Add and subtract DD digit no regrouping

Front

What is subtraction?

Back

Subtraction is the process of taking one number away from another. It shows how much is left after removing a part.

Tags

CCSS.7.NS.A.1D

Front

What does 'regrouping' mean in subtraction?

Back

Regrouping is when you rearrange numbers to make subtraction easier, usually by borrowing from the next higher place value.

Tags

CCSS.7.NS.A.1C

Front

What is the result of 98 - 83?

Back

15

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the result of 76 - 35?

Back

41

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the result of 93 - 53?

Back

40

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the first step in solving a subtraction problem?

Back

The first step is to line up the numbers by their place values (ones, tens, etc.).

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What do you do if the top number is smaller than the bottom number in subtraction?

Back

If the top number is smaller, you cannot subtract directly without regrouping.

Tags

CCSS.7.NS.A.1C

Front

What is the difference between addition and subtraction?

Back

Addition combines numbers to find a total, while subtraction finds the difference between numbers.

Tags

CCSS.1.OA.A.1

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

How do you check your subtraction answer?

Back

You can check your subtraction answer by adding the result to the number you subtracted.

Tags

CCSS.1.OA.A.1