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Name a rectangle

Students identify and name a rectangle in everyday objects, recognizing the shape regardless of its size or orientation.

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Real questions from this skill, graded here. No account, and nothing is saved.

Name a rectangle

Kindergarten · Identifying and Naming Shapes · question 1 of 3

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12 rungs. A star at the top.

123

Rectangle? Type its number.

How it is taught

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A rectangle has four square corners.

Opposite sides match.

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Read it: Name a shape: count sides and corners

Count the sides. Count the corners. A shape with 3 sides and 3 corners is a triangle.

  1. Count the sides: 3.
  2. Count the corners: 3.
  3. 3 sides and 3 corners: it is a triangle.

A shape's sides and corners tell its name.

A tipped triangle still has 3 sides, so it is still a triangle.

A circle is round, so it has no sides to count.

Count the sides and the corners. They tell you the name.

Saying a tipped triangle is not a triangle.

Turn it in your head. It still has 3 sides and 3 corners.

How many square corners does a rectangle have? — 4. A rectangle has 4 sides and 4 square corners.

Find the rectangle

Today we'll learn to name a rectangle. Let's look at a shape together!

Here is a rectangle. Look closely at it.

Kindergarten · Spotting rectangles all around us

Let's count the sides. One, two, three, four. A rectangle has four sides!

Two sides are long, and two sides are short. The long sides match, and the short sides match.

Now count the corners. One, two, three, four. Four square corners!

A shape with four sides and four square corners is called a rectangle.

Look! A door is shaped like a rectangle. Two long sides, two short sides.

A book is also a rectangle, even when we turn it sideways.

Tall or wide, big or small — it's still a rectangle.

A rectangle has four sides and four square corners. Now you can name a rectangle!

Now you try. Pick the name of this shape. Which name matches?

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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Name a rectangle — Kindergarten Mathematics