Expressions & Equations

In math, this basically means opposite

• inverse

• equation

• expression

• constant

A letter used to represent a number value in an expression or an equation

• term

• coefficient

• constant

• variable

A number used to multiply a variable. It is the number "attached" to a variable.

• constant

• coefficient

• term

• expression

5y = 7 is an example of an ____________

• expression

• equation

5y - 7 is an example of an ____________

• expression

• equation

In 8r - 3 , the COEFFICIENT is ___

• 8

• r

• -

• 3

In 8r - 3 , the VARIABLE is ___

• 8

• r

• -

• 3

the difference of 3 times a number and 7

• 3 - 7n

• 3n - 7

• 3n + 7

• 3n $\div$ 7

Which choice models this situation?

Last week, James worked 35 hours in 5 days on the farm. He worked the same number of hours each day. How many hours did he work each day?

• h - 5 = 35

• h + 5 = 35

• 5h = 35

• h/5 = 35

Which choice models this situation?

Hadlee needed new pencils for school today. She took 6 pencils from a new box of pencils. If there are 18 pencils left in the box, how many pencils were in the brand new box?

• p - 6 = 18

• p + 6 = 18

• 6p = 18

• p/6 = 18