Mathematics

Front

What is a number?

Back

A number is a mathematical object used to count, measure, and label.

Front

What does it mean to find the missing number?

Back

Finding the missing number means identifying a number that completes a sequence or equation.

Front

How do you count objects?

Back

You count objects by assigning a number to each object in a one-to-one correspondence.

Front

What is the number after 10?

Back

The number after 10 is 11.

Front

What is the number before 9?

Back

The number before 9 is 8.

Front

What does it mean to break apart a number?

Back

Breaking apart a number means separating it into smaller parts or addends.

Front

If you have 3 and you break it apart into 1 and ___, what is the missing number?

Back

The missing number is 2.

Front

What is addition?

Back

Addition is the process of combining two or more numbers to get a total.

Front

What is subtraction?

Back

Subtraction is the process of taking one number away from another.

Front

What is a sequence of numbers?

Back

A sequence of numbers is an ordered list of numbers that follow a particular pattern.