Substituting Integers in Expressions

The process of substituting a given value for a variable and performing operations given following order of operations.

• equation

• evaluate

• expression

• substitution

Evaluate the Expression 3 + (a-7), a=12

• 6

• 7

• 9

• 8

Evaluate b² + 4

when b = 3

• 10

• 12

• 13

• 11

(-3 x 4) + (4 x -2) + (-3 x 3) =

Evaluate 12 ÷ a + 8

when a = 4

• 1

• 11

• 12

• 2

Evaluate 5n + 10 , n= 3

• 25

• 63

• 530

To find the numerical value of.  To ____ an expression, substitute the value(s) given for the variable(s) and perform the operations according to the Order of Operations.  For example, _____ 2x+y−10 when x=4 and y=3 gives the value 1.

• Analyze

• Question

• Evaluate

• Simplify