Unit 3 Multiplication And Division Worksheet Page 3
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40L E S S O N
Using Doubles to Multiply
An array shows objects arranged in equal rows.
You can use an array to multiply.
To find 2
3, make an array of 2 rows of 3.
2 rows of 3 counters
2
3
6
This is a multiplication fact.
You will need 1-cm grid paper and scissors.
➤ Use the grid paper.
Draw an array for 3
4.
Cut out the array.
Record a multiplication fact for the array.
➤ Use your array and your partner’s array to make a larger array.
Record a multiplication fact for this new array.
Arrange your arrays another way.
Record another multiplication fact.
➤ With your partner, choose one of these:
2
4
3
5
4
6
Cut out an array to show the fact.
Record a multiplication fact for the array.
Put your array together with your partner’s array.
Record a multiplication fact for this new array.
Arrange the arrays another way.
Record a multiplication fact for that array.
82
L
F
Use doubles to multiply mentally.
ESSON
OCUS
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