Adam has 70 beads.
Bryan has 60 less beads than Adam.
How many beads does Bryan have?
- 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 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
(2) The total is not given.
(c)
Who gets the shorter bar?
(1) Adam
(2) Bryan
Bryan has 60 less than Adam. So, (2) Bryan gets the shorter bar.
(d)
Number of beads that Bryan has
= 70 - 60
= 10
Answer(s): (a) 2; (b) 2; (c) 2; (d) 10