workshop on bar model method
Post on 23-Jun-2015
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Slides are available at www.banhar.blogspot.com
yeapbanhar@gmail.com
Allan
Ben
6
8
Cindy
Daniel
15
44
Cindy
Daniel
15
44 – 15
2 units = 44 – 15 = 29
1 unit = 29 : 2 = 14.5
Cindy has €29.50.
1
7
8 2y = 7 + 1
20 cent coins
50 cent coins
20 cent coins
50 cent coins
39
20 cent coins
50 cent coins
39 16
94 – 39 – 39 = 16
20 cent coins
50 cent coins
39
94 – 39 – 39 = 16
1 seventh of 50-cent coins = 39 – 16 – 16 = 7
She had 7 x 7 fifty-cent coins or 49 fifty-cent coins at first.
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