2-Digit Addition and Subtraction with and without Regrouping

Front

What is 23 + 48?

Back

71

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

What is 43 + 16?

Back

59

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

What is 41 + 33?

Back

74

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

What is 74 - 31?

Back

43

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

If John has 65 erasers and 29 pencils, how many does he have in total?

Back

94

Tags

CCSS.2.NBT.B.6

Front

What does regrouping mean in addition?

Back

Regrouping is when you carry over a value to the next column when the sum exceeds 10.

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

What does regrouping mean in subtraction?

Back

Regrouping is when you borrow from the next column when the top number is smaller than the bottom number.

Tags

CCSS.7.NS.A.1C

Front

What is the sum of two numbers?

Back

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

Tags

CCSS.1.OA.A.1

Front

What is the difference in subtraction?

Back

The difference is the result of subtracting one number from another.

Tags

CCSS.5.NBT.B.7

Front

What is a 2-digit number?

Back

A 2-digit number is a number that has two places, such as 10 to 99.

Tags

CCSS.1.NBT.A.1