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# Unit: Multiplication and division

Not feeling ready for this? Check out Get ready for 4th grade.

#### 0

Possible mastery points

## Multiplication by 10s, 100s, and 1000s

Practice
Multiply 1-digit numbers by 10, 100, and 1000Get 5 of 7 questions to level up!
Multiplying 10sGet 5 of 7 questions to level up!

## Multi-digit multiplication: place value and area models

#### Quiz 1

Level up on the above skills and collect up to 600 Mastery points

## Multi-digit multiplication: standard algorithm

Practice
Multiply without regroupingGet 5 of 7 questions to level up!
Multiply with regroupingGet 5 of 7 questions to level up!
Multiply 2-digit numbersGet 5 of 7 questions to level up!

## Comparing with multiplication

#### Quiz 2

Level up on the above skills and collect up to 500 Mastery points

## Division problems that work out nicely

Practice
Cancel zeros when dividing Get 5 of 7 questions to level up!

## Division: place value and area

Practice
Divide using place valueGet 3 of 4 questions to level up!
Divide by 1-digit numbers with area modelsGet 3 of 4 questions to level up!

## Multi-digit division

Practice
Zeros in the dividend (no remainders)Get 3 of 4 questions to level up!
Zeros in the quotient (no remainders)Get 3 of 4 questions to level up!

#### Quiz 3

Level up on the above skills and collect up to 700 Mastery points

## Remainders

Practice
Interpret remaindersGet 3 of 4 questions to level up!
Divide with remainders (2-digit by 1-digit)Get 3 of 4 questions to level up!

## Multiplication, division word problems

Practice
Multiplication and division word problemsGet 5 of 7 questions to level up!
2-step estimation word problemsGet 3 of 4 questions to level up!
Multi-step word problems with whole numbersGet 3 of 4 questions to level up!

#### Quiz 4

Level up on the above skills and collect up to 700 Mastery points
Up next for you:

#### Unit test

Level up on all the skills in this unit and collect up to 2500 Mastery points!

### About this unit

Let's continue on the multiplication and division adventure that was started in third grade. We'll think about multiplying and dividing with whole numbers and discover that sometimes we have a leftover, or a remainder, when we divide. These tutorials will also help you get comfortable with multiplying multi-digit numbers, long division, and solving word problems. Let's do this people!