Writing & Evaluating Expressions

a number decreased by 12

• $12-n$

• $\frac{n}{12}$
  

• $n-12$
  

• $12n$
  

the total of nine and a number

• $n-9$

• $\frac{9}{n}$

• $9+n$

• $9n$
  

4 less than a number

• $4-n$

• $4+n$

• $\frac{n}{4}$

• $n-4$
  

w increased by 5

• $w-5$

• $5w$

• $w+5$

• $\frac{w}{5}$

3 times a number minus 7

• $3-7n$

• $3n-7$

• $3n+7$

• $3\div7n$

8 more than the product of 4 and a number

• $4c+8$

• $8c\ +4$

• $\frac{4}{c}+8$

• $4-c+8$

the quotient of twenty and a number

• $\frac{n}{20}$

• $20-n$

• $n+20$

• $\frac{20}{n}$

"Subtracted from" and "less than" are terms that mean you need to "turn around" or "flip"  the terms around.

• True
• False

Tags

CCSS.3.NBT.A.2

10 decreased by a number

•  $a-10$  

•  $10-a$  

•  $10+a$  

•  $\frac{10}{a}$  

 $\frac{c}{14}$  

Which verbal statement matches this expression?

• the product of a number and 14

• the sum of a number and 14

• the difference of a number and 14

• the quotient of a number and 14