Evaluate Expressions

Front

If x = 3, evaluate x + 4.

Back

7

Tags

CCSS.6.EE.A.2C

Front

Evaluate 7 + j if j = -2.

Back

5

Tags

CCSS.6.EE.A.2C

Front

Evaluate -2x if x = 10.

Back

-20

Tags

CCSS.6.EE.A.2C

Front

Evaluate r(r – 9) if r = 11.

Back

22

Tags

CCSS.6.EE.A.2C

Front

Evaluate 3x + 8 if x = 2.

Back

14

Tags

CCSS.6.EE.A.2C

Front

What is an expression in mathematics?

Back

An expression is a combination of numbers, variables, and operators (like +, -, *, /) that represents a value.

Tags

CCSS.6.EE.A.2B

Front

What does it mean to evaluate an expression?

Back

To evaluate an expression means to calculate its value by substituting variables with numbers.

Tags

CCSS.6.EE.A.2C

Front

What is a variable in mathematics?

Back

A variable is a symbol (often a letter) that represents an unknown value.

Tags

CCSS.6.EE.A.2B

Front

What is the order of operations?

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 is the value of x in the expression 2x + 3 = 11?

Back

x = 4.

Tags

CCSS.7.EE.B.4A