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Name flat (2D) shapes in the environment

Students will identify and name circles, squares, rectangles, and triangles found in everyday objects and settings, recognizing shapes regardless of their size or placement on a page.

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Name flat (2D) shapes in the environment

Kindergarten · Identifying and Naming Shapes · question 1 of 3

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12 rungs. A star at the top.

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Rectangle? Type its number.

How it is taught

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Flat shapes live in the world.

A triangle has three straight sides.

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Read it: 4 sides after a turn

A square sits on your paper. Turn it, and it looks like a diamond. Count the 4 sides.

  1. Count the 4 sides of the turned square.
  2. Count the 4 corners the same way.
  3. Name it a square: 4 sides, 4 corners.

A turn does not glue on a new side or snip one off, so you still have 4.

Each corner is still a corner after a tilt; 4 corners stay 4.

Pointing a new way can make a square look like a diamond. 4 matching sides still mean square.

Count the 4 sides and 4 corners after a turn: the name stays square.

Calling a tilted square a diamond because it no longer sits on a flat side.

Count the 4 matching sides and 4 corners. It is still a square.

A flat shape is round. It has no sides and no corners. What is it called? — circle. Round, with no sides and no corners: that is a circle.

Circle, square, rectangle, triangle

Flat shapes are all around us. Let's go find four of them!

Look — a clock! Its face is round all the way around.

We call this shape a circle.

Kindergarten · Spotting flat shapes around us

Now look at a window. Count the sides — one, two, three, four.

All four sides are the same. This shape is a square.

Here's a door. It has two long sides and two short sides.

When the sides come in two pairs like that, we call it a rectangle.

And out on the road — a yield sign!

Three sides and three corners. This shape is a triangle.

Circle, square, rectangle, triangle — flat shapes are everywhere you look!

Now you try. Count this shape's corners. How many are there?

What you see

While they climb, your page writes one true line to ask about tonight, and a short note each Sunday.

MayaGrade 3 · Mathematics
Did you know?

A chessboard has 64 squares — share them out between the 8 rows and each row holds exactly 8.

Today’s goal
1 star — one skill mastered, every rung of its ladder climbed
Climbing now
Divide within 100

An example student.

MayaGrade 3 · Mathematics

Maya earned 2 stars this week — Interpret multiplication as equal groups, which took 6 answers over 3 days before its star landed 3 days ago and Multiply by 6, 7, 8 and 9. Next up: Divide within 100.

An example week.

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