Lesson 4: Base 10 Blocks & Expanded Form

Lesson 4 Learning Objectives:

Practise representing numbers up to 10 000 with base ten blocks

Replace a number with its expanded form and vice versa

Math Talk:

See Math Talk image below

Math Play:

Base 10 blocks
Polypad base 10 blocks
Didax base 10 blocks

Learn:

Lesson 4 Learning Guide

From Jump Math:

NS4-5, NS4-6

Practice:

Jump Math 4.1:
Pages 10-14

Reflect:
Reflect in your math journal. Draw, create or write to share your thinking. See Lesson 4 guide for more reflection questions, real life anchoring, playful explorations and creative invitations.

Reflection questions

Can a number have a zero in it and still need that zero in expanded form?
How could you clearly explain the difference between standard form and expanded form to a classmate who finds it confusing? How can base 10 blocks help with your explanation?
Why might it be helpful to show numbers in expanded form when you're solving a math problem? How can it make numbers easier to work with?

Math Talk:
What Math Lives Here?

Have a conversation about this image. Be curious. Be creative. Can you see in different ways?

What numbers do you see? How do you see them?

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