Writing Expressions & Equations

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

Tags

CCSS.6.EE.A.2B

Translate the statement into an expression:

Four more than six times a number.

• 4x - 6

• 4x + 6

• 6x + 4

• 6x - 4

Translate the sentence into an equation.

Seven subtracted from n is 18

• n + 7 = 18

• 7 - n = 18

• n - 7 = 18

• n + 7 = 18n

How would you translate x - 5 = 12 into words?

• The sum of x and 5 is 12

• The product of x and 5 is twelve

• x less than 5 is 12

• Five less than x is 12.

Translate this statement into an expression:

the sum of two times a number and five

• 2 + y + 5

• 2 + 5y

• 2y + 5

• 2(y+5)

Translate this statement into an expression:

Six fewer than two times number

• 6 - 2x

• 2x - 6

• x² - 6

• 6 - x²

How would you write 4t + 1 in words?

• The product of 4 and t is added to 1

• 1 more than the sum of 4 and t

• 1 less than the product of 4 and t

• The product of 4 and t is multiplied by 1

Translate this sentence into an equation:

Four times a number is 24.

• 4n = 24

• 4/n = 24

• 4 + n = 24

• 4 - n = 24

Translate this statement into an expression:

Twice the sum of a number and 5

• 2x+5

• 2x +22

• x²+5

• 2(x+5)

How do you solve this equation?

3x = 44

• add 3 to both sides

• subtract 3 from both sides

• multiply 3 on both sides

• divide by 3 on both sides