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mr-mathematics.com Recapping: Writing a ratio

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Presentation on theme: "mr-mathematics.com Recapping: Writing a ratio"— Presentation transcript:

1 mr-mathematics.com Recapping: Writing a ratio
What is the ratio of square numbers to prime numbers between 1 and 30 in its simplest form? ANS mr-mathematics.com

2 mr-mathematics.com Sharing in a Given Ratio
Learning Objective: Divide a quantity into two parts when given a ratio. a) Divide 20 in the ratio 2 : 3. b) Divide £24 in the ratio 3 : 5 c) Simon is 10 years old and Becci is 15 years old. Divide £1.75 between in the ratio of their ages. d) The angles in a quadrilateral are in the ratio 3 : 5 : 6 : 4. Find the value of each angle. ANS ANS ANS ANS mr-mathematics.com

3 mr-mathematics.com Sharing in a Given Ratio
Learning Objective: Divide a quantity into two parts when given a ratio. a) Divide £36 in the following ratios. i) 1 : 5 ii) 1 : 3 iii) 4 : 5 iv) 11 : 7 b) Find the larger amount when each quantity below is divided in the given ratio. i) 250 ml in the ratio 2 : 3 ii) 32 cm in the ratio 3 : 5 iii) £48 in the ratio 5 : 7 iv) 64 kg in the ratio 15 : 17 c) The perimeter of a rectangle is 120 cm. The lengths are in the ratio 1 : 3. Calculate the area of the rectangle. ANS ANS ANS ANS ANS ANS ANS ANS ANS mr-mathematics.com

4 mr-mathematics.com Sharing in a Given Ratio
Learning Objective: Divide a quantity into two parts when given a ratio. The ratio of shaded to unshaded squares in this rectangle is 1 : 5. How many more squares need to be shaded to make the ratio 3 : 5? ANS mr-mathematics.com

5 mr-mathematics.com Recapping: Writing a ratio
What is the ratio of square numbers to prime numbers between 1 and 30 in its simplest form? Primes = 2, 3, 5, 7, 11, 13, 17, 19, 23, 29 Squares = 1, 4, 9, 16, 25 Ratio = 1 : 2 Go Back mr-mathematics.com

6 mr-mathematics.com Sharing in a Given Ratio
Learning Objective: Divide a quantity into two parts when given a ratio. a) Divide 20 in the ratio 2 : : 12 b) Divide £24 in the ratio 3 : 5 c) Simon is 10 years old and Becci is 15 years old. Divide £1.75 between in the ratio of their ages. d) The angles in a quadrilateral are in the ratio 3 : 5 : 6 : 4. Find the value of each angle. Go Back mr-mathematics.com

7 mr-mathematics.com Sharing in a Given Ratio
Learning Objective: Divide a quantity into two parts when given a ratio. a) Divide 20 in the ratio 2 : : 12 b) Divide £24 in the ratio 3 : 5 £9 : £15 c) Simon is 10 years old and Becci is 15 years old. Divide £1.75 between in the ratio of their ages. d) The angles in a quadrilateral are in the ratio 3 : 5 : 6 : 4. Find the value of each angle. Go Back mr-mathematics.com

8 mr-mathematics.com Sharing in a Given Ratio
Learning Objective: Divide a quantity into two parts when given a ratio. a) Divide 20 in the ratio 2 : : 12 b) Divide £24 in the ratio 3 : 5 £9 : £15 c) Simon is 10 years old and Becci is 15 years old. Divide £1.75 between in the ratio of their ages. £0.70 : £1.05 d) The angles in a quadrilateral are in the ratio 3 : 5 : 6 : 4. Find the value of each angle. Go Back mr-mathematics.com

9 mr-mathematics.com Sharing in a Given Ratio
Learning Objective: Divide a quantity into two parts when given a ratio. a) Divide 20 in the ratio 2 : : 12 b) Divide £24 in the ratio 3 : 5 £9 : £15 c) Simon is 10 years old and Becci is 15 years old. Divide £1.75 between in the ratio of their ages. £0.70 : £1.05 d) The angles in a quadrilateral are in the ratio 3 : 5 : 6 : 4. Find the value of each angle. 60° : 100° : 120° : 80° Go Back mr-mathematics.com

10 mr-mathematics.com Sharing in a Given Ratio
Learning Objective: Divide a quantity into two parts when given a ratio. a) Divide £36 in the following ratios. i) 1 : 5 £6 : £60 ii) 1 : 3 iii) 4 : iv) 11 : 7 b) Find the larger amount when each quantity below is divided in the given ratio. i) 250 ml in the ratio 2 : 3 ii) 32 cm in the ratio 3 : 5 iii) £48 in the ratio 5 : 7 iv) 64 kg in the ratio 15 : 17 c) The perimeter of a rectangle is 120 cm. The lengths are in the ratio 1 : 3. Calculate the area of the rectangle. Go Back mr-mathematics.com

11 mr-mathematics.com Sharing in a Given Ratio
Learning Objective: Divide a quantity into two parts when given a ratio. a) Divide £36 in the following ratios. i) 1 : 5 £6 : £60 ii) 1 : 3 £9 : £27 iii) 4 : iv) 11 : 7 b) Find the larger amount when each quantity below is divided in the given ratio. i) 250 ml in the ratio 2 : 3 ii) 32 cm in the ratio 3 : 5 iii) £48 in the ratio 5 : 7 iv) 64 kg in the ratio 15 : 17 c) The perimeter of a rectangle is 120 cm. The lengths are in the ratio 1 : 3. Calculate the area of the rectangle. Go Back mr-mathematics.com

12 mr-mathematics.com Sharing in a Given Ratio
Learning Objective: Divide a quantity into two parts when given a ratio. a) Divide £36 in the following ratios. i) 1 : 5 £6 : £60 ii) 1 : 3 £9 : £27 iii) 4 : 5 £16 : £20 iv) 11 : 7 b) Find the larger amount when each quantity below is divided in the given ratio. i) 250 ml in the ratio 2 : 3 ii) 32 cm in the ratio 3 : 5 iii) £48 in the ratio 5 : 7 iv) 64 kg in the ratio 15 : 17 c) The perimeter of a rectangle is 120 cm. The lengths are in the ratio 1 : 3. Calculate the area of the rectangle. Go Back mr-mathematics.com

13 mr-mathematics.com Sharing in a Given Ratio
Learning Objective: Divide a quantity into two parts when given a ratio. a) Divide £36 in the following ratios. i) 1 : 5 £6 : £60 ii) 1 : 3 £9 : £27 iii) 4 : 5 £16 : £20 iv) 11 : 7 £22 : £14 b) Find the larger amount when each quantity below is divided in the given ratio. i) 250 ml in the ratio 2 : 3 ii) 32 cm in the ratio 3 : 5 iii) £48 in the ratio 5 : 7 iv) 64 kg in the ratio 15 : 17 c) The perimeter of a rectangle is 120 cm. The lengths are in the ratio 1 : 3. Calculate the area of the rectangle. Go Back mr-mathematics.com

14 mr-mathematics.com Sharing in a Given Ratio
Learning Objective: Divide a quantity into two parts when given a ratio. a) Divide £36 in the following ratios. i) 1 : 5 £6 : £60 ii) 1 : 3 £9 : £27 iii) 4 : 5 £16 : £20 iv) 11 : 7 £22 : £14 b) Find the larger amount when each quantity below is divided in the given ratio. i) 250 ml in the ratio 2 : ml ii) 32 cm in the ratio 3 : 5 iii) £48 in the ratio 5 : 7 iv) 64 kg in the ratio 15 : 17 c) The perimeter of a rectangle is 120 cm. The lengths are in the ratio 1 : 3. Calculate the area of the rectangle. Go Back mr-mathematics.com

15 mr-mathematics.com Sharing in a Given Ratio
Learning Objective: Divide a quantity into two parts when given a ratio. a) Divide £36 in the following ratios. i) 1 : 5 £6 : £60 ii) 1 : 3 £9 : £27 iii) 4 : 5 £16 : £20 iv) 11 : 7 £22 : £14 b) Find the larger amount when each quantity below is divided in the given ratio. i) 250 ml in the ratio 2 : ml ii) 32 cm in the ratio 3 : cm iii) £48 in the ratio 5 : 7 iv) 64 kg in the ratio 15 : 17 c) The perimeter of a rectangle is 120 cm. The lengths are in the ratio 1 : 3. Calculate the area of the rectangle. Go Back mr-mathematics.com

16 mr-mathematics.com Sharing in a Given Ratio
Learning Objective: Divide a quantity into two parts when given a ratio. a) Divide £36 in the following ratios. i) 1 : 5 £6 : £60 ii) 1 : 3 £9 : £27 iii) 4 : 5 £16 : £20 iv) 11 : 7 £22 : £14 b) Find the larger amount when each quantity below is divided in the given ratio. i) 250 ml in the ratio 2 : ml ii) 32 cm in the ratio 3 : cm iii) £48 in the ratio 5 : 7 £28 iv) 64 kg in the ratio 15 : 17 c) The perimeter of a rectangle is 120 cm. The lengths are in the ratio 1 : 3. Calculate the area of the rectangle. Go Back mr-mathematics.com

17 mr-mathematics.com Sharing in a Given Ratio
Learning Objective: Divide a quantity into two parts when given a ratio. a) Divide £36 in the following ratios. i) 1 : 5 £6 : £60 ii) 1 : 3 £9 : £27 iii) 4 : 5 £16 : £20 iv) 11 : 7 £22 : £14 b) Find the larger amount when each quantity below is divided in the given ratio. i) 250 ml in the ratio 2 : ml ii) 32 cm in the ratio 3 : cm iii) £48 in the ratio 5 : 7 £28 iv) 64 kg in the ratio 15 : kg c) The perimeter of a rectangle is 120 cm. The lengths are in the ratio 1 : 3. Calculate the area of the rectangle. Go Back mr-mathematics.com

18 mr-mathematics.com Sharing in a Given Ratio
Learning Objective: Divide a quantity into two parts when given a ratio. a) Divide £36 in the following ratios. i) 1 : 5 £6 : £60 ii) 1 : 3 £9 : £27 iii) 4 : 5 £16 : £20 iv) 11 : 7 £22 : £14 b) Find the larger amount when each quantity below is divided in the given ratio. i) 250 ml in the ratio 2 : ml ii) 32 cm in the ratio 3 : cm iii) £48 in the ratio 5 : 7 £28 iv) 64 kg in the ratio 15 : kg c) The perimeter of a rectangle is 120 cm. The lengths are in the ratio 1 : 3. Calculate the area of the rectangle. 675 cm2 Go Back mr-mathematics.com

19 mr-mathematics.com Sharing in a Given Ratio
Learning Objective: Divide a quantity into two parts when given a ratio. The ratio of shaded to unshaded squares in this rectangle is 1 : 5. How many more squares need to be shaded to make the ratio 3 : 5? 4 more Go Back mr-mathematics.com


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