Year 4 - Multiply by 10 and 100
Presentation
•
Mathematics
•
3rd Grade
•
Easy
+2
Standards-aligned
Paul Lavis
Used 14+ times
FREE Resource
5 Slides • 19 Questions
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Year 4 - Multiply by 10 and 100
Multiplication lesson 1
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Your Learning Journey
Where are you currently?
What do you already know about multiplication?
What would you like to find out?
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Multiplying by 10
How many tens does each row have?
How many ones does each row have?
How many rows are there altogether?
What would our calculation be?
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Open Ended
You could draw place value counters on your whiteboard to find your answer, like in the last question.
10 x 3 =
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Open Ended
Write 4 on a place value grid on your whiteboard. When we multiply by 10, we have to move the digits 1 place to the left.
What answer would this give us?
4 x 10 =
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Open Ended
Use a place value grid to help you find your answer.
Remember, when you multiply by 10, the digits move one place to the left.
12 x 10 =
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Open Ended
Always, sometimes or never true?
Type your answer below.
Can you use your reasoning skills to explain your answer?
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Multiplying by 100
We know that 3 x 1 = 3.
We also know that 3 x 10 = 30
What would 3 x 100 be? How do you know?
How could you prove this on your whiteboard, using a place value grid?
When we multiply by 100, the digits move 2 places to the left.
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Open Ended
Remember, when we multiply by 10 we move the digits 1 place to the left.
When we muliply by 100, we move the digits 2 places to the left on our place value grid.
7 x 100 =
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Use a place value grid on your whiteboard to help you.
63 x 10 =
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Use a place value grid on your whiteboard to help you.
63 x 100 =
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80 x 10 =
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80 x 100 =
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75 x 100 =
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100 x 47 =
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460 x 10 =
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Your Learning Journey
Where have you reached on your learning journey today?
How did you get there? What made you successful?
How would you like to improve further?
Year 4 - Multiply by 10 and 100
Multiplication lesson 1
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