Addition within 20

Front

What is the sum of 4 and 7?

Back

11

Tags

CCSS.2.OA.C.3

Front

What is the sum of 3 and 8?

Back

11

Tags

CCSS.1.OA.A.1

Front

What is the sum of 4 and 8?

Back

12

Tags

CCSS.2.OA.C.3

Front

What is the sum of 9 and 7?

Back

16

Tags

CCSS.2.OA.C.3

Front

What is the sum of 7 and 10?

Back

17

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 numbers in an addition problem does not change the sum.

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 an addition problem does not change the sum.

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 on a straight line, used to help understand addition by showing the distance between numbers.

Tags

CCSS.2.MD.B.6

Front

How can you use objects to visualize addition?

Back

Using physical objects like counters or blocks can help visualize the process of addition by physically combining groups.

Tags

CCSS.1.OA.A.1