Basic Addition Facts

Front

What is the sum of 3 and 5?

Back

8

Tags

CCSS.2.OA.C.3

Front

What is the sum of 2 and 8?

Back

10

Tags

CCSS.2.OA.C.3

Front

What is the sum of 6 and 3?

Back

9

Tags

CCSS.2.OA.C.3

Front

What is the sum of 9 and 9?

Back

18

Tags

CCSS.1.OA.C.6

CCSS.2.OA.B.2

Front

What is the sum of 5 and 5?

Back

10

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 number (e.g., a + 0 = a).

Tags

CCSS.1.OA.B.3

Front

What is a number line and how is it used in addition?

Back

A number line is a visual representation of numbers in a straight line, used to illustrate addition by moving to the right for positive sums.

Tags

CCSS.2.MD.B.6