Adam and Bryan have 180 stickers.
Adam has 30 more stickers than Bryan.
Find the number of stickers that Bryan has.
- Which model should we draw?
(1) Model Part-whole
(2) Model Comparison
- Is the total given?
(1) Yes
(2) No
- Who gets the shorter bar?
(1) Adam
(2) Bryan
- Number of stickers that Bryan has =
(a)
Which model should we draw?
(1) Model Part-whole
(2) Model Comparison
We should draw a (2) Model Comparison.
(b)
Is the total given?
(1) Yes
(2) No
(1) The total is given.
(c)
Who gets the shorter bar?
(1) Adam
(2) Bryan
Adam has 30 more stickers than Bryan.
So, (2) Bryan gets the shorter bar.
(d)
If 30 stickers are taken away from Adam, Adam and Bryan will have the same number of stickers.
Number of stickers that Bryan has
= (180 - 30) ÷ 2
= 150 ÷ 2
= 75
Answer(s): (a) 2; (b) 1; (c) 2; (d) 75