In and Out Boxes

Front

What is an 'In and Out Box'?

Back

An 'In and Out Box' is a method used to visualize and solve problems involving functions, where inputs (in) are transformed into outputs (out) based on a specific rule.

Front

What does it mean to 'add' in a function?

Back

To 'add' in a function means to increase the input value by a certain number to find the output.

Front

What does it mean to 'subtract' in a function?

Back

To 'subtract' in a function means to decrease the input value by a certain number to find the output.

Front

If Aaron is 7 years older than Jamie, how do you find Jamie's age if you know Aaron's age?

Back

Subtract 7 from Aaron's age to find Jamie's age.

Front

When Aaron is 48, how old is Jamie?

Back

Jamie will be 41, because Aaron is 7 years older.

Front

If Helen found 19 water bottles and then 73, what is the function to find the total?

Back

Add 54 to 19 to get 73.

Front

If Dan put 48 books in a bin and 30 were left, how many books were taken out?

Back

Subtract 18 from 48 to find that 18 books were taken out.

Front

If Tyler brought 76 apples and 45 were left, how many were eaten?

Back

Subtract 31 from 76 to find that 31 apples were eaten.

Front

What is the function if you have an initial amount and a final amount?

Back

The function is to subtract the final amount from the initial amount.

Front

How do you determine the change in a quantity?

Back

To determine the change, subtract the original quantity from the new quantity.