Input/Output

Vocabulary

100

A "This" from a set X to a set Y assigns to each element of X exactly one element of Y.

What is a "Function"?

200

The set of values (elements) we are allowed to plug into our function.

What is the "Domain"?

300

The set of values (elements) we obtain from plugging Domain values into our function.

What is the "Range"?

400

A collection of elements (usually numbers).

What is a "Set"?

500

A table that shows the relationship between sets of numbers that always follow the same rule.

What is an "Input/Output Table"?

Find the Rule

100

What is the rule of this table 

in 2 = out 1

in 3 = out 2

in 4 = out 3

x-1=y

200

What is the equation of 

In 3 = out 6

In 6 = out 9

In 9 = out 12

x+3=7

300

What is the equation of this table? 

In 12 = Out 24

In 10 = Out 20 

In 8 = Out 16

a x 2 = b

400

What is the equation for this table?

In 2 = Out 12

In 4 = Out 24

In 6 = Out 36

a x 6 = b

500

What is the equation of this table ? 

In 16 = Out 2

In 24 = Out 3

In 32 = Out 4 

a / 8 = b

Find the Missing Output

100

In 10 = Out 12

In 15 = Out 17

In 20 = Out ?

22

200

In 4 = Out 1

In 8 = Out 2

In 12 = Out ?

3

300

In 22 = Out 17

In 26 = Out 21 

In 30 = Out ?

25

400

In 3 = Out 1

In 9 = Out 3

In 15 = Out ?

5

500

In 7 = Out 35

In 9 = Out 45

In 11= Out ?

55

Solving for Variable

100

x + 21 = 85

x = 64

200

8x = 96

x = 12

300

x / 25 = 100

x = 2500

400

4x + 25 = 105

x = 20

500

x²  + 5 = 30

x = 5

Evaluating Expressions

100

t + 24 

t = 63

87

200

7x 

x = 9

63

300

4x + 17

x = 12

65

400

(63 - 9) / x

x = 9

6

500

(m-2) x 5 +3

m = 7

28