Math3-5
Composing and Decomposing Numbers
By April L.
This 3-page packet helps 3rd graders understand how to compose and decompose numbers using hundreds, tens, and ones. It builds number sense and fluency with place value concepts.
Customize for your classroom
Teacher Guide & Tips
- Use this packet as a 30-minute math center activity or whole-group lesson.
- Discussion question: How many different ways can you represent the number 123 using only hundreds, tens, and ones?
- For struggling learners, provide base-ten blocks or drawings to help visualize the numbers.
- Advanced learners can explore composing and decomposing larger numbers or numbers with more than three digits.
Math3-5
Composing and Decomposing Numbers
By April L.
This 3-page packet helps 3rd graders understand how to compose and decompose numbers using hundreds, tens, and ones. It builds number sense and fluency with place value concepts.
Customize for your classroom
Teacher Guide & Tips
- Use this packet as a 30-minute math center activity or whole-group lesson.
- Discussion question: How many different ways can you represent the number 123 using only hundreds, tens, and ones?
- For struggling learners, provide base-ten blocks or drawings to help visualize the numbers.
- Advanced learners can explore composing and decomposing larger numbers or numbers with more than three digits.