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Division
Multiplication
INSPIRED BY
by 10's
The Marvels of
and
Explore multiplication and division
of numbers by 10's

Today you'll learn to:
Divide numbers by 10's
Multiply numbers by 10's
Solve word problems involving multiplication
and division by 10's

Thousands Hundreds Tens Units (Ones)
1 1 1 1
Let's Recall
How big is 1 thousand compared to 1 hundred?
How big is 1 unit compared to 1 ten?

Let's Recall
Thousands Hundreds Tens Units (Ones)
1000 100 10 1
1 thousand is 10 times larger than 1 hundred.
1 unit is 10 times smaller than 1 ten.

Multiplication
by 10's
When a number is multiplied by
10, it becomes 10 times larger.
3 × 10 = 30
Example:

Hundreds Tens
Units
(Ones)
2 5
Example: 25 × 10
25 × 10 = 250
Hundreds Tens
Units
(Ones)
2 5 0
Step 2: Put 0 in the ones
place as a placeholder.
Hundreds Tens
Units
(Ones)
2 5
Step 1: Move each digit to
the next higher place value.
Multiplication
by 10's

Division
by 10's
When a number is divided by 10,
it becomes 10 times smaller.
300 ÷ 10 = 30
Example:

Division by 10's
Example: 400 ÷ 10
400 ÷ 10 = 40
Hundreds Tens
Units
(Ones)
4 0 0
Hundreds Tens
Units
(Ones)
4 0
Step 1: Remove 0 in the ones place.
Step 2: Move each digit to the lower
place value.

Let's Solve!
2
1
Put on your thinking
hats and solve these
word problems!
There are a total of 240
stickers. If each sticker is
packed in sets of 10, how
many packs will there be?
There are 6 boxes. Each
box has 10 colored pens.
How many colored pens
are there in all?

Hundreds Tens
Units
(Ones)
2 4
Let's Solve!
Hundreds Tens
Units
(Ones)
6 0
1 2
6 × 10 240 ÷ 10
6 × 10 = 60 240 ÷ 10 = 24
There are 60 color pens in all. There are 24 packs of stickers.
Answer
Key

Remember!
Dividing by 10
Multiplying by 10
When a number is divided by 10,
it becomes 10 times smaller.
When a number is multiplied by 10,
it becomes 10 times larger.
25 × 10 = 250
Example: 250 ÷ 10 = 25
Example:

Great job!
If we have 450 × 10, which
symbol would you use to
compare 450 with the answer?
( >, <, = ) ?
450

Mathspace. "Multiplication and division by 10's,
connecting to place value." Accessed 29 May 2023,
https://mathspace.co/textbooks/syllabuses/Syllabus-
1090/topics/Topic-21195/subtopics/Subtopic-274584.
Reference

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The Marvels of Multiplication and Division by 10's Education Presentation in Grey Purple Yellow Simple Lined Style.pptx

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