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Mathematics Revision: Area of Triangle, Ratio, Measurements, and Symmetry

This mathematics revision lesson covers topics such as calculating the area of a triangle, simplifying ratios, measurements and conversions, and understanding symmetry. It includes practice questions and a video on symmetry.

richardfreeman
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Mathematics Revision: Area of Triangle, Ratio, Measurements, and Symmetry

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  1. Mathematics

  2. P5Mathematics

  3. Area of triangleRatioP5 RevisionMeasurementsSymmetry

  4. Area of triangle

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

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

  7. Ratio

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

  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 cubewith 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. 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. 6600 cm? 25 cm - 15 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. 9x9x9 = 4. A cube of side 9 cm has a volume of _________. A. 18 cm3 B. 27 cm3 C. 81 cm3 D. 729 cm3 729 cm3 D

  17. 5 cm x 6cm x 4cm = 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. 20 120 cm3 B

  18. 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. What is the volume of water in the tank? _______ cm? Answer: 70 cm x 40 cm x 10 cm = 28000 cm3 28000 cm 5 = 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. 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 = 400000 cm 1 l = 1 000 cm3 1 ml = 100 B 400.000

  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. 12. 450 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 = 1 000 ml 1 000 ml + 500 ml = 1 500 ml • 150 • = 3 1 500 150 = 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? A. 1 : 2 B. 3 : 1 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 = 1000 ml $ 1 = 100 1 hr = 60 min 1 min = 60 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 4 How many symmetry lines are there?

  35. Symmetry 1 How many symmetry lines are there?

  36. Symmetry 4 How many symmetry lines are there?

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

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