1. Mathematics

2. P5 Mathematics

3. Area of triangle Ratio P5 Revision Measurements Symmetry

4. Area of triangle

5. Area of triangle 1
height base 2 OR
height base

6. Area of triangle
Height
5cm
Right Angle
Base
6cm

7. Ratio

8. Ratio
4:5
The ratio of number of spoons to fork is _____________

9. Simplifying Ratio
1:3
2:6
The ratio of number of spoons to fork is _____________

10. THE END

11. Mathematics Revesion

12. P5 MATHEMATICS

13. 1. What is the volume of a cube with an edge of 5 cm. A. 15 cm3 B
1. What is the volume of a cube with an edge of 5 cm? A. 15 cm3 B. 25 cm3 C. 100 cm3 D. 125 cm3
5 cm x 5 cm x 5 cm =
125 cm3 D

14. A 10 cm 4400 cm3 4.4 litres 25 cm - 15 cm = 10cm x 22 cm x 20 cm =
2. A rectangular tank is filled with water to a depth of 15 cm. How many more litres of water are needed to fill up the tank if it is 25 cm height ,breadth 22cm and length 20 cm? A. 4.4 litres B. 440 cm?|>6.6 litres C cm?
25 cm cm =
10 cm
10cm x 22 cm x 20 cm =
4400 cm3
4.4 litres A

15. SORRY THERE IS NO QUESTION 3 I WILL GO THROUGH LATER

16. 4. A cube of side 9 cm has a volume of _________. A. 18 cm3 B. 27 cm3 C. 81 cm3 D. 729 cm3
9x9x9 =
729 cm3 D

17. 5. How many 1-cm cubes can fill a rectangular box height 5 cm ,breadth 6 cm and length 4 cm? A. 216 B. 120 C. 25 D. 20
5 cm x 6cm x 4cm =
120 cm3 B

18. 6. The base of a cuboid is a square of side 6 cm
6. The base of a cuboid is a square of side 6 cm. The height of the cuboid is 8 cm. Find the volume of the cuboid. A. 48 cm3 B. 96 cm3 C. 288 cm3 D. 384 cm3
6 cm x 6 cm x 8 cm =
288cm3 C

19. 7. A tank 70 cm by 40 cm by 10 cm is 1/5 filled with water
7. A tank 70 cm by 40 cm by 10 cm is 1/5 filled with water. What is the volume of water in the tank? _______ cm?
Answer:
70 cm x 40 cm x 10 cm =
28000 cm3
28000 cm =
5600 cm
5600 cm

20. SORRY THERE IS NO QUESTION 8 I WILL GO THROUGH LATER

21. 10. A tank, 1 m by 50 cm by 40 cm is to be filled with water
10. A tank, 1 m by 50 cm by 40 cm is to be filled with water. How many pails of water are required to fill the tank if the capacity of the pail is 5 litres. A. 40 B. 400 C. 220 D. 50
1 m = 1000 cm
1000 cm x 50 cm x 40 cm = cm
1 l = cm3
1 ml = 100 B

22. SORRY THERE IS NO QUESTION 9
I WILL GO THROUGH LATER

23. 11. How many more squares must be shaded so that the ratio of the shaded squares to the squares that are not shaded is 1 : 2?
Answer: 1

24. ml of concentrated orange juice were added to a jar containing 1 litre 500 ml of water. Find the ratio of orange juice to water.
Answer:
1 l = ml
1 000 ml ml =
1 500 ml
150 = 3 = 10
3:10

25. SORRY THERE IS NO QUESTION 13 I WILL GO THROUGH LATER

26. 14. In the figure below, what is the ratio of the shaded part to the part that is not shaded?
C. 2 : 3
D. 3 : 2 A

27. SORRY THERE IS NO QUESTION 15
I WILL GO THROUGH LATER

28. Maths

29. Measurements

30. Measurement Conversion in 1 m = 100 cm 1 km = 1000 m 1 kg = 1000 g
1 l = ml
$ =
1 hr = min
1 min = sec

31. I will teach more about conversions unit the next lesson

32. Symmetry

33. What is symmetry?
Symmetry is when we divide a line to make shape look the same when we fold.

34. Symmetry
How many symmetry lines are there? 4

35. Symmetry
How many symmetry lines are there? 1

36. Symmetry
How many symmetry lines are there? 4

37. Before we end let’s watch a video on symmetry