Input/Output Charts - Patterns

Front

What is an input/output chart?

Back

An input/output chart shows how one set of numbers (inputs) relates to another set of numbers (outputs) through a specific rule.

Front

What does it mean to 'multiply' in math?

Back

To multiply means to add a number to itself a certain number of times. For example, 3 multiplied by 2 means 3 + 3.

Front

What does it mean to 'add' in math?

Back

To add means to combine two or more numbers to get a total. For example, 2 + 3 = 5.

Front

What is a 'pattern' in math?

Back

A pattern is a repeated or predictable sequence of numbers or shapes.

Front

If the rule is to 'multiply by 2', what is the output for an input of 4?

Back

The output is 8, because 4 multiplied by 2 equals 8.

Front

If the output is getting 'bigger', what does that mean?

Back

It means that as the input increases, the output also increases.

Front

How many people can 4 rafts hold if each raft holds 8 people?

Back

4 rafts can hold 32 people, because 4 multiplied by 8 equals 32.

Front

What is the rule if the output is 'multiply by 6' for a soccer team traveling in vans?

Back

It means that for every van, the number of people is 6 times the number of vans.

Front

If a table shows that 10 students need 1 teacher, how many teachers do 20 students need?

Back

20 students need 2 teachers, because the pattern is to multiply by 2.

Front

What does 'subtract' mean in math?

Back

To subtract means to take one number away from another. For example, 5 - 2 = 3.