Halloween Math

Front

What is subtraction?

Back

Subtraction is the process of taking one number away from another. For example, if you have 5 apples and you give away 2, you have 3 apples left.

Front

How do you find out how many are left after selling?

Back

To find out how many are left after selling, subtract the number sold from the total number. For example, if there are 400 pumpkins and 267 are sold, 400 - 267 = 133 pumpkins are left.

Front

What is the meaning of 'how many more'?

Back

'How many more' asks for the difference between two amounts. For example, if one person has 42 candies and another has 25, you would find out how many more the first person has by subtracting: 42 - 25 = 17.

Front

What is the purpose of comparing numbers?

Back

Comparing numbers helps us understand the difference between two quantities. For example, comparing how many times two doorbells rang helps us see which one was more active.

Front

What is the meaning of 'less than'?

Back

'Less than' indicates a smaller amount. For example, if it takes Suzy 78 minutes to carve a pumpkin and Joe 135 minutes, Suzy takes less time.

Front

How do you calculate the difference between two times?

Back

To calculate the difference between two times, subtract the smaller time from the larger time. For example, if Joe takes 135 minutes and Suzy takes 78 minutes, 135 - 78 = 57 minutes.

Front

What is addition?

Back

Addition is the process of combining two or more numbers to find a total. For example, if you have 3 pumpkins and you get 2 more, you have 3 + 2 = 5 pumpkins.

Front

What does 'total' mean in math?

Back

'Total' refers to the sum of all parts. For example, if you have 57 doorbell rings and 43 more, the total is 57 + 43 = 100.

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, 'How many more candies does Jamie have than Mark?' is a word problem.

Front

What is the meaning of 'candy pieces'?

Back

'Candy pieces' refers to individual units of candy. For example, if Jamie has 192 pieces of candy, it means she has 192 individual candies.