Better Lesson
Better Lesson: Ways to Make 10 a Lesson on Decomposing
Students will learn what it means to represent a number in different ways and will begin to explore decomposing numbers. Included is a detailed lesson plan, link to an online game, worksheet, center ideas, and a "Ways to Make 10" chart.
Khan Academy
Khan Academy: Making Small Numbers in Different Ways
Practice making a number by adding other numbers. All numbers in these problems are less than 10. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.