Review Expressions, Equations, Inequalities

• a ≥ 4

• a ≥ -4

• a ≤ 4

• a ≤ -4

a number sentence; a combination of variables, constants, and operations, but no equal sign

• expression

• equation

• terms

• solution

Tags

CCSS.6.EE.A.2B

two expressions that have the same value and are separated by an equal sign

• expression pair

• equation

• coefficient

• terms

Tags

CCSS.HSA.CED.A.3

a letter or symbol used to represent an unknown amount

• variable

• term

• coefficients

• solution

Tags

CCSS.6.EE.A.2B

the number to the left of a variable; it is multiplied with the variable

• integer

• term

• coefficient

• solution

Tags

CCSS.6.EE.A.2B

Mathematical Equivalence

ON

Tags

CCSS.7.EE.A.1

Container A has 20 mL of liquid and is draining at 1 mL per minute. Container B has 10 mL of liquid and is gaining 2 mL per minute. Write an equation that shows in how many minutes, m, the amount of liquid in the two container will be equal.

Use the distributive property and write an expression equivalent to the one below?

Tags

CCSS.6.EE.A.3

Which inequality matches the graph?

• n is greater than 12

• n is greater than or equal to 12

• n is less than 12

• n is less than or equal to 12

Tags

CCSS.6.EE.B.8

Solve.

(a)  

Tags

CCSS.7.EE.B.4A