Front

What is the sum of 1 and 7?

Back

8

Tags

CCSS.1.OA.A.1

Front

What is the sum of 4 and 5?

Back

9

Tags

CCSS.2.OA.C.3

Front

What is the sum of 1 and 9?

Back

10

Tags

CCSS.1.OA.A.1

Front

What is the sum of 2 and 4?

Back

6

Tags

CCSS.2.OA.C.3

Front

What is the sum of 7 and 2?

Back

9

Tags

CCSS.2.OA.C.3

Front

What is the definition of addition?

Back

Addition is the mathematical operation of combining two or more numbers to get a total.

Tags

CCSS.1.OA.A.1

Front

What is the commutative property of addition?

Back

The commutative property states that changing the order of the numbers being added does not change the sum (e.g., a + b = b + a).

Tags

CCSS.1.OA.B.3

Front

What is the associative property of addition?

Back

The associative property states that the way in which numbers are grouped when adding does not change the sum (e.g., (a + b) + c = a + (b + c)).

Tags

CCSS.1.OA.B.3

Front

What is the identity property of addition?

Back

The identity property states that adding zero to any number does not change the value of that number (e.g., a + 0 = a).

Tags

CCSS.1.OA.B.3

Front

How can you check if your addition is correct?

Back

You can check your addition by using the inverse operation, subtraction, to see if the original numbers can be retrieved from the sum.

Tags

CCSS.1.OA.A.1