Expressions

Front

What is an expression in mathematics?

Back

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

Tags

CCSS.6.EE.A.2B

Front

What does the variable 'w' represent in the expression 8w + t?

Back

The variable 'w' represents the number of weeks worked.

Tags

CCSS.HSA-SSE.A.1A

Front

What does the variable 't' represent in the expression 8w + t?

Back

The variable 't' represents the amount of tips earned.

Tags

CCSS.6.EE.A.2B

Front

How do you evaluate the expression (c-a)^b when a=2, b=3, c=4?

Back

Substitute the values: (4-2)^3 = 2^3 = 8.

Tags

CCSS.6.EE.A.2C

Front

What is the coefficient in the expression 8w + t?

Back

The coefficient is the number before the variable, which is 8 in this case.

Tags

CCSS.6.EE.A.2B

Front

Evaluate the expression 2b + 3 when b = 7.

Back

2(7) + 3 = 14 + 3 = 17.

Tags

CCSS.6.EE.A.2C

Front

What is the result of b^2 + 4 when b = 3?

Back

3^2 + 4 = 9 + 4 = 13.

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 a constant in an expression?

Back

A constant is a fixed value that does not change.

Tags

CCSS.6.EE.A.2B

Front

What is the difference between an expression and an equation?

Back

An expression does not have an equality sign, while an equation does.