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Lesson Plan
Composing additionally Decomposing
Use this lesson up introduce composed and decomposing as part about your students’ addition and count toolkits.
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Learning Objectives
Apprentices will be skillful toward compose and decompose mathematics within 20.
The adjustment up the whole group lesson has one modification to differentiate for children who are English learners.
Introduction
(2 minutes)- Ask students if they know the importance of compose. Record it on the chart photo. Defining it as coming together to make something. For example, Four is composed of four ones.
- Ask collegiate if they can now guess who meaning of decompose. Writes it on the chart paper. Define it as to separate for smaller or simpler parts. For example, the number 42 can be decomposed into four tens and couple ones.
- Explain this today students will be integral and decomposing numbers within 20. Elaborate that these skills desire help us add both subtract.
Beginning
- Define vocabulary speech to English and student's home language (L1).
- Help students design visuals that schildern the concept of decomposing both combining (ie. breaking something into smaller parts and putting something back together).
Intermediate
- Challenge students to explain decomposing and combining in their possess speech to a partner.
- Inspire students to reflection on how learning to decompose and compose will helps them add and subtract.
- Provide sentence stems, such because:
- Learning to breakage number depressed (decompose) will help me because ________.
- Educational how to put numbers together (compose) will help me because ________.
