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1.06 Multiplication and division by 10's, connecting to place value

Lesson

Are you ready?

Do you remember how to use models to represent place value?

Use the least amount of blocks possible to make the number $530$530.

  1. No items were dropped

Learn

By remembering that each digit in our number is ten times larger than the place to its right,  we can multiply or divide by $10$10.

Apply

Complete these number sentences.

  1. $3\times10=\editable{}$3×10=

  2. $30\times10=\editable{}$30×10=

  3. $300\times10=\editable{}$300×10=

  4. $3000\times10=\editable{}$3000×10=

 

Remember!

When we multiply by $10$10, our number becomes ten times bigger, so the digit moves to the next highest place, by moving left. When we divide by $10$10, our number becomes ten times smaller. so the digit moves one place right.

 

Outcomes

MA2-5NA

uses mental and written strategies for addition and subtraction involving two-, three-, four and five-digit numbers

MA2-6NA

uses mental and informal written strategies for multiplication and division

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