Ch. 10 L8: Multiplication as Scaling

Without multiplying decide whether the product (answer to a multiplication problem) is greater than, less than, or equal to...

 $4\ \times\ \frac{1}{7}$  

• greater than

• less than

• equal to

Without multiplying decide whether the product (answer to a multiplication problem) is greater than, less than, or equal to...

 $12\ \times\ 2\frac{5}{6}$  

• greater than

• less than

• equal to

Maresol spent 4/5 of her allowance on a pair of jeans. If she received $15 for allowance, did Maresol spend more than, less than, or equal to $15 on the jeans?

• greater than

• less than

• equal to

Dee used 2 1/3 cups of sugar for a cake recipe. If the amount of sugar the container holds is 3 times the amount she used, does the container hold more than, less than, or equal to the amount Dee used?

• more than

• less than

• equal to

Derek ran 3/8 of a race before he had to stop for a break. If the race is 6 miles long, did Derek run more than less than, or equal to 6 miles before he took a break?

• more than

• less than

• equal to

_____________ is the process of resizing a number when you multiply by a fraction that is greater than or less than 1.

Which multiplication expression that does not belong based on scaling?

• $6\ \times2\ \frac{1}{2}$

• $6\times1\ \frac{3}{5}$

• $\frac{1}{2}\times6$

• $2\ \frac{2}{5}\times\ 6$

 $422\div2=$  

 $\frac{1}{2}+\frac{1}{2}=$  

Check all the correct answers:

 $\frac{4}{5}+\frac{1}{5}=$  

• 1

•  $\frac{5}{5}$  

•  $\frac{4}{5}$  

•  $\frac{5}{10}=\frac{1}{2}$