3rd Grade Math NBT2, OA8

Front

What is subtraction?

Back

Subtraction is the process of taking one number away from another. It shows how many are left after some have been taken away.

Front

What is addition?

Back

Addition is the process of combining two or more numbers to find their total.

Front

What does it mean to round a number?

Back

Rounding a number means adjusting it to the nearest ten, hundred, etc., to make it easier to work with.

Front

How do you find the total amount of money left after spending?

Back

To find the total amount left, subtract the total amount spent from the original amount.

Front

What is a goal in math problems?

Back

A goal in math problems is the target number or amount you want to reach or achieve.

Front

How do you calculate how many more you need to reach a goal?

Back

To find out how many more you need, subtract the amount you have from the goal.

Front

What is a total?

Back

A total is the sum of all parts or amounts combined together.

Front

What is a word problem in math?

Back

A word problem is a math question that is presented in a story format, requiring you to extract the numbers and operations needed to solve it.

Front

What does 'how many left' mean?

Back

'How many left' asks for the remaining amount after some have been taken away or used.

Front

What is a number line?

Back

A number line is a straight line with numbers placed at equal intervals, used to represent numbers visually.