Identify Expressions and Equations

Which phrase describes the expression?

• The product of a number and n

• a number n decreased by 10

• the sum of a number n and 10

• a number n times 10

Tags

CCSS.7.EE.A.2

CCSS.HSA.SSE.A.2

5x + 7 is an:

• Expression

• Equation

• Inquality

Tags

CCSS.6.EE.A.2B

4y - 7 = 21

• Expression

• Equation

• Inequality

Tags

CCSS.7.EE.B.4A

17-10=7

• Expression

• Equation

• Inequality

Tags

CCSS.6.EE.A.2C

a - b

• This is an algebraic expression.

• This is an algebraic equation.

5n

• This is an algebraic expression.

• This is an algebraic equation.

c = 10m

• This is an algebraic expression.

• This is an algebraic equation.

p = 100 - d

• This is an algebraic expression.

• This is an algebraic equation.

One way to estimate your distance (in miles) from a lightning strike is to count the number of seconds between the flash of the lightning and the sound of thunder, then divide by 5. Translate this verbal model into an equation.

• d = s ÷ 5

• s ÷ 5

• d = 5 ÷ s

Tags

CCSS.6.EE.C.9

What is 12 ⋅ 12 ⋅  12 ⋅ 12 written as a exponent

• 12⁴

• 12  ⋅  4

• 4¹²

Tags

CCSS.6.EE.A.1