Adding and Subtracting

Front

What is the sum of 64 and 15?

Back

79

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

What is the sum of 46 and 53?

Back

99

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

What is the sum of 53 and 43?

Back

96

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

What is the sum of 93 and 8?

Back

101

Tags

CCSS.2.NBT.B.6

Front

What is the sum of 86 and 12?

Back

98

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

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 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 illustrate addition by showing the movement from one number to another.

Tags

CCSS.2.MD.B.6

Front

How do you check the result of an addition problem?

Back

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

Tags

CCSS.HSN.CN.A.2