Understanding Subtraction with Real Cats

How many cats were at the pet party in total?

• 23

• 51

• 28

• 5

How many pets at the party were not real cats?

• 51

• 28

• 23

• 5

What kind of math problem helps find how many real cats are left?

• Addition

• Multiplication

• Subtraction

• Division

When setting up 51 minus 23, what number goes in the tens place for 51?

• 1

• 5

• 2

• 3

When setting up 51 minus 23, what number goes in the ones place for 51?

• 5

• 1

• 2

• 3

When setting up 51 minus 23, what number goes in the tens place for 23?

• 1

• 5

• 2

• 3

When setting up 51 minus 23, what number goes in the ones place for 23?

• 5

• 1

• 2

• 3

Can you take away 3 ones from 1 one?

• Yes

• No

• Maybe

• Only if you add

What should you do if you cannot subtract the ones?

• Add more ones

• Borrow from the tens place

• Ignore the ones

• Start over

After taking one ten from 5 tens, how many tens are left?

• 5

• 4

• 1

• 0