Input/Output Tables Subtracting

Front

What is an input/output table?

Back

An input/output table is a way to organize numbers and show how one number changes to another using a rule.

Front

What does 'subtract' mean?

Back

To subtract means to take one number away from another.

Front

What is a rule in an input/output table?

Back

A rule is a mathematical operation that tells you how to change the input to get the output.

Front

If the rule is 'minus 4', what is the output when the input is 10?

Back

The output is 6 (10 - 4 = 6).

Front

What is the missing number if the input is 15 and the rule is 'minus 5'?

Back

The missing number is 10 (15 - 5 = 10).

Front

How do you find the output in an input/output table?

Back

You apply the rule to the input number to find the output.

Front

What does 'borrow and regroup' mean in subtraction?

Back

It means to take from a higher place value to help subtract when the top number is smaller than the bottom number.

Front

If the rule is 'minus 3', what is the output when the input is 8?

Back

The output is 5 (8 - 3 = 5).

Front

What is the output if the input is 20 and the rule is 'minus 10'?

Back

The output is 10 (20 - 10 = 10).

Front

What is the rule if the input is 12 and the output is 8?

Back

The rule is 'minus 4' (12 - 4 = 8).