Simple Substitution (Year 7 WRM)

Front

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

Back

8

Front

Evaluate 15 - m for m = 7.

Back

8

Front

What is the value of 2x - 6 when x = 4?

Back

2

Front

Substitute x = 3 into the expression 3x + 1.

Back

10

Front

Substitute x = 5 into the expression 4x + 5.

Back

25

Front

What does substitution mean in mathematics?

Back

Substitution is the process of replacing a variable with a number or another expression.

Front

What is the expression for the sum of a number x and 5?

Back

x + 5

Front

What is the expression for the difference between 15 and a number m?

Back

15 - m

Front

What is the expression for twice a number x minus 6?

Back

2x - 6

Front

What is the expression for three times a number x plus 1?

Back

3x + 1