1. Measure of the angle Type of angle
(1) 180 (a) Zero angle
(2) 240 (b) Straight angle
(3) 360 (c) Reflex angle
(4) 0 (d)Complete angle
2. The measures of some angles are given below Write the type of each angle.
(1) 75° (2) 215° (3) 180° (4) 148°
(5) 0° (6) 360° (7) 120° (8) 90°
3. Write the numbers in the following examples using the proper signs
(1) A submarine is at a depth of 512 metres below sea level
(2) The height of Mt Everest, the highest peak in the Himalayas, is 8848 metres
(3) A kite is flying at a distance of 120 metres from the ground
4. Classify the following numbers as positive numbers and negative numbers
-5, +4, -2, 7, +26, -49, -37, 19, -25, +8, 5, -4, -12, 27
5. Add
(1) 8 + 6
(2) 9 + (-3)
(3) 5 + (-6)
