Percentage Questions 1. A fuel bill has increased by 12% per month. If it was £240 previously, how much is it now? 2. VAT is charged at 20%. If my TV cost £600 before VAT, what is the final price? 3. My car insurance bill is £350 per year. If it is due to increase by 7% next year, how much will it be then? 4. Gold sold at £70 per gram last year. It has increased in value by 6% in the last year. How much will it sell for now? Working Backwards 1. A box weighs 450 grams. When 15 bags of sugar are added it weighs 12.45 kg. How much does one bag of sugar weigh? 2. A container weighs 600 grams. When 40 packets of tissues are added it weighs 1.35 kg. How much does one pack of tissues weigh? 3. A pallet weighs 4.2 kg. When 20 paving slabs are stacked on it, it weighs 86.7 kg. How much does one slab weigh? 4. A water filled tank weighs 6.8 kg. When 12 fish are added it now weighs 7.52 kg. How much does one fish weigh? Exchange Rates: 1. If I travel to New Zealand with £650 spending money and the exchange rate is $3.10 to the pound, how many dollars will I get? 2. The exchange ate to the USA is $1.97 to a pound. How much would I get for £865 ? 3. A tourist goes to Spain and exchanges £470 to euros. If the exchange rate is 1.68 euros to the pound, how much will she get? 4. The exchange rate for Japan is 55 yen to the pound. How much would you get for £550? Time Complete the table; DEPART ARRIVE 0845 1420 1325 TIME TAKEN 3 h 50 min 1715 6 h 40 min 2020 4 h 45 min Perimeter 20 m 28 m 14 m 15 m 23 m 14 m 33 m 1. A tiler needs to grout around the edge of this bathroom. If he has enough to do 100 metres, will he be able to do this job? Justify your answer. 16 m 8m 7m 12 m 2. A farmer wants to put a fence around this field. If he has 110 m of fencing will he have enough to do the job? Justify your answer. Speed: 1. A car travels at 120 mph for 10 minutes. How far will it travel? 2. A train travels at 120 km/h for 12 minutes, how far does it travel? 3. A cyclist can cycle at 24 mph for 5 minutes. How fay will she travel? 4. A typist can type 90 words per minute. How many will he type in 20 minutes? 5. A skier can ski downhill at 45 km/h for 2 minutes. How far will they travel? Ratio: 1. There are 250 pupils in S4, and the ratio of boys to girls in S4 is 2:3. Mr Wilson calculates there are 120 boys. Is he correct? 2. There are 600 people at a concert. The ratio of adults to children is 4:1. The organiser calculates that there are 480 adults, is she correct? 3. Fruit punch is made using pineapple and orange juice in the ratio 3:2. If Joan wants to make 10 litres of punch, she estimates she will need 4.5 litres of orange juice. Is she correct? 4. There are 300 people on a flight to France. If there are French and British people on the plane in a ratio of 5:1, the stewardess estimates there are 250 French people are on the flight, is she right? Using a Protractor: 1. Draw a angle of 45 degrees 2. Draw a angle of 22 degrees 3. Draw a angle of 67 degrees 4. Draw a angle of 109 degrees 5. Draw a angle of 164 degrees Probability: 1. A dice is rolled. What is the probability of rolling a number greater than 3? 2. A spinner with the numbers 1 to 8 on it is spun. What is the probability of it landing on a number less than 7? 3. A 8 sided dice is rolled. What is the probability of rolling a number greater than 5? 4. A set of cards numbered 1 to 10 has a card picked at random from them. What is the probability of picking a number less than 4? 1. Which of the following 3 teams is the best? TEAM A won 13 out of 18 matches TEAM B won 15 out of 21 matches TEAM C won 12 out of 17 matches 2. Which raffle has the best chance of winning a prize? RAFFLE A 10 prizes and 90 tickets sold RAFFLE B 12 prizes and 100 tickets sold RAFFLE C 15 prizes and 120 tickets sold 3. Which of these 3 classes did best in the test? CLASS X 25 out of 30 passed CLASS Y 22 out of 28 passed CLASS Z 23 out of 29 passed