Christmas Math

Front

What is subtraction?

Back

Subtraction is the process of taking one number away from another. For example, if you have 10 cookies and eat 3, you have 10 - 3 = 7 cookies left.

Front

How do you find the total number of items?

Back

To find the total number of items, you add the quantities together. For example, if you have 9 reindeer and 10 elves, the total is 9 + 10 = 19.

Front

What is multiplication?

Back

Multiplication is a way to add the same number several times. For example, if you have 6 trays of cookies with 12 cookies on each tray, you can find the total cookies by multiplying: 6 x 12 = 72.

Front

What is division?

Back

Division is the process of splitting a number into equal parts. For example, if you have 400 candy canes and want to put them into boxes of 8, you divide: 400 ÷ 8 = 50 boxes.

Front

What is a word problem in math?

Back

A word problem is a math question written in words that requires you to use math to find the answer. For example, 'Mary baked 725 cookies and 527 were eaten. How many are left?'

Front

What does 'left over' mean in math?

Back

'Left over' refers to what remains after some has been taken away. For example, if you have 10 candies and eat 3, you have 7 candies left over.

Front

How do you calculate how many items are left after some are taken away?

Back

To calculate how many items are left, subtract the number taken away from the total number. For example, 725 cookies - 527 eaten = 198 cookies left.

Front

What is the importance of estimating in math?

Back

Estimating helps you get a rough idea of what the answer might be before doing the exact calculation. It can save time and help check if the final answer is reasonable.

Front

What is a total?

Back

The total is the sum of all parts. For example, if you have 5 apples and 3 oranges, the total number of fruits is 5 + 3 = 8.

Front

What is a tray in baking?

Back

A tray is a flat, shallow container used to hold cookies or other baked goods. Each tray can hold a certain number of items.