# Doubles

What is the sum of 12 + 12? In this movie, you’ll learn that a doubles fact is a number sentence where two of the same numbers are added together. A doubles fact has the same addend. Find out how memorizing your doubles can help you add and subtract much faster. Discover how to solve math problems in more than one way, and how you can use addition or subtraction to find the sum. You’ll also learn how you can use number triangles to help you solve problems and how to solve doubles-plus-one and doubles-minus one facts.

In this lesson plan which is adaptable for grades 1-5, students use BrainPOP resources (including a free online interactive game) to practice combining numbers to create target amounts. Students will apply a variety of mental math strategies as they add during online game play, as well as in a hands-on addition game they create with a partner. This lesson plan is aligned to Common Core State Standards.  See more »

## Combining Numbers Lesson Plan: Monster School Bus Game

In this lesson plan which is adaptable for grades 1-5, students will use an online math game to practice creating number combinations (such as whole numbers which add up to 10, or decimals which add up to 1.)  Students then create their own version of the game using hands-on materials. 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 »