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Unitary Method

(e.g) Three pens cost $3.60. What is the cost of 5 pens?

    Step 1: Find the cost of 1 pen

            3.60 ÷ 3 = $1. 20

    Step 2: Multiply

                $1.20 x 5 =     $6.00


1. Kayla buys 6 lollies for $8.40. 

a. What is the cost of 1 lolly?

b. How much would she pay for 9 lollies?


2. 8 books cost $9.60.

a. Find the cost of 1 book.

b.  How much would a person pay for 11 books?


3. Find the cost of 15 toys if 3 toys cost $6.72. 


4. A car travels 720 kilometers in 4 hours. 

    a. How far did it travel in 1 hour?

    b. How far would it travel in 7 hours?



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