Christmas Math

Front

What is subtraction?

Back

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

Front

What is addition?

Back

Addition is the process of combining two or more numbers to find their total. For example, if you have 5 apples and you get 3 more, you have 5 + 3 = 8 apples.

Tags

CCSS.1.OA.A.1

Front

How do you find the difference between two numbers?

Back

To find the difference, you subtract the smaller number from the larger number. For example, to find the difference between 10 and 4, you calculate 10 - 4 = 6.

Tags

CCSS.2.OA.A.1

Front

What is multiplication?

Back

Multiplication is a way to add a number to itself a certain number of times. For example, 3 multiplied by 4 (3 x 4) means adding 3 four times: 3 + 3 + 3 + 3 = 12.

Tags

CCSS.3.OA.A.1

Front

What is a total?

Back

The total is the sum of all parts. For example, if you have 2 cookies and your friend gives you 3 more, your total number of cookies is 2 + 3 = 5.

Tags

CCSS.1.OA.A.1

Front

What is a row in multiplication?

Back

A row in multiplication refers to one group of items. For example, if you have 6 rows of 4 plants, you have 6 groups of 4.

Tags

CCSS.3.OA.A.1

Front

What does 'altogether' mean in math problems?

Back

'Altogether' means to combine all amounts to find a total. For example, if you have 5 toys and your friend has 3, altogether you have 5 + 3 = 8 toys.

Tags

CCSS.1.OA.A.1

Front

How do you calculate the total number of items in rows and columns?

Back

To calculate the total, multiply the number of rows by the number of items in each row. For example, 6 rows of 8 plants means 6 x 8 = 48 plants.

Tags

CCSS.3.OA.A.1

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, 'If you have 10 apples and give away 4, how many do you have left?'

Tags

CCSS.2.OA.A.1

Front

What is the importance of checking your work in math?

Back

Checking your work helps ensure that your answers are correct. You can do this by reviewing your calculations or using a different method to solve the problem.