2-digit subtraction without regrouping

Front

What is 45 - 30?

Back

15

Tags

CCSS.2.NBT.B.5

Front

What is 47 - 22?

Back

25

Tags

CCSS.2.NBT.B.5

Front

What is 55 - 32?

Back

23

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is 68 - 10?

Back

58

Tags

CCSS.1.NBT.C.5

Front

What is 33 - 10?

Back

23

Tags

CCSS.1.NBT.C.5

Front

What is subtraction?

Back

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

Tags

CCSS.2.NBT.B.7

Front

What does 'regrouping' mean in subtraction?

Back

Regrouping is rearranging numbers to make subtraction easier, usually when borrowing is needed.

Tags

CCSS.7.NS.A.1C

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

Front

What is the difference between 2 numbers?

Back

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

Tags

CCSS.7.NS.A.1C

Front

What is the term for the number being subtracted?

Back

The term is called the 'subtrahend.'

Tags

CCSS.7.NS.A.1C