Adam has 20 stickers at first.
Adam gives away 10 stickers.
How many stickers does Adam have in the end?
- 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) At first
(2) Adam gives away
- Number of stickers that Adam has in the end = _____
(a)
Which model should we draw?
(1) Model Part-whole
(2) Model Comparison
We should draw a (1) Model Part-whole.
(b)
Is the total given?
(1) Yes
(2) No
(1) The total is given.
(c)
Who gets the shorter bar?
(1) At first
(2) Adam gives away?
10 stickers is less than 20 stickers. So, (2) 'Adam gives away' gets the shorter bar.
(d)
Number of stickers that Adam has in the end
= 20 - 10
= 10
Answer(s): (a) 1; (b) 1; (c) 2; (d) 10