Multiplication - Teignmouth Primary€¦ · multiplication problems. Lot’s of Times multiply Sets...
Transcript of Multiplication - Teignmouth Primary€¦ · multiplication problems. Lot’s of Times multiply Sets...
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Multiplicationusing arrays
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Let’s start with our Mental Starter:
Word ProblemThere were 7 animals ready to
perform in the circus. 2 Fell sick. How many animals are able to perform in
the circle now?
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WALT:Solve one-step problems involving
multiplication by calculating the answer using arrays.
WILF:I can solve multiplication problems using
arrays.
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Today we will learn how to solve
multiplication problems using the
array method!
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Let’s see all the words we need to use when solving
multiplication problems.
Lot’s of
Timesmultiply
Sets of
groups of
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What Math symbols do you think we will be using today for multiplication?
Point!
+
-
x
=
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How do we solve problems using
the array method?
2 x 3 = ?
Let’s try and solve this…
What is the first number?
2We draw 2 circles.
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Now what is the second number? 3
So draw circles at the bottom to have 3 groups of 2.
Then
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Now add all the circles together to find the
answer! 6
2
3
Remember to draw
the circles carefully!
2 x 3 = ___
Remember to draw
the circles carefully!
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This is a list of what you need to do when trying to work out the answer:
1. Look at the first number and draw circles!
2. look at the second number and draw the remaining circles to show
‘groups of’.
3. add all the small circles together to get the answer.
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Let’s have a go!
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2 x 4 = ___
Draw your working out in this box!
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3 x 4 = ___
Draw your working out in this box!
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4 x 5 = ___
Draw your working out in this box!
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5 x 2 = ___
Draw your working out in this box!
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5 x 4 = ___
Draw your working out in this box!
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6 x 3 = ___
Draw your working out in this box!
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7 x 5 = ___
Draw your working out in this box!
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5 x 6 = ___
Draw your working out in this box!
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Time to use your Multiplication brains!
LA/MA/HAWorksheet
Extension
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Arrays
1. 2 x 5 = ____
2. 2 x 3 = ____
3. 3 x 4 = ____
4. 3 x 5 = ____5. 3 x 6 = ____
6. 4 x 3 = ____
7. 4 x 4 = ____
8. 3 x 3 = ____
9. 2 x 2 = ____10. 7 x 6 = ____
5
2
When you have finished your
worksheet, work out these
multiplication questions drawing the arrays in your
math exercise book.