Adding Whole numbers

Front

What is the process of adding whole numbers called?

Back

Addition.

Front

If I have 5 apples and I buy 3 more, how do I find the total number of apples?

Back

Add the two quantities: 5 + 3 = 8 apples.

Front

What is the sum of 10 and 15?

Back

25.

Front

How do you represent the addition of two numbers in a mathematical equation?

Back

Using the plus sign (+), for example, a + b.

Front

If a book costs $6 and I want to buy 4 books, how do I calculate the total cost?

Back

Multiply the cost of one book by the number of books: 6 * 4 = $24.

Front

What is the term for the result of adding two or more numbers?

Back

Sum.

Front

If I have 12 marbles and I give away 4, how do I find out how many I have left?

Back

Subtract the number given away from the total: 12 - 4 = 8 marbles.

Front

What is the addition of 0 to any number?

Back

The number remains the same; for example, 5 + 0 = 5.

Front

How can you check if your addition is correct?

Back

You can use the inverse operation, subtraction, to verify your answer.

Front

What is the sum of 8, 7, and 5?

Back

20.