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Thursday 21 September 2017

useing arrays

We are learning to: use arrays to solve multiplication problems

Array
Repeated addition
Multiplication
3+3+3=9
3x3=9
6+6+6+6+6=30
6x5=30
5+5+5+5+5=25
5x5=25
4+4+4+4+4=20
5x4=20
3+3+3+3+3=15
3x5=15
5+5+5+5+5=25
5x5=25
3+3+3+3+3+3=18
3x6=18

Create an array that for each multiplication problem. Double click the image then copy and paste the shape to create the array.

3x4=14
2x5=10

6x6=36
8x2=16
9x4=36
Make arrays for the following problems. Create the array for these word problems.
Question
Array
A camp ground has 4 cabins which can sleep 2 people in each cabin. How many people can stay in the cabins?
Simon cooked eggs for his family. There were 4 people in the family and each person had 3 eggs. How many eggs did Simon cook?
Sam bought three bags of potatoes. There were eight potatoes in each bag. How many potatoes did she buy?

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