Addition and Subtraction of Whole Numbers

Front

What is the result of adding two whole numbers?

Back

The result of adding two whole numbers is called the sum.

Tags

CCSS.5.NBT.B.7

Front

What is the result of subtracting one whole number from another?

Back

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

Tags

CCSS.7.NS.A.1C

Front

If you have 21 candles and blow out some to leave 4 burning, how do you find out how many you blew out?

Back

You subtract the number of candles left burning (4) from the total number of candles (21): 21 - 4 = 17.

Tags

CCSS.2.OA.A.1

Front

How do you calculate the total number of spectators at an event if you know the number of men and women?

Back

You add the number of men to the number of women to find the total number of spectators.

Front

If Jack has 7 games and he has 4 more than Sam, how do you find out how many games Sam has?

Back

You subtract 4 from Jack's total: 7 - 4 = 3.

Tags

CCSS.2.OA.A.1

Front

What is the formula to calculate the total cost of multiple items with different prices?

Back

You add the cost of each item together to find the total cost.

Tags

CCSS.3.OA.D.8

Front

If Anna bought 3 hammers, one for $18 and two for $28 each, how do you calculate her total bill?

Back

Total bill = $18 + (2 * $28) = $18 + $56 = $74.

Tags

CCSS.7.NS.A.3

Front

How do you find the new total when you add more items to an existing total?

Back

You add the number of new items to the existing total: Existing total + New items = New total.

Tags

CCSS.1.OA.A.1

Front

If there are 1,030 books in a library and 6,708 more are bought, how do you find the total number of books?

Back

You add the existing number of books to the new books: 1,030 + 6,708 = 7,738.

Tags

CCSS.4.OA.A.3

Front

What is the importance of understanding addition and subtraction in real-life scenarios?

Back

Understanding addition and subtraction helps in making calculations for budgeting, shopping, and managing resources.

Tags

CCSS.2.OA.A.1