Read with an adult. Take your time. You can say, point, draw or write your answer.
1 Let's look together
A triangle has three straight sides. A rectangle has four straight sides and four square corners. A square is a special rectangle with four equal sides.
A circle has a curved edge and no corners. Turning a shape does not change its name.
Look, point and talk with your adult.
2 Watch how I do it
I turn a square onto a corner. It still has four equal sides and four square corners, so it is still a square.
3 Your turn
A flat shape has three straight sides and three corners. What is it?
Have a go before opening the answer.
Let's check together
A triangle.
4 Try it away from the page
Draw different triangles and rectangles. Make a repeating shape pattern and explain what comes next.
Open your writing and drawing pad
Write, draw or show your working. Use a mouse, pen or finger. This pad is not a submitted answer.
Not saved to your account. Download your drawing as PNG and your typed notes as TXT before leaving or refreshing. They are separate files. Do not enter private information.
Open a picture saved on this device to draw on it again. Opening replaces the drawing, but Undo can restore it. PNG only, up to 4 MB and 4096 × 4096 pixels. The picture stays in this browser; it is not uploaded. Paper lines in a saved picture become part of that picture.
Clear the drawing? Your typed notes will stay. You can undo this action.
Your pad is empty.
Open a UTF-8 TXT file from this device, up to 40 KB and 10,000 characters. It stays in this browser. Opening can be undone until you type again. Downloads keep a new copy; they do not change the file you opened.
Replace the notes on this page with the opened file? Download the current notes first if you want to keep them.
Typed notes are not submitted answers.
Explore and practise freely. Opening this lesson or using the writing pad does not save completion or a score.
Adult notes · prerequisites, safety and coverage
Prerequisite: match and sort. Show different sizes and orientations. Avoid teaching that every four-sided shape is a rectangle.
Use large counters, blocks and paper before symbols. Revisit a lesson until the child can show and explain the idea. Numbers grow from 0–10 to 20, then 100; these pages are not a one-sitting course.