Math 7 HW 1 Qtr 2

What is the difference between an expression and equation?

• Expressions have an equal sign and equations do not have an equal sign

• Expressions do not have an equal sign and equations do have an equal sign

• There is not a difference

• Expressions do not have variables and equations have variables

What does "difference" mean?

• add

• subtract

• multiply

• divide

Which algebraic expression represents

Three less than twice a number

• 2x - 3

• 3x - 2

• 3 - 2x

• 2 - 3x

Translate the following expression: a number split up into 5 groups

• 5g

• 5 ÷ 2

• g ÷ 5

• 5 ÷ g

Translate the following expression: seven times the quantity of a number plus 4

• 7a + 4

• a + 7(4)

• 7(a + 4)

• a(7 + 4)

What operation does "SUM" represent?

• Addition

• Subtraction

• Multiplication

• Division

What operation does "QUOTIENT" represent?

• Addition

• Subtraction

• Multiplication

• Division

A variable is a ________________ or __________________ that represents an unknown value.

• letter or symbol

• term or expression

• constant or coefficient

• noughts or crosses

What operation does "Product" represent?

• Addition

• Subtraction

• Multiplication

• Division

Translate the following into an equation:

Twice a number is 36.

• $2\ +\ 2\ =36$

• $2+x=36$

• $2x=36$

• $36x=2$