In this movie, you’ll learn how to add and subtract tens and solve sentences that use two-digit numbers. You can skip-count by tens or use a number line or hundred chart. You can hide zeroes to help you add or subtract, or use doubles facts to help you find the sum or difference. Use what you know about adding and subtracting tens to add or subtract 9 or 11. What is 40- 11? Watch the movie to learn different strategies to solve.

## 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 »

In this multi-day lesson plan for grade K through 3, students use a BrainPOP Jr. movie, graphic organizer, and flip chart to deepen their understanding of basic addition and mathematical thinking skills. This lesson plan is aligned to Common Core State Standards.  See more »

## Adding and Subtracting Tens Background Information for Teachers and Parents

This page contains information to support educators and families in teaching K-3 students about adding and subtracting tens. The information is designed to complement the BrainPOP Jr. movie Adding and Subtracting Tens. 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 »

## Adding and Subtracting Tens Activities for Kids

In this set of activities adaptable for grades K-3, parents and educators will find ideas for teaching about adding and subtracting tens. These activities are designed to complement the BrainPOP Jr. Adding and Subtracting Tens topic page, which includes a movie, quizzes, online games, printable activities, and more. See more »