Addition Facts

Front

What is the sum of 6 and 6?

Back

12

Tags

CCSS.2.OA.C.3

Front

What is the sum of 8 and 8?

Back

16

Tags

CCSS.1.OA.C.6

CCSS.2.OA.B.2

Front

What is the sum of 10 and 4?

Back

14

Tags

CCSS.1.OA.C.6

CCSS.2.OA.B.2

Front

What is the sum of 8 and 2?

Back

10

Tags

CCSS.2.OA.C.3

Front

What is the sum of 10 and 10?

Back

20

Tags

CCSS.1.OA.C.6

CCSS.2.OA.B.2

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 addends 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 in addition 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 the sum of any number and zero is the number itself (e.g., a + 0 = a).

Tags

CCSS.1.OA.B.3

Front

How do you add two-digit numbers?

Back

To add two-digit numbers, align the numbers by place value, add the digits in the ones place, carry over if necessary, and then add the digits in the tens place.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2