Substitution

Front

What is substitution in mathematics?

Back

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

Tags

CCSS.6.EE.A.2C

Front

If a = 3, b = 4, what is 2a + 3b?

Back

18

Tags

CCSS.6.EE.A.2C

Front

If p = 3 and q = 5, find p + q + 2.

Back

10

Tags

CCSS.6.EE.A.2C

Front

If y = 4, find the value of 3y + 5.

Back

17

Tags

CCSS.6.EE.A.2C

Front

Evaluate u + xy, for u = 18, x = 10, and y = 8.

Back

98

Tags

CCSS.6.EE.A.2C

Front

If a = 4, b = 5, and c = 6, find 2c - a - b.

Back

3

Tags

CCSS.6.EE.A.2C

Front

What is the value of x if 2x + 3 = 11?

Back

4

Tags

CCSS.7.EE.B.4A

Front

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

Back

33

Tags

CCSS.6.EE.A.2C

Front

What does it mean to evaluate an expression?

Back

To evaluate an expression means to calculate its value by substituting the variables with their respective numbers.

Tags

CCSS.6.EE.A.2C

Front

If x = 2 and y = 3, what is the value of 4x + 5y?

Back

27

Tags

CCSS.6.EE.A.2C