Bryan has 100 beads.
Adam has 30 less beads than Bryan.
How many beads does Adam 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 30 less than Bryan. So, (2) Adam gets the shorter bar.
(d)
Number of beads that Adam has
= 100 - 30
= 70
Answer(s): (a) 2; (b) 2; (c) 2; (d) 70