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4th grade math · Unit 3: Division

How to do long division

What this lesson shows

Divide, multiply, subtract, bring down.

The worked example

The lesson works this one step by step: 852 ÷ 3. Then your kid tries one like it on paper.

The steps

  1. Divide
  2. Multiply
  3. Subtract
  4. Bring down

Helping at home

Say the four moves out loud each round. After subtracting, check that what is left is smaller than the number you divide by. Check at the end by multiplying back.

If your kid gets stuck

Say the four moves out loud as you go.

Watch it with Lux

With Lux, this lesson is a narrated video and a printed page your kid works on. Then Lux helps with the same math on their own worksheet, one question at a time.

See how Lux works

Standards

  • Common Core 4.NBT.B.6
    Find whole-number quotients and remainders with up to four-digit dividends and one-digit divisors, using strategies based on place value, the properties of operations, and/or the relationship between multiplication and division. Illustrate and explain the calculation by using equations, rectangular arrays, and/or area models.
Matches a standard in all 50 states and DCSee each state's code

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