Use composition and decomposition of numbers to identify and discuss patterns. 0106.2.14

Links verified on 05/22/2026

1. The Candy Machine Game - Online game from Starfall.
2. Composing and Decomposing Numbers - Number Sentences - Video Lesson - In this first-grade math lesson, students will compose and decompose numbers and represent them using number sentences.
3. Composing & Decomposing - Watch this fun primary video math lesson that teaches composing numbers to 20 in different ways, including 5 and 10 squares, and also number bonds. This video is a part of Scratch Garden’s Mini Math Movies math series for kids.
4. Decomposing numbers into base 10 blocks - Worksheets to download.
5. Engaging Activities for Composing and Decomposing Numbers - Math fluency is important in everyday situations. That’s why there’s immense value in incorporating activities for composing and decomposing numbers in your classroom.
6. Engaging Games for Composing and Decomposing Numbers - Several games for the class.
7. Expanded Form of Numbers - write the numeral the expanded form represents
8. Hands-On Activities for Composing and Decomposing Numbers - Here are some fun ways to practice composing and decomposing numbers at home with your child.
9. Roll It, Build It, Break - This decomposing tens and ones game can be played independently, with partners, or as a whole group. I love the flexibility of this game and I love that it’s one I can give my kids choice on if they want to play with a friend or alone.
10. The Magic Triangle - Online games - Place the number discs along the sides of the triangle. Make sure each sum equals the target number. Make your own number puzzles!