Multiplication and division

Multiplication by 10s, 100s, and 1000s

Learn

Multiplying 1-digit numbers by 10, 100, and 1000
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Multiplying 1-digit numbers by multiples of 10, 100, and 1000
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Multiplying 10s
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Practice

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

Learn

More ways to multiply
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Multiplying with distributive property
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Multiplying with area model: 6 x 7981
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Multiplying with area model: 78 x 65
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Multiplying with area model: 16 x 27
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Relate multiplication with area models to the standard algorithm
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Practice

Multiply using place valueGet 3 of 4 questions to level up!
Multiply 2-, 3-, and 4-digits by 1-digit with area modelsGet 3 of 4 questions to level up!
Multiply 2-digit numbers with area modelsGet 3 of 4 questions to level up!

Multi-digit multiplication: standard algorithm

Learn

Multiplying 2-digit by 1-digit
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Multiplying 3-digit by 1-digit
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Multiplying: 2-digit by 1-digit (regrouping)
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Multiplying 3-digit by 1-digit (regrouping)
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Multiplying 4-digit by 1-digit (regrouping)
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Multiplying 2-digit numbers
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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

Learn

Comparing with multiplication: basics
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Comparing with multiplication: giraffe
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Comparing with multiplication: money
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Comparing with multiplication: age
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Comparing with multiplication: magic
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Practice

Compare with multiplicationGet 5 of 7 questions to level up!
Compare with multiplication word problemsGet 3 of 4 questions to level up!

Division problems that work out nicely

Learn

Quotients that are multiples of 10
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Canceling zeros when dividing
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Practice

Quotients that are multiples of 10Get 5 of 7 questions to level up!
Cancel zeros when dividing Get 5 of 7 questions to level up!

Division: place value and area

Learn

Division using place value
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Division with area models
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Practice

Divide using place valueGet 5 of 7 questions to level up!
Divide by 1-digit numbers (visual models)Get 3 of 4 questions to level up!

Multi-digit division

Learn

Intro to long division (no remainders)
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Long division: 280÷5
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Practice

Divide by 1-digit numbers (no remainders)Get 5 of 7 questions to level up!
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!

Remainders

Learn

Intro to remainders
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Understanding remainders
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Interpreting remainders
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Worked example: Long division with remainders: 3771÷8
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Worked example: Long division with remainders: 2292÷4
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Practice

Intro to remaindersGet 5 of 7 questions to level up!
Divide with remainders (basic)Get 3 of 4 questions to level up!
Divide with remaindersGet 3 of 4 questions to level up!

Multiplication, division word problems

Learn

Division word problem: field goals
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Multiplication word problem: pizza
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Practice

Multiplication and division word problemsGet 5 of 7 questions to level up!
Multi-step estimation word problemsGet 3 of 4 questions to level up!
Represent multi-step word problems using equationsGet 3 of 4 questions to level up!
Multi-step word problems with whole numbersGet 3 of 4 questions to level up!

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!