Bryan has 70 beads.
Adam has 40 less beads than Bryan.
How many beads do they 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) Bryan
(2) Adam
- Number of beads that Adam 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) Bryan
(2) Adam
Adam has 40 less beads than Bryan. So, (2) Adam gets the shorter bar.
(d)
Number of beads that Adam has
= 70 - 40
= 30
Answer(s): (a) 2; (b) 2; (c) 2; (d) 30