# Unit 2 Review

1. Which of the following is an expression?
a) 4x – 6 = -3 + x b) a + 2
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Slide 1: Open question
MathematicsSecondary Education

This lesson contains 18 slides, with interactive quizzes.

## Items in this lesson

1. Which of the following is an expression?
a) 4x – 6 = -3 + x b) a + 2

#### Slide 1 -Open question

1. Which of the following is an expression?

a) 10y = 18 b) 5p + 5

#### Slide 2 -Open question

1. Which of the following is an equation?

a) 10y = 18 b) 5p + 5

a. _________
b. _________

a. _________
b. _________

#### Slide 5 -Open question

Work out:
) 2p – q + 5 = ______, when p = 4 and q = 5

#### Slide 6 -Open question

Work out:
+ 5 = ______, when p = 40 and q = 5
5p

#### Slide 7 -Open question

Work out:
3p + 5 = ______, when p = 40 and q = 5

#### Slide 8 -Open question

Write a formula to work out the number of hours "h" in any number of days "d".

#### Slide 9 -Open question

Write a formula to work out the number of days "d" in any number of weeks "w".

#### Slide 10 -Open question

Write a formula to work out the number of hours "h" in any number of days "d".
How many hours are there in 5 days?

#### Slide 11 -Open question

Expand the expression:
2(5m - 7)

#### Slide 12 -Open question

Expand the expression:
3(-7 - 3n)

#### Slide 13 -Open question

Expand the expression:
3(2n+6) - 3

#### Slide 14 -Open question

Expand the expression:
5(2n+6) - 3

#### Slide 15 -Open question

Expand the expression:
4(t – 2) + 2(3t – 2)

#### Slide 16 -Open question

A rectangle has a length of m+10 and a width of 3m+2. Write the equation for the perimeter of this rectangle.

#### Slide 17 -Open question

Find m if the perimeter is 70.