Decomposing two and three digit subtraction

Front

What is subtraction?

Back

Subtraction is taking away one number from another. It shows how many are left.

Front

What does it mean to decompose a number in subtraction?

Back

Decomposing a number means breaking it down into smaller parts to make subtraction easier.

Front

56 - 28 = ?

Back

28

Tags

CCSS.2.NBT.B.5

Front

114 - 39 = ?

Back

75

Tags

CCSS.2.NBT.B.5

Front

109 - 47 = ?

Back

62

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

75 - 27 = ?

Back

48

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

If you have 43 balloons and 15 are red and 12 are yellow, how many are blue?

Back

16

Tags

CCSS.2.OA.A.1

Front

What is the first step in solving a subtraction problem?

Back

Identify the numbers you are subtracting.

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, like 10 to 99.

Tags

CCSS.1.NBT.A.1

Front

What is a three-digit number?

Back

A three-digit number is a number that has three places, like 100 to 999.

Tags

CCSS.2.NBT.A.3