Repeated Addition
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4 + 4 = 8
5 + 5 = ?
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5 + 5 = 10
Mary has 4 bags of oranges. Each bag has 5 oranges in it. How many oranges does she have?
5 + 5 + 5 + 5 = 20
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Columns go in what direction?
Up and down
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4 + 4 + 4 = 12
2 + 2 + 2 + 2 = ?
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2 + 2 + 2 + 2 = 8
Barry has 3 packages of cupcakes. Each package has 6 cupcakes. How many cupcakes does Barry have?
6 + 6 + 6 = 18
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Rows go in what direction?
Side to side
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6 + 6 + 6 + 6 = 24
3 + 3 + 3 + 3 = ?
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3 + 3 + 3 + 3 = 12
There are 2 people sitting on a bench. Each person has 7 grapes. How many grapes are there in all?
7 + 7 = 14
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Which is the same as the number of objects in each row?
Columns OR rows?
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4 + 4 + 4 + 4 + 4 = 20
5 + 5 + 5 = ?
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5 + 5 + 5 = 15
Anita has 4 packs of baseball cards. If there are 4 cards in each pack, how many baseball cards does she have in all?
4 + 4 + 4 + 4 = 16
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Our arrays will never have a total number of objects bigger than....
(until 3rd grade)
25
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7 + 7 + 7 = 21
5 + 5 + 5 + 5 + 5 = ?
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5 + 5 + 5 + 5 + 5 = 25
There are 2 children with balloons. If each child has 8 balloons, how many balloons are there in all?
8 + 8 = 16
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What is the equation called that represents an array?
Repeated addition