Expressions Review

If a have y chocolates, and I eat 7 of them, how many chocolates do I have left?

• y - 7

• y + 7

• 7 - y

• 7y

a number more than 12

• x ÷ 12

• 12n

• 12 + n

• 12 - n

Which of the following terms refer to ADDITION? PICK TWO

• More Than

• Difference

• Sum

• Squared

There are 56 people on a bus. If x people get off and 7 people get on, how many people are on the bus?

• 56 + x - 7

• 56 + 7

• 56 - x + 7

• x + 7 = 56

7(x + 4)

Simplify: 6b + 7b - 10

• 3b

• 13b - 10

• 13b² - 10

• 3b²

What is the simplified form of this expression 3x + 4 + 5x + 3

• 15x

• 8x+7

• 7x+8

Simplify the Expression. 
9z  - 21 - 3z + 10

• Simplified

• 9z - 21 - 7

• 9z - 11 -3z

• 6z - 11

r + 10r

• 11r

• -11r

• 9r

• -11

4a + 9 + a

• 5a + 9

• 14a

• 3a + 9

• 5a - 9