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A ratio compares two quantities in a given order. For example, if the number of oranges in a bag is twice that of the number of apples, this is a ratio of to 1 and is writen as: 2. 2 : 1. Each number is called a term of the ratio. The order in a ratio is important. The ratio of oranges to apples is 2 :1.
In a secondary school of 1000 pupils, there are 400 pupils in KS3 and 250 pupils in KS5. Write the ratio of KS3 to KS4 to KS5 pupils. Give your answer in its simplest form. Number of KS4 pupils = 1000 – (400 + 250) = 350.
1 maj 2020 · In a school, there are 75 girls in the tennis squad. The ratio of the number of boys in the tennis squad to the number of girls in the tennis squad is 4 : 3. (b) Work out the number of boys in the tennis squad. 75 girls correspondes to the ratio value of 3.
GCSE TOPIC BOOKLET RATIO. 1. Dominic, Rosie and Harry share £200 in the ratio of 4: 5: 7. Calculate how much each one receives. ......................................................................................................................................... (3) 2. Sophie, Max and Finn share £972 in the ratio of 11: 9: 7.
4 Practice simplifying ratios T: I've talked too much in this lesson! Now it's your turn. Simplify these ratios, explaining your answers: OS 7.1 (a) 4 : 8 =1 : 2 (b) 5 : 20 =1 : 4 (c) 9 : 45 =1 : 5 (d) 25 : 40 =5 : 8 (e) 8 : 36 =2 : 9 (f) 6 : 21 =2 : 7 (g) 11 : 44 =1 : 4 26 mins Whole class activity. T writes ratios on BB, then asks Ps to come ...
RATIO & PROPORTION. A RATIO is a comparison between two quantities. We use ratios everyday; one Pepsi costs 50 cents describes a ratio. On a map, the legend might tell us one inch is equivalent to 50 miles or we might notice one hand has five fingers. Those are all examples of comparisons – ratios.
Answers: Identify what is asked. RATIO 1. The comparison or relationship between two things. TERM 2. The name for the values in a ratio. RATE 3. A special ratio that compares quantities of different units. UNIT RATE 4. A rate where the second term is equal to 1. EQUIVALENT 5. Ratios that have equal simplest form. RATIO 6 6.
