Lesson 14: Reading and Writing Expressions

How many terms are in the expression?
 $5\ -\ 2k$  

•  $2$   terms

•  $3$   terms

•  $5$  

•  $-2k$  

What are the terms?
 $9n\ -\ 8$  

•  $9n$  and $-8$  

•  $9n$  and  $8$  

• 2 terms

•  $9$  and  $-8n$  

3 times the sum of a number and 7

• $3\left(x+7\right)$

• $3x\ +\ 7$

• $7\left(x\ +\ 3\right)$

• $7x\ +\ 3$

Choose the statement that are true about the expression. $3s\ -\ 5$  

• The difference of  $3$ and $s$  

•  $3$  is the coefficient 
  

•  $5$ is the constant

• There are $3$ terms

Use the words to describe. $5\ -\ 2k$  

• The product of  $2$ and $k$  subtracted from $5$  

• The product of  $2$ and  $k$  less than $5$  

•  $2$  times  $k$  minus $5$  

•  $2$  times  $k$  increased by $5$  

Choose ALL the statements that are true about the expression. $3\left(b\ +\ 8\right)\ +\ 12$  

• One of the terms is  $b+8$  

• The expression has  $3$  terms

•  $12$  is the constant 

•  $3$  is the coefficient

Write the expression in words. $x-10$  

•  $x$  more than $10$  

• half of $x$  

•  $10\$ less than $x$  

•  $x$ less than $10$  

Write the algebraic expression in words.

 $6\left(m\ +\ 4\right)$  

• The sum of a number and  $4$  multiplied by $6$  

•  $6$ times a number and $4$   

•  $4$ times the sum of $6$ and a number 

• The sum of  $4$  and  $6$  and the product of a number

What is the coefficient? $3\left(u\ -\ 7\right)+\ 8$  

•  $3$  

•  $3$  terms

•  $3\left(u\ -\ 7\right)$  

•  $8$  

Write the algebraic expression in words. $4w\ +\ 55$  

• The product of $4$ and a number increased by 55.

• The product increased by $4$  and a number and $55$  

•  $55$ plus a number $4$   

•  $4$  times  $55$ and a number