1. QUIZ Count out your chance! Big Maths Day 2011 Grades 5 and 6

2. Question1 What is your chance to give the wrong answer for all questions in this quiz? a.0% chance b.50% chance c.100% chance d.No idea

3. Question 2 Why do so few children end up at the outer endpoints in the grid walking game? a.Because they are cheating b.Because there is very little place there c.Because there is only one route that leads there d.Because they are further away

4. Question 3 Which of the Left-Right rows below will take you to the same endpoint as you would end up in with LLR LRR RRR a.R R L R L L L L L b.L L R R L R R R L c.L R L R L R L R R d.L L L R R R R R R

5. Question 4 Using two eight-sided dice, which result (sum of the pips) can be thrown in the most different ways? a.7 b.8 c.9 d.10

6. Question 5 How many different combinations of pips can you throw using two twenty- sided dice? TAKE CARE: 3 and 17 is the same as 17 and 3, but not the same as 15 and 5 a.About 400 b.About 200 c.About 100 d.About 50

7. Question 6 If this booklet has 5 pages (that is 5 heads, 5 bodies, 5 pairs of legs) you can make more than a 100 different figures. a.That is correct b.That is incorrect c.You cannot know

8. Question 7 How many different colours do most of the mandalas that were made in your class have? a.1 b.2 c.3 d.4 e.5 f.6

9. Question 8 In the Game of Hog you have the best chance to win if you …… a.… use 1 dice to throw every time b.… use 7 dice to throw every time c.… use all 10 dice to throw every time d.… just do something. It doesn’t matter.

10. Question 9 The new Dutch numberplates have 2 numbers – 3 letters – 1 number. How many different numberplates can be made like that more or less? a.100.000 b.1.000.000 c.10.000.000 d.100.000.000

11. Question10 How many letters and numbers can you make with exactly 5 LED lines. Diagonal lines are not allowed. We already give away that the number 2 is possible. a.About 10 b.About 15 c.About 20 d.About 25

12. Extra question In a book with 5 pages you cut through the figures so that you have 5 instead of 3 parts. How many extra figures can you make now? a.2 times as many b.5 times as many c.10 times as many d.25 times as many

13. And now……..

14. …. the answers 1.All except A 2.C 3.D 4.C 5.B 6.A 7.Counting in class! 8.B 9.C 10. A And the extra question: D