Expressions, Equations, Inequalities (7th Grade)

Front

What is an inequality?

Back

An inequality is a mathematical statement that compares two expressions using symbols such as <, >, ≤, or ≥.

Front

What does the symbol '≥' mean?

Back

The symbol '≥' means 'greater than or equal to'.

Tags

CCSS.6.EE.B.8

Front

What is the difference between an equation and an expression?

Back

An equation shows that two expressions are equal, while an expression is a combination of numbers, variables, and operations without an equality sign.

Front

What happens to the inequality symbol when you multiply or divide by a negative number?

Back

When you multiply or divide both sides of an inequality by a negative number, you must flip the inequality symbol.

Tags

CCSS.6.EE.B.8

Front

Solve the inequality: 3x + 5 < 14. What is x?

Back

x < 3.

Tags

CCSS.7.EE.B.4B

Front

What is the first step in solving the equation: 2x + 3 = 11?

Back

Subtract 3 from both sides to get 2x = 8.

Tags

CCSS.7.EE.B.4A

Front

What is a solution to an inequality?

Back

A solution to an inequality is a value that makes the inequality true.

Tags

CCSS.6.EE.B.5

Front

How do you graph the inequality x > 4?

Back

Draw a number line, place an open circle on 4, and shade to the right.

Tags

CCSS.6.EE.B.8

Front

What does the expression (6x + 3y + 4) – (x + y – 5) simplify to?

Back

5x + 2y + 9.

Tags

CCSS.HSA.APR.A.1

Front

What is the purpose of using inverse operations in solving equations?

Back

Inverse operations are used to isolate the variable and solve for its value.

Tags

CCSS.7.EE.B.4A