Bryan has 90 stickers.
Adam has 70 stickers.
How many less stickers does Adam have than Bryan?
- 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) Bryan
(2) Adam
- Number of stickers that Adam has less than Bryan = _____
(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
(2) The total is not given.
(c)
Who gets the shorter bar?
(1) Bryan
(2) Adam
Bryan has 90 stickers but Adam has 70 stickers.
70 is less than 90. So, (2) Adam gets the shorter bar.
(d)
Number of stickers that Adam has less than Bryan
= 90 - 70
= 20
Answer(s): (a) 2; (b) 2; (c) 2; (d) 20