Substitution 6.EE.2c

Front

What is substitution in algebra?

Back

Substitution is the process of replacing a variable with a number or another expression to evaluate an algebraic expression.

Front

If c = 3 and d = 5, what is the value of 3c + 2d?

Back

15

Front

What does the expression 5m - 2n represent?

Back

It represents a linear expression where m and n are variables that can be substituted with numbers.

Front

If m = 3 and n = 7, what is the value of 5m - 2n?

Back

1

Front

What is the value of m^2 when m = 9?

Back

81

Front

How do you evaluate an expression like 2x^2 - 10?

Back

Substitute the value of x into the expression and perform the operations.

Front

If x = 4, what is the value of 2x^2 - 10?

Back

22

Front

What is the formula for finding the area of a rectangle?

Back

Area = length × width, where length and width can be represented by variables.

Front

If a = 3, b = 4, and c = 5, what is the value of 3ab?

Back

36

Front

What is the difference between a variable and a constant?

Back

A variable is a symbol that represents a number that can change, while a constant is a fixed value.