Represent Addition and Subtraction Problems - 3.5A

Front

What is addition?

Back

Addition is the process of finding the total or sum by combining two or more numbers.

Front

What is subtraction?

Back

Subtraction is the process of taking one number away from another to find the difference.

Front

What does the equal sign (=) mean?

Back

The equal sign means that the values on both sides are the same.

Front

How can you represent the problem: 'There are 5 apples and you buy 3 more'?

Back

5 + 3 = 8 apples.

Front

How can you represent the problem: 'You have 10 candies and give away 4'?

Back

10 - 4 = 6 candies left.

Front

What is a word problem?

Back

A word problem is a math problem written in the form of a story or real-life situation.

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.

Front

How do you find the total number of items sold?

Back

Add the number of each type of item sold together.

Front

What is the difference between two numbers?

Back

The difference is the result of subtracting one number from another.

Front

How can you check your addition?

Back

You can check your addition by using subtraction: if the sum plus the number you added equals the original number, it's correct.