes, online games, printable activities, and more. See more »