➕ 4th Grade Math · Unit 4

Dividing Multi-Digit Numbers

9 short narrated lessons in 2 chapters, each with pictures, a quiz with a hint and a second try, and an explanation for every answer.

Standards: 4.NBT.B.6 4.OA.A.3

Picture from the lesson “What Is a Remainder?”
What Is a Remainder?
Picture from the lesson “Dividing Tens and Hundreds”
Dividing Tens and Hundreds
Picture from the lesson “What Do We Do with the Remainder?”
What Do We Do with the Remainder?

What your child will learn

Division with remainders

  1. What Is a Remainder?Divide a number into equal groups and name the amount left over as the remainder.
  2. Dividing Tens and HundredsDivide multiples of ten, one hundred and one thousand by a one-digit number using basic facts.
  3. What Do We Do with the Remainder?Decide whether to drop, round up or use the remainder to answer a division word problem.
  4. Division with Remainders Review ReviewReview dividing with remainders and deciding what to do with a remainder.

Dividing bigger numbers

  1. Division with an Area ModelDivide a three-digit number by a one-digit number using an area model with unknown side lengths.
  2. Partial QuotientsDivide a multi-digit number by a one-digit number by subtracting easy multiples of the divisor.
  3. Dividing Four-Digit NumbersDivide a four-digit number by a one-digit number, recording each step by place value.
  4. Dividing Bigger Numbers Review ReviewReview dividing up to four-digit numbers by one-digit divisors.
  5. Unit 4 Test: Dividing Big NumbersShow what you learned in the whole unit (Division with remainders, Dividing bigger numbers) by answering mixed questions.

Try a question from this unit

From the lesson “What Is a Remainder?”

What is 17 ÷ 5?

  • 3 R2
  • 4 R1
  • 3 R3
  • 2 R7
Show the answer

3 R2. 5 times 3 is 15, and 17 minus 15 is 2. So 17 divided by 5 is 3 remainder 2.

Hint kids see after a wrong try: “Which multiple of 5 is closest to 17 without going over?”

Key words

  • remainder
  • quotient
  • divisor
  • dividend
  • basic fact
  • interpret
  • area model
  • partial quotients

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