Multiplication and Division Concepts

First a subtraction question for review:

What does the word DIFFERENCE mean?

• the answer to subtraction

• the answer to addition

• the answer to multiplication

• the answer to division

INVERSE OPERATIONS do the opposite of each other.

Which two sets are inverse opperations?

• Addition & Multiplication

• Addition & Subtraction

• Addition & Division

• Multiplication & Subtraction

Answer explanation

Addition puts together, while subtraction takes apart.

Multiplication and division are also inverse operations. Can you think why that is?

Adding 345 + 345 + 345 + 345 is called repeated addition.

Which equation does the same thing?

What is a factor?

• The answer to an addition problem

• A number added to another number

• A number multiplied by another number

• The number divided by another number

What is a remainder?

• The number of groups you are splitting it into

• The answer to a division problem

• The big number being split up

• The amount left over that is less than an equal group

Answer explanation

You could rewrite the problem as 6 x ___ = 42, which might make it easier to see and understand.

Which equation matches this array?

More than one may be correct!

Answer explanation

The first three answers demonstrate the commutative property of multiplication. Why is the division problem also true?

When it comes to dividing 4-digit dividends by a single-digit divisor I feel like:

• I am the world's best divider!

• I am pretty good at dividing.

• I know what division means, but doing the math? Yikes!

• I have no idea what division is.

What are you most looking forward to as the school year resumes? Why?