2-digit subtraction without regrouping

Front

80 - 50 = ?

Back

30

Tags

CCSS.1.NBT.C.5

Front

33 - 10 = ?

Back

23

Tags

CCSS.1.NBT.C.5

Front

90 - 40 = ?

Back

50

Tags

CCSS.1.NBT.C.5

Front

45 - 30 = ?

Back

15

Tags

CCSS.2.NBT.B.5

Front

56 - 33 = ?

Back

23

Tags

CCSS.2.NBT.B.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 when you rearrange 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

How do you subtract 2-digit numbers without regrouping?

Back

You subtract the digits in each place value directly without needing to borrow.

Tags

CCSS.2.NBT.B.7