Exploring Input-Output Tables with Addition and Subtraction

The video tutorial revisits input/output boxes focusing on addition and subtraction rules. It explains how to apply these rules in various scenarios, including solving an age difference problem using input/output tables. The tutorial emphasizes understanding tables in both vertical and horizontal orientations. The session concludes with a reminder about an upcoming class meeting.

What is the rule for the first input/output box?

• Subtract 2

• Add 5

• Add 2

• Subtract 5

If you subtract 5 from 17, what is the result?

• 14

• 15

• 12

• 10

What is the result of 14 minus 2?

• 16

• 14

• 12

• 10

What is the rule for the input/output box where the rule is to subtract 3?

• Subtract 3

• Add 3

• Subtract 2

• Add 2

What is the result of 9 minus 4?

• 3

• 4

• 6

• 5

How much older is Frank than Chris?

• 7 years

• 6 years

• 5 years

• 4 years

If Chris is 21 years old, how old is Frank?

• 30

• 29

• 28

• 27

What is the rule for finding Frank's age from Chris's age?

• Subtract 5

• Subtract 6

• Add 5

• Add 6

If Frank is 34 years old, how old is Chris?

• 28

• 40

• 30

• 29

Which choice best explains the rule for the age difference table?

• Subtract 6 from Chris's age to find Frank's age

• Subtract 7 from Frank's age to find Chris's age

• Add 6 to Chris's age to find Frank's age

• Add 6 to Frank's age to find Chris's age