Holiday Math Reasoning

Front

What is the sum of 10 and 9?

Back

19

Tags

CCSS.1.OA.C.6

CCSS.2.OA.B.2

Front

What is 7 plus 7?

Back

14

Tags

CCSS.1.OA.C.6

CCSS.2.OA.B.2

Front

What is the sum of 10 and 9 again?

Back

19

Tags

CCSS.1.OA.A.1

Front

What is 20 plus 20?

Back

40

Tags

CCSS.1.OA.C.6

CCSS.2.OA.B.2

Front

What is 12 plus 12?

Back

24

Tags

CCSS.1.OA.C.6

CCSS.2.OA.B.2

Front

Define addition.

Back

Addition is the mathematical operation of combining two or more numbers to get a total.

Tags

CCSS.5.NBT.B.7

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?

Back

A number line is a straight line with numbers placed at equal intervals along its length, used to represent numbers visually.

Tags

CCSS.2.MD.B.6

Front

What is a word problem in math?

Back

A word problem is a mathematical problem that is presented in the form of a story or real-life scenario.

Tags

CCSS.2.OA.A.1