Writing Algebraic Expressions

Five less than a number k

• k - 5
• 5 + k
• 5/k
• 5 - k

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.6

a number decreased by 13

• 13 - x
• x + 13
• x/13
• x - 13

Ten more than four times a number

• 4 x 10 x m
• 4m + 10
• 10 + 4 + m
• 10m + 4

Five times the difference of a number and 9

• 5x - 9
• 5(x - 9)
• 5(x + 9)
• 5(9) - y

Twelve less than the product of a number and 8

• 12  -  8n
• 12 - (n + 8)
• 8n - 12
• 12/8n

Marsha is x years old. Cindy is 15 times the age of Marsha. Jan is 13 years younger than Cindy. What is Jan's age? 

• 15x - 13
• 1x + 13
• 15(x - 13)
• 17

Bananas cost $0.68 each. Which one does NOT show how much x bananas would cost? 

• (0.68)x
• 0.68 + x
• 0.68(x)
• 0.68x

The value of x dimes

• 10x
• 10 + x
• .10 + x
• .10x

a number minus 6

• x + 6
• x - 6
• 6 - x
• 6 + x

Twice the sum of x and y

• 2xy
• 2x + y
• 2 + (x + y)
• 2(x + y)