K.6.A

MathKindergarten

The Standard

identify two-dimensional shapes, including circles, triangles, rectangles, and squares as special rectangles

Texas Essential Knowledge and Skills for Mathematics

Teacher's field guide

What This Standard Means

What Students Need to Do

Students recognize and name common flat shapes even when the shapes are turned or shown in different sizes. They understand that every square is also a rectangle.

What Mastery Looks Like

Students correctly name shapes in different sizes, colors, and positions. They explain that a square is also a rectangle because it has four straight sides and four corners.

Common Misconceptions

Students may think a turned shape becomes a different shape. They may call every four-sided shape a square or miss that a square also belongs in the rectangle group.

How to Assess It

Show a circle, triangle, long rectangle, and turned square. Ask students to name each shape, then place a counter on every rectangle.

Lesson moves

Ways to Teach It

  1. Give pairs shape cards to sort, then have students place every square inside the rectangle group.

  2. Show a turned square and ask, "What shape is it, and how do you know?"

  3. Play Shape Bingo using pictures that vary in size, color, and position.

  4. Take a classroom shape hunt and record one object shaped like each target shape.

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