3.OA.8 Fun!

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

How do you find the total number of items left after using some?

Back

To find the total left, subtract the number of items used from the original total.

Front

If you have 531 blocks and use 240, how many blocks are left?

Back

531 - 240 = 291 blocks left.

Front

What is division?

Back

Division is the process of splitting a number into equal parts. It shows how many times one number fits into another.

Front

How do you divide items among people?

Back

To divide items among people, you take the total number of items and divide it by the number of people.

Front

If Sahil has 24 pencils and shares them with 6 friends, how many does each friend get?

Back

24 ÷ 6 = 4 pencils per friend.

Front

What is a goal in a math problem?

Back

A goal is the target number you want to reach or achieve in a problem.

Front

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

Back

Subtract the miles already biked from the total goal miles.

Front

If Michael biked 30 miles and his goal is 48 miles, how many more miles does he need?

Back

48 - 30 = 18 miles more needed.

Front

What is a budget in a money problem?

Back

A budget is a plan for how to spend money, showing how much you can spend after expenses.