Shapes and Designs — Practice

Question 1

How many edges and corners does a triangle have?

Accepted Answer

A triangle has 3 straight edges and 3 corners.

Question 2

How is a square different from a rectangle?

Accepted Answer

A square has ALL 4 sides equal. A rectangle has only OPPOSITE sides equal — adjacent sides may be different. Both have 4 edges and 4 corners.

Question 3

Using 2 triangles of the same size, what 2D shape can you make?

Accepted Answer

Two triangles of the same size can form a SQUARE (if right-angled triangles joined at the long side) or a LARGER TRIANGLE (if joined along one equal side). It depends on how you arrange them.

Question 4

Look at a picture of a house made of shapes. Count how many squares, rectangles, and triangles you see.

Accepted Answer

(Answer depends on picture. Typical house: 1 square for the main body, 1 triangle for the roof, 1 rectangle for the door, 1-2 squares for windows.)

Question 5

How many pieces are there in a tangram? Name the shapes of the pieces.

Accepted Answer

A tangram has 7 pieces (called 'tans'): 2 large triangles, 1 medium triangle, 2 small triangles, 1 square, and 1 parallelogram. All 7 pieces together form a large square.

Practice — Shapes and Designs

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