Front

What is the result of 2 + 12?

Back

14

Tags

CCSS.1.OA.A.1

Front

What is the sum of 13 and 15?

Back

28

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

Calculate 25 + 15.

Back

40

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

What do you get when you add 19 and 15?

Back

34

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

What is 18 - 12?

Back

6

Tags

CCSS.2.OA.A.1

Front

Define addition in mathematical terms.

Back

Addition is the process of calculating the total of two or more numbers or amounts.

Tags

CCSS.1.OA.A.1

Front

What is the principle of subtraction?

Back

Subtraction is the process of taking one number away from another.

Tags

CCSS.2.OA.A.1

Front

Explain 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 addition does not change the sum.

Tags

CCSS.1.OA.B.3

Front

What is the difference between a sum and a difference?

Back

A sum is the result of addition, while a difference is the result of subtraction.

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2