Fractions and Decimals Review

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1 Getting Started
2 Watch and Notice
3 Try It Together
4 Work It in Your Copy
5 Class Challenge
Pupil practice

1 - Getting Started ~4 mins

Illustration for Getting Started Look at these two maths tools on the board: a pizza cut into slices and a grid of tenths.

If I asked you to show me one half, how would you show it on the pizza? And could you show the same one half on the grid too?

Teacher Notes

Take three hands-up answers, not open call-outs. You are fishing for the idea that one half can be shown on the pizza (two slices, one shaded) and on the grid (five of the ten little squares) — that both pictures show the same amount. Do not correct or confirm yet; just gather what pupils notice.

👇 Mark your steps as done as you complete them.

+5 XP

2 - Watch and Notice ~9 mins

Each pizza on the interactive shows a fraction shaded, and some carry a decimal name in the label underneath. Look at how the piece size depends on the number of slices on each pizza, and read each fraction and decimal together.

Teacher Notes

One quarter (4 slices, 1 shaded): pause on the prediction before revealing the next pizza. More equal parts means smaller pieces.

Three fifths (5 slices, 3 shaded): read it together. It is also 0.6, but today we only name it. Head off the idea that every fraction has a decimal to memorise.

One half (2 slices, 1 shaded) is 0.5: decimal is in the label. Same amount, two ways of writing it. Read together as nought point five. This is the key equivalence for the module.

Three tenths (10 slices, 3 shaded) is 0.3. Link the three shaded tenths to the digit after the point.

One quarter (4 slices, 1 shaded) is 0.25: point back to the very first pizza, the same shaded quarter now with a decimal. Flag 0.25, they shade it again in the Class Challenge.

👇 Mark your steps as done as you complete them.

+10 XP

3 - Try It Together ~8 mins

Now we build and name fractions together on the pizza. First one third, then three quarters, then seven tenths, and finally one half again so we can say its decimal.

Note

Some of these have a decimal twin and some are name-only:

One half is also 0.5.
Seven tenths is also 0.7.
Three quarters is also 0.75.
One third is name-only, no tidy decimal today.

Predict what each one will look like before we cut it.

Build and name the fraction

Teacher Notes

This round is for talking it through together — pupils take turns at the board and the class agrees or corrects out loud.

Call a pupil up for each fraction in order: one third (3 slices, 1 shaded), three quarters (4 slices, 3 shaded — check they are still equal), seven tenths (10 slices, 7 shaded), and back to one half (2 slices, 1 shaded). For the ones with a decimal twin — one half (0.5) and seven tenths (0.7) — ask the class to read the decimal in the label aloud. Between builds, ask a quick class question (are all your pieces really the same size?) and revoice a pupil's prediction so the watching class stays with the sequence.

+15 XP

4 - Work It in Your Copy ~3 mins

COPYBOOK MOMENT

Before you open your copy, we work one example together on the board.

Find one third of 6 by sharing into equal groups.

Draw 6 dots.
Share them into 3 equal groups (the bottom number tells how many groups).
Count how many land in one group. That amount is one third of 6.

Each group has 2, so one third of 6 is 2.

Now order fractions that share the same bottom number. Look at one fourth, three fourths and two fourths. Bottoms match, so compare only the tops: smallest top is the smallest fraction. Order: one fourth, two fourths, three fourths. A quick shaded bar beside the line proves it climbs.

In your maths copy, show me three things you learned this module:

Find one quarter of 8
Write one half as a decimal
Order one fifth, three fifths and two fifths from smallest to biggest

Draw a quick shaded bar beside the ordering to prove your line climbs.

Teacher Notes

Model share-into-groups on the board before copies open. Worked steps for one third of 6: draw 6 dots, ring into 3 equal groups, count 2 per group, write one third of 6 = 2. Slip to watch: pupils who shade 3 of 6 as a picture instead of sharing the 6 into 3 groups.

Quick ordering model with fourths (not the copy fifths): bottoms same, tops decide size. Revoice, same bottom means we only look at how many parts we mean.

Release the three copy tasks. Walk the room glancing at three things: that one quarter of 8 is shared into 4 groups (answer 2), that one half is written 0.5 (not 0.2), and that the ordering reads one fifth, two fifths, three fifths. This is whole-class copybook practice, not marking, prompt, don't correct on the page.

+10 XP

5 - Class Challenge ~8 mins

Key point

Now we work through these together on the pizza, and each one is a step harder: shade 0.1, then 0.5, then 0.3, and finally 0.25. Predict where each shading will land before we check it.

The last one, 0.25, links back to a fraction you have already met, so predict the slices and the shading before you check.

Shade the decimal

Teacher Notes

These are the practice questions — pupils take turns at the board, check each answer, and the class confirms before moving on. Keep the board work brisk rather than over-explaining.

Each target is a decimal the class must shade on the pizza; the slice count is set per target. 0.1 → one tenth (10 slices, 1 shaded); 0.5 → one half (change to 2 slices, shade 1); 0.3 → three tenths; 0.25 → one quarter (change to 4 slices, shade 1). Because pupils saw one quarter is 0.25 in Watch and Notice, this is a check of that link, not a new idea. After each, ask does the shaded amount match both the decimal and its fraction name? Press Check and use the ✓ as part of your narration.

+15 XP

Pupil practice

Module 3 · Fractions and First Decimals Number

Lesson 42 · Fractions and Decimals Review

Download Activity Book page (PDF)

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Teacher Class Feed

1 - Getting Started ~4 mins

2 - Watch and Notice ~9 mins

3 - Try It Together ~8 mins

Build and name the fraction

4 - Work It in Your Copy ~3 mins

5 - Class Challenge ~8 mins

Shade the decimal

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