Mathematical Treasure-hunt: Fractions Cut out each of the question slides and place them around the room, stick them on the walls if you wish. Print out and distribute the answer sheet, one per pupil, or team, and set them off to find the answers. The correct answer is: 90, 56, 42, 60, 84, 51, 25, 12, 6, 7, 48, 40, 16, 1, 44, 65 Name: Answer Sheet Mathematical Treasure-hunt: Fractions Name: Answer Sheet Mathematical Treasure-hunt: Fractions 65 Mathematical Treasure-hunt: Fractions What is the Lowest Common Multiple (LCM) of the following numbers: 2, 3, 5, 9 ? ? 90 Mathematical Treasure-hunt: Fractions A pair of trainers worth £84 have been put in the sale with a third off the original price. What is the sale price in pounds? ? 56 Mathematical Treasure-hunt: Fractions The cost of 6 medium eggs is 48 pence. Small eggs 7 cost 8 of the price of medium eggs. How much will 6 small eggs cost (in pence)? ? 42 Mathematical Treasure-hunt: Fractions Using the price of medium eggs from the previous question, calculate the cost of 6 large eggs (in pence) if large eggs cost 25% more than medium eggs. ? 60 Mathematical Treasure-hunt: Fractions To generate equivalent fractions we multiply or divide both the numerator and the denominator by the same number. What value of n will make this equation true? 6 n 9 126 ? 84 Mathematical Treasure-hunt: Fractions 3 Find of 5 85. ? 51 Mathematical Treasure-hunt: Fractions What value will the numerator take when you convert 12½ into an improper fraction? ? 25 Mathematical Treasure-hunt: Fractions What is the Highest Common Factor (HCF) of 36 and 96? ? 12 Mathematical Treasure-hunt: Fractions Derek eats ¾ of a bar of chocolate every day. How many bars of chocolate does Derek eat in 8 days? ? 6 Mathematical Treasure-hunt: Fractions What is the numerator in the answer to 4 7 ? 5 8 when written in its simplest form? ? 7 Mathematical Treasure-hunt: Fractions A digital camera is 1 in the sale with 6 off the normal price of £288. How much will be taken off the price in pounds? ? 48 Mathematical Treasure-hunt: Fractions 5% of the students in a school of 800 are called Adam. How many students are called Adam? ? 40 Mathematical Treasure-hunt: Fractions The Sandwich Club of Great Britain are going on their annual picnic. If one 5 sandwich is 8 inch thick, how many layers of sandwiches can be stacked in a box 10 inches high? ? 16 Mathematical Treasure-hunt: Fractions Simplify the following: 17 7 8 1 8 ? 1 Mathematical Treasure-hunt: Fractions Bridget bought a new hat in the sales for £33. The original price had been reduced by 25%. What was the original price (in pounds)? ? 44 Mathematical Treasure-hunt: Fractions In a general knowledge quiz Tina scored 13 out of 20. What percentage is this? ?