2nd Grade - Mental Math

Front

836 + 100

Back

936

Tags

CCSS.2.NBT.B.7

Front

350 + 10

Back

360

Tags

CCSS.1.NBT.C.5

Front

100 + 100

Back

200

Tags

CCSS.1.NBT.C.5

Front

300 + 300

Back

600

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is addition?

Back

Addition is the process of finding the total or sum by combining two or more numbers.

Tags

CCSS.1.OA.A.1

Front

What is a sum?

Back

The sum is the result of adding two or more numbers together.

Tags

CCSS.1.OA.A.1

Front

What does it mean to add 10?

Back

Adding 10 means increasing a number by ten.

Tags

CCSS.1.NBT.C.5

Front

What is the value of 100 + 200?

Back

300

Tags

CCSS.2.NBT.B.8

Front

What is mental math?

Back

Mental math is doing calculations in your head without using paper or a calculator.

Front

What is the commutative property of addition?

Back

The commutative property states that changing the order of the numbers you are adding does not change the sum.

Tags

CCSS.1.OA.B.3