Mathematics

P5 Mathematics

Area of triangle Ratio P5 Revision Measurements Symmetry

Area of triangle

Area of triangle 1 height base 2 OR height base

Area of triangle Height 5cm Right Angle Base 6cm

Ratio

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

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

THE END

Mathematics Revesion

P5 MATHEMATICS

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

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. 6600 cm? 25 cm - 15 cm = 10 cm 10cm x 22 cm x 20 cm = 4400 cm3 4.4 litres A

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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

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

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

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 5 = 5600 cm 5600 cm

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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 = 400000 cm 1 l = 1 000 cm3 1 ml = 100 B 400.000

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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

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

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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

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Maths

Measurements

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

I will teach more about conversions unit the next lesson

Symmetry

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

Symmetry How many symmetry lines are there? 4

Symmetry How many symmetry lines are there? 1

Symmetry How many symmetry lines are there? 4

Before we end let’s watch a video on symmetry