For each

For each pair of expressions, circle the greater product without finding the product. (write 1=left expression, 2=right expression)

a. 3/4 x 2/3 and 3/4 x 1/2
b. 2/3 x 3 1/4 and 4/3 x 3 1/4
c. 3/8 x 3/8 and 3/8 x 1/2

Correct answer:

a =  1
b =  2
c =  2

Step-by-step explanation:

$$\begin{gathered} 2/3>1/2 \\ a=1 \end{gathered}$$

$$\begin{gathered} b_1=3\frac{1}{4}=3+\frac{1}{4}=\frac{3\cdot 4+1}{4}=\frac{12+1}{4}=\frac{13}{4}=3\frac{1}{4}=3.25 \\ 2/3<4/3 \\ b=2 \end{gathered}$$

$$\begin{gathered} 3/8<1/2 \\ c=2 \end{gathered}$$

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