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Triangles and Rectangles Properties

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Triangles and Rectangles Properties

Triangles and Rectangles Properties

Triangles and rectangles illustration

📐 Part 1: Shape Identification

1. Circle the correct answer for each shape property:

How many sides does a triangle have?

2 sides

3 sides

4 sides

5 sides

How many angles does a rectangle have?

2 angles

3 angles

4 angles

6 angles

2. What is the te reo Māori word for triangle?

tapawhā

tapatoru

tapawhā rite

taparima

🔍 Part 2: Properties Investigation

3. Check ALL the properties that are true for rectangles:

Has 4 sides

Has 4 right angles

Has parallel sides

Has 3 corners

All sides are equal length

4. Check ALL the types of triangles that exist:

Equilateral triangle

Isosceles triangle

Scalene triangle

Right-angled triangle

Circular triangle

✏️ Part 3: Drawing and Labelling

5. Draw a triangle with one right angle in the box below:
6. Draw a rectangle and mark all the right angles with small squares:
7. Draw an equilateral triangle (all sides equal):

📝 Part 4: Fill in the Blanks

8. Complete these sentences about triangles and rectangles:

A triangle has _______ sides and _______ angles.

A rectangle has _______ sides and _______ right angles.

The te reo Māori word for rectangle is ________________.

An angle that is exactly 90 degrees is called a _______ angle.

A triangle where all three sides are different lengths is called a _____________ triangle.

9. Explain the difference between a square and a rectangle:

🔗 Part 5: Matching Activity

10. Match each shape description with the correct shape name:
1. Has 3 equal sides and 3 equal angles
2. Has 4 sides and 4 right angles, opposite sides equal
3. Has 3 sides, 2 sides are equal length
4. Has 4 equal sides and 4 right angles
5. Has 3 sides, one angle is 90 degrees
A. Square
B. Right-angled triangle
C. Rectangle
D. Equilateral triangle
E. Isosceles triangle

🤔 Part 6: Critical Thinking

11. True or False: All squares are rectangles, but not all rectangles are squares.

True

False

Explain your answer:

12. Look around your classroom. Name three objects that are rectangular in shape:
13. Why is it useful to know about the properties of triangles and rectangles?

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