Using substitution to evaluate expressions

Front

What is the sum of m and k?

Back

m + k

Front

Evaluate the expression: 4g + 2h + 4, where g = 3 and h = 9.

Back

34

Front

Which of the following is an algebraic expression? 1) 3 + 1 = 4 2) 4y = 12 3) y + 6 4) 7 - 2

Back

y + 6

Front

Evaluate 3x + 8 when x = 2.

Back

14

Front

Write an algebraic expression for '12 more than number'.

Back

x + 12

Front

What is an algebraic expression?

Back

An expression that contains numbers, variables, and operations.

Front

What does substitution mean in mathematics?

Back

Replacing a variable with a number or another expression.

Front

If a = 5, evaluate the expression 2a + 3.

Back

13

Front

What is the difference between an expression and an equation?

Back

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

Front

Evaluate the expression 5x - 2 when x = 4.

Back

18