Mathematics
Intermediate
50 mins
Teacher/Student led
+65 XP
What you need:
IWB/Projector/Large Screen

Dividing 2- and 3-digit Numbers by 1 Digit

Learn to divide 2- and 3-digit numbers by a single digit using the bus-stop method, starting from the largest place value and carrying remainders to the next column.

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    1 - Getting Started ~4 mins

    Illustration for Getting StartedHere is a real problem from the shop. A tray holds 84 fairy cakes and they are being packed equally into 4 boxes for a bake sale. Roughly how many cakes go in each box, and where would you start working it out?

    2 - Watch and Notice ~11 mins

    We will work these on the board one at a time, so only one sum is in focus at a moment. Watch the bus-stop bracket as we share the biggest place first, then work down through the columns. Notice what happens each time something is left over.

    3 - Try It Together ~9 mins

    Today we work these on the board together: 68 ÷ 4, then 78 ÷ 6, then 255 ÷ 5, and finally 615 ÷ 5. Each one is a bit trickier than the last, adding a new step — first a clean carry, then a bigger leftover, then a three-digit number, and last a case where the leftover has to be carried twice. We start on screen with 68 ÷ 4, then move to the others on the board. We share the biggest place first every time.

    Share the tens, then carry into the units

    4 - Work It in Your Copy ~3 mins

    COPYBOOK MOMENT

    In your maths copy, work these two divisions, setting out each step from the left. Write any remainder at the end after r.

    • 96 ÷ 4
    • 97 ÷ 4

    Share the biggest place first each time, and carry any leftover down to the next column before you share again. The second one does not share evenly, so it leaves a remainder.

    5 - Class Challenge ~8 mins

    Today we solve these division problems from around town together: 48 medals shared into 4 boxes; then €92 shared between 4 friends; then 246 steps split over 3 days; then 365 cans packed into 5 crates. The last two are three-digit numbers. Read the words carefully to spot that each one means sharing equally.

    Division problems around town

    Pupil practice
    Module 2 · The Four Operations: Mental and Written Number
    Lesson 28 · Dividing 2- and 3-digit Numbers by 1 Digit
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