Using substitution to evaluate expressions

Front

Evaluate 2a + 4b if a = 10 and b = 6

Back

44

Front

What is the expression for h decreased by 13?

Back

h - 13

Front

Evaluate 7y - 3y for y=2

Back

8

Front

Evaluate 6a - 3d when a = 1 and d = 2

Back

0

Front

Evaluate 18 ÷ 2a if a=3

Back

3

Front

What does substitution mean in mathematics?

Back

Substitution is replacing a variable with a number or another expression.

Front

What is the value of x in the expression 5x + 3 when x = 2?

Back

13

Front

If a = 4, what is the value of 3a - 2?

Back

10

Front

What is the expression for 10 decreased by x?

Back

10 - x

Front

Evaluate 4b + 2a if a = 5 and b = 3

Back

26