What is the operation?

Front

What is addition?

Back

Addition is the mathematical operation of combining two or more numbers to get a total. For example, 2 + 3 = 5.

Tags

CCSS.1.OA.A.1

Front

What is subtraction?

Back

Subtraction is the mathematical operation of taking one number away from another. For example, 5 - 2 = 3.

Front

What is multiplication?

Back

Multiplication is the mathematical operation of repeated addition of the same number. For example, 4 x 3 = 12 (which is 4 + 4 + 4).

Tags

CCSS.3.OA.A.1

Front

What is division?

Back

Division is the mathematical operation of splitting a number into equal parts. For example, 12 ÷ 3 = 4.

Tags

CCSS.3.OA.A.2

Front

When do you use addition in word problems?

Back

Use addition when you are combining quantities or finding a total.

Tags

CCSS.1.OA.A.1

Front

When do you use subtraction in word problems?

Back

Use subtraction when you are finding the difference between two quantities or when something is taken away.

Tags

CCSS.2.OA.A.1

Front

When do you use multiplication in word problems?

Back

Use multiplication when you are finding the total of equal groups or scaling a number.

Tags

CCSS.3.OA.D.9

Front

When do you use division in word problems?

Back

Use division when you are splitting a quantity into equal parts or finding how many times one number fits into another.

Tags

CCSS.3.OA.A.3

Front

Example of a problem using addition: Serena and Jacquelyn hiked 5 miles on Monday and 3 miles on Tuesday. How many miles did they hike in total?

Back

5 + 3 = 8 miles.

Tags

CCSS.1.OA.A.1

Front

Example of a problem using subtraction: Justin had 12 rocks and gave away 3. How many rocks does he have left?

Back

12 - 3 = 9 rocks.

Tags

CCSS.2.OA.A.1