7th Grade Math Semester 1 Review

Front

Simplify the expression: 10x + 45 ÷ 9 - (14 - 2x)

Back

12x - 9

Tags

CCSS.6.EE.A.3

Front

Identify the constant in the expression: 34y - 23x + z - 77

Back

-77

Tags

CCSS.6.EE.A.2B

Front

Combine the fruits: 11 oranges + 7 apples - 4 oranges

Back

7 oranges + 7 apples

Tags

CCSS.2.OA.A.1

Front

Calculate: -8 - (-3) + 4

Back

-1

Tags

CCSS.7.NS.A.1C

Front

Order from least to greatest: [10, -5, 3, 16, -1, 0, 1]

Back

-5, -1, 0, 1, 3, 10, 16

Tags

CCSS.6.NS.C.7A

CCSS.6.NS.C.7B

Front

What is a variable in mathematics?

Back

A symbol used to represent an unknown value, often denoted by letters like x, y, or z.

Tags

CCSS.6.EE.A.2B

Front

What is an expression in math?

Back

A combination of numbers, variables, and operators (like +, -, ×, ÷) that represents a value.

Tags

CCSS.6.EE.A.2B

Front

What does it mean to simplify an expression?

Back

To reduce an expression to its simplest form by combining like terms and performing operations.

Tags

CCSS.7.EE.A.1

Front

What is the difference between a constant and a variable?

Back

A constant is a fixed value that does not change, while a variable can represent different values.

Tags

CCSS.6.EE.A.2B

Front

What is the order of operations in math?

Back

The order is Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).

Tags

CCSS.7.NS.A.3