Weekly Numeracy Jeopardy

Measuring Angles

100

This type of angle is less than 90^o

What is an acute angle?

200

An angle measures 135^o. What type of angle is it?

What is an obtuse angle?

300

When measuring an angle, this point must be placed exactly on the vertex

What is the centre of the protractor?

or

What is the crosshair?

400

An angle measures 210^o. What type of angle is it?

What is a reflex angle?

500

You measure an angle and get 40^o, but it is clearly obtuse. What mistake did you likely make?

What is reading the wrong scale on the protractor?

Drawing Angles

100

What is the first thing you draw before using any protractor?

What is a baseline?

200

To draw a 90^o angle accurately, what must the baseline line up with on the protractor?

What is the zero line?

300

If you draw a 160^o angle, what type should it be?

What is obtuse?

400

You draw an angle and measure it. It is 87^o instead of 90^o. What should you check first?

What is the alignment of the protractor with the vertex and baseline?

500

You are asked to draw a reflex angle of 240^o. What angle could you draw first and then extend?

What is 120^o?

(Since 360 - 240 = 120)

Missing Angles

100

Complementary Angles add up to this total.

What is 90^o?

200

Supplementary Angles add up to this total

What is 180^o?

300

One angle is 35^o. It forms a right angle with another. What is the missing angle?

What is 55^o?

400

Two angles form a straight line. One is 128^o. What is the missing angle?

What is 52^o?

500

DOUBLE JEPOARDY

Three angles sit in a straight line. Two are 40^o and 65^o. What is the third angle?

What is 75^o?

Word Problems

100

A door opens 45°. What type of angle is this?

What is acute?

200

A skateboard ramp creates a 120° angle with the ground. What type of angle is this?

What is obtuse?

300

Two roads meet forming a straight line. One angle is 95°. What is the other angle?

What is 85°?

400

A clock shows 3:00. What angle is formed between the hands?

What is 90°?

500

A footballer kicks a ball creating a 30° angle from the ground. Another kick creates a 60° angle. Do these two angles form a complementary pair?

What is yes (because 30° + 60° = 90°)?

Key Skills

100

90 − 47 = ?

What is 43?

200

180 − 136 = ?

What is 44?

300

360 − 125 = ?

What is 235?

400

A shape has 4 right angles. What is the total of its interior angles?

What is 360°?

500

Half of 180° plus 15° = ?

What is 105°?