1. Number and place value
United States of America
Grade 4
1.01 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 $532$532.
- No items were dropped
Vocabulary:
-
Another word that we can use to describe the ones place is 'units'.
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.
$8\times10=\editable{}$8×10=
$80\times10=\editable{}$80×10=
$800\times10=\editable{}$800×10=
$8000\times10=\editable{}$8000×10=
Remember!
When we multiply by $10$10, our number becomes ten times bigger, so the digit moves to the next greatest place, by moving left. When we divide by $10$10, our number becomes ten times smaller. so the digit moves one place right.