input/output tables- 4th grade

What do we call the pattern in an input/output table

• Rule

• Fred

• The pattern

• In and out

Input Output

4 8

5 10

6 12

7 ?

What number should the ? be

• 6

• 8

• 14

• 16

Input Output

4 8

5 10

6 12

7 ?

What is the rule?

• Add 4

• Multiply by 2

• keep adding 2

• there isn't one

Input Output

4 6

5 7

6 8

7 ?

What is the rule?

• Add 4

• Multiply by 2

• Add 2

• there isn't one

Input Output

4 6

5 7

6 8

7 ?

What number should the ? be

• 12

• 5

• 11

• 9

Input Output

4 6

5 8

6 10

7 ?

What number should the ? be

• 12

• 5

• 11

• 9

Input Output

4 6

5 8

6 10

7 ?

What is the rule?

• add 2

• multiply by 2

• add the next even number ( 2,4,6,8...)

• add the next odd number (1,3,5,7,...)