Evaluate Expressions

Front

What does it mean to evaluate an expression?

Back

To evaluate an expression means to calculate its value by substituting variables with numbers and performing the necessary operations.

Tags

CCSS.6.EE.A.2C

Front

If x = 3, what is the value of x + 4?

Back

7

Tags

CCSS.6.EE.A.2C

Front

If p = -6, what is the value of -10(p + 4)?

Back

20

Tags

CCSS.6.EE.A.2C

Front

Evaluate -2x + -3y if x = 10 and y = -6.

Back

-2

Tags

CCSS.6.EE.A.2C

Front

What is the value of 3x + 8 if x = 2?

Back

14

Tags

CCSS.6.EE.A.2C

Front

Evaluate 7y - 3y for y = 2.

Back

8

Tags

CCSS.6.EE.A.2C

Front

What is a variable in mathematics?

Back

A variable is a symbol, often a letter, that represents a number in mathematical expressions or equations.

Tags

CCSS.6.EE.A.2B

Front

What is the order of operations in mathematics?

Back

The order of operations is a set of rules that determines the sequence in which calculations are performed: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).

Tags

CCSS.7.NS.A.3

Front

What does it mean to substitute a value in an expression?

Back

To substitute a value means to replace a variable in an expression with a specific number.

Tags

CCSS.6.EE.A.2C

Front

If x = 5, what is the value of 2x + 3?

Back

13

Tags

CCSS.6.EE.A.2C