1. Challenging Word Problem Demystified

2. A money changer exchanged $6850 into fifty-dollar notes
A money changer exchanged $6850 into fifty-dollar notes. How many fifty-dollar notes does he receive?
6850 ÷ 50
= 685 ÷ 5
= 137
He receive 137 notes

3. Tim has thrice as many stamps as Bill
Tim has thrice as many stamps as Bill. Tim and Bill have a total of 300 stamps. How many stamps does Tim have?
(1) Draw out the model that
represent the word problem.
Bill
300
Tim
(2) Label the diagram with the
names and number. Use the guiding
Question “Who has more?” ?
300÷ 4 = 75
75 x 3 = 225
Tim has 225 stamps.
(3) Check the model.
(4) Write the number
statement.
(5) Write the answer statement

4. ?
150
200 50
200 – 50 = 150
150 ÷ 2 = 75
? = 75

5. Tom and Jerry have $780. Tom have $80 more than Jerry
Tom and Jerry have $780. Tom have $80 more than Jerry. How much does Tom have?
350
Jerry
700
780 80
Tom
350 ?
= 700
700 ÷ 2 = 350
= 430
Tom has $430.

6. Tim must give Moby 25 stamps.
Tim has 50 stamps more than Moby. How many stamps must Tim give so that they have the same number of stamps? 25
Moby
Tim 25 25 50
50 ÷ 2 = 25
Tim must give Moby 25 stamps.

7. 460 - 400 60 ÷ 2 = 30 Tom must give $30 to Jerry
Jerry has $400. Tom has $460. How much money must Tom give to Jerry so that they have the same amount?
Jerry
Tom
400 30 30 30
460 60
60 ÷ 2 = 30
Tom must give $30 to Jerry

8. Jennifer must give Samantha $3.25.
Samantha has $26.25 while Jennifer has $ How much money must Jennifer give to Samantha so that they have the same amount of money?
2625
325
Samantha
$7.50
325
325
Jennifer
3375
750
$33.75 – = $7.50
= 750¢
750 ÷ 2 = 325
Jennifer must give Samantha $3.25.