Adam and Bryan have 15 beads.
Adam has 5 less beads than Bryan.
Find the number of beads that Adam has.
- 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 =
(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
(1) The total is given.
(c)
Who gets the shorter bar?
(1) Adam
(2) Bryan
Adam has 5 less beads than Bryan.
So, (1) Adam gets the shorter bar.
(d)
If 5 beads are taken away from Bryan, Adam and Bryan will have the same number of beads.
Number of beads that Adam has
= (15 - 5) ÷ 2
= 10 ÷ 2
= 5
Answer(s): (a) 2; (b) 1; (c) 1; (d) 5