Angles & Right Angles

Draw a right angle (90 degrees)

Draw an angle smaller than a right angle

Draw an angle bigger than a right angle

Name 2 things with right angles: ___

Name something with an angle less than a right angle: ___

Name something with an angle more than a right angle: ___

How many right angles do you turn through to face the opposite direction? ___

If you face north and make a quarter turn clockwise, which way do you face? ___

How many quarter turns to make a full turn? ___

I am facing North. I make a quarter turn clockwise. I now face: ___

I am facing East. I make a half turn. I now face: ___

I am facing South. I make a three-quarter turn clockwise. I now face: ___

A quarter turn = ___ right angles

I face West and turn clockwise to face North. How many right angles is that? ___

A full turn = ___ right angles = ___ degrees

I make 3 quarter turns clockwise from North. Where do I face? ___

Draw a path showing a quarter turn left, then a half turn:

Square: ___ right angles

Rectangle: ___ right angles

Equilateral triangle: ___ right angles

Right-angled triangle: ___ right angles

A shape with 4 right angles: ___

A shape with 0 right angles: ___

A shape with exactly 1 right angle: ___

A shape with more than 4 right angles: ___

Draw an acute angle (label it as less than 90°)

Draw a right angle (label it as 90°)

Draw an obtuse angle (label it as between 90° and 180°)

An angle is less than a right angle. It is bigger than 60°. It could be: ___

An angle is obtuse. It is less than 150°. It could be: ___

I make 2 right angle turns. How many degrees have I turned? ___

Angles in a triangle add to 180°. A triangle has angles of 90° and 45°. What is the third angle? ___

Find 3 objects with acute angles: ___

Find 3 objects with right angles: ___

Find 3 objects with obtuse angles: ___

Explain what an acute angle is in your own words: ___

Why are right angles so common in buildings and furniture? ___

Name a sport or activity where angles are important: ___

A triangle has angles 60°, 60° and ___.

A right-angled triangle has a 90° angle and a 45° angle. The third angle is ___.

A triangle has angles 100° and 40°. The third angle is ___.

One angle is 120°. The other is ___.

One angle is 45°. The other is ___.

Both angles are equal. Each angle is ___.

A clock showing 3 o'clock: about ___°

A slightly opened book: about ___°

A wide V shape: about ___°

A pizza slice cut in 8: about ___°

Name an acute angle you can see right now: ___

Name an obtuse angle you can see right now: ___

Draw a shape that has at least one of each type of angle:

A square has 4 right angles. 4 × 90° = ___°

A quadrilateral has angles 100°, 80°, and 120°. The fourth angle = ___°

A quadrilateral has angles 90°, 90°, and 70°. The fourth angle = ___°

Facing North. Turn 90° clockwise. Now facing: ___

Facing East. Turn 180° clockwise. Now facing: ___

Facing South. Turn 90° anticlockwise. Now facing: ___

Draw a shape using only right angles.

Draw a shape with at least one acute angle.

What is the name of your shape? ___

Find and name 5 objects with right angles: ___

Find and name 3 objects with acute angles: ___

Are there more right angles or acute angles in your classroom? ___

Two angles on a straight line. One is 110°. The other is ___°.

Three angles in a triangle are 60°, 70° and ___°.

A clock shows 6:00. What is the angle between the hands? ___°

Find 3 acute angles. Where are they? 1.___ 2.___ 3.___

Find 3 right angles. Where are they? 1.___ 2.___ 3.___

Find an obtuse angle. Where is it?

Face North. Turn 2 right angles clockwise. You now face: ___

Face East. Turn 3 quarter turns anti-clockwise. You now face: ___

Describe how to get from right angles to a full turn:

Draw a shape that uses at least one right angle, one acute angle and one obtuse angle:

Label each angle type in your drawing.

Describe how many of each angle type you used:

In soccer, what angle works best for shooting at goal? ___

In cricket, how do angles affect where the ball travels?

Name one other sport where angles matter and explain why:

Cut out a triangle and tear off each corner. Do the 3 corners together form a straight line?

What does this tell us about the angles in a triangle?

A full turn = ___ degrees. A half turn = ___ degrees.

A quarter turn = ___ degrees. This is the same as ___ right angle(s).

If you turn 270° clockwise from facing North, you face: ___

Describe an angle you might see in the roof of a house: ___

Why would a builder make roofs with angles rather than flat?

Find a local building with an interesting angle. Describe it: