Front

25 + 42 =

Back

67

Tags

CCSS.2.NBT.B.5

Front

83 - 53 =

Back

30

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

67 + 22 =

Back

89

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

42 - 23 =

Back

19

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

59 - 33 =

Back

26

Tags

CCSS.2.NBT.B.5

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 subtraction?

Back

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

Tags

CCSS.2.NBT.B.7

Front

What is a two-digit number?

Back

A two-digit number is a number that has two places, such as 10 to 99.

Tags

CCSS.1.NBT.A.1

Front

What does the '+' sign mean?

Back

The '+' sign means to add numbers together.

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

Front

What does the '-' sign mean?

Back

The '-' sign means to subtract one number from another.

Tags

CCSS.7.NS.A.1C