1. 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

2. Mathematical Treasure-hunt: Fractions Name: Answer Sheet Mathematical Treasure-hunt: Fractions Name: Answer Sheet

3. Mathematical Treasure-hunt: Fractions 90 ? What is the Lowest Common Multiple (LCM) of the following numbers: 2, 3, 5, 9 ? Mathematical Treasure-hunt: Fractions 65 ? 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?

4. Mathematical Treasure-hunt: Fractions 42 ? Mathematical Treasure-hunt: Fractions 56 ? The cost of 6 medium eggs is 48 pence. Small eggs cost of the price of medium eggs. How much will 6 small eggs cost (in pence)? 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.

5. Mathematical Treasure-hunt: Fractions 84 ? Mathematical Treasure-hunt: Fractions 60 ? 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? Find of 85.

6. Mathematical Treasure-hunt: Fractions 25 ? Mathematical Treasure-hunt: Fractions 51 ? What value will the numerator take when you convert 12½ into an improper fraction? What is the Highest Common Factor (HCF) of 36 and 96?

7. Mathematical Treasure-hunt: Fractions 6 ? Mathematical Treasure-hunt: Fractions 12 ? Derek eats ¾ of a bar of chocolate every day. How many bars of chocolate does Derek eat in 8 days? What is the numerator in the answer to when written in its simplest form?

8. Mathematical Treasure-hunt: Fractions 48 ? Mathematical Treasure-hunt: Fractions 7 ? A digital camera is in the sale with off the normal price of £288. How much will be taken off the price in pounds? 5% of the students in a school of 800 are called Adam. How many students are called Adam?

9. Mathematical Treasure-hunt: Fractions 16 ? Mathematical Treasure-hunt: Fractions 40 ? The Sandwich Club of Great Britain are going on their annual picnic. If one sandwich is inch thick, how many layers of sandwiches can be stacked in a box 10 inches high? Simplify the following:

10. Mathematical Treasure-hunt: Fractions 44 ? Mathematical Treasure-hunt: Fractions 1 ? 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)? In a general knowledge quiz Tina scored 13 out of 20. What percentage is this?