unit 3

80 more than B

• 80B
• B-80
• B+80
• B÷80

2 times the sum of B and 15

• 2(B+15)
• 2B+15
• 2B×15
• 2×15B

Write an equation for each sentence:

8 less than a number is 5

The sum of y and 1

• y+ 1

• y - 1

• y

•  $\frac{y}{1}$ 

The sum of 4 and x

• 4 + x

• 4 - x

• 4x

• $\frac{4}{x}$

The difference of z and 2

• z - 2

• z + 2

• 2z

•  $\frac{z}{2}$ 

The difference of 9 and a

• 9 - a

• 9 + a

• 9a

•  $\frac{9}{a}$ 

The product of 12 and b

• 12b

• b12

• 12 + b

•  $\frac{12}{b}$ 

The product of c and 8

• 8c

• c + 8

• c - 8

•  $\frac{c}{8}$ 

The quotient of g and 3

• 3g

• g + 3

• g - 3

•  $\frac{g}{3}$