Bryan has 100 marbles.
Adam has 70 marbles.
How many marbles do they have altogether?
- 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
- What is the total number of marbles?
(a)
Which model should we draw?
(1) Model Part-whole
(2) Model Comparison
We should draw a (1) Model Part-whole.
(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
Bryan has 100 marbles but Adam has 70 marbles.
70 is less than 100. So, (2) Adam gets the shorter bar.
(d)
Total number of marbles
= 100 + 70
= 170
Answer(s): (a) 1; (b) 2; (c) 2; (d) 170