Adam has 100 beads.
Bryan has 90 beads.
How many more beads 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) Adam
(2) Bryan
- Number of beads that Adam has more 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) Adam
(2) Bryan
Adam has 100 beads but Bryan has 90 beads.
90 is less than 100. So, (2) Bryan gets the shorter bar.
(d)
Number of beads that Adam has more than Bryan
= 100 - 90
= 10
Answer(s): (a) 2; (b) 2; (c) 2; (d) 10