Adam has 70 beads.
Bryan has 20 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 70 beads but Bryan has 20 beads.
20 is less than 70. So, (2) Bryan gets the shorter bar.
(d)
Number of beads that Adam has more than Bryan
= 70 - 20
= 50
Answer(s): (a) 2; (b) 2; (c) 2; (d) 50