### Maths puzzle 1

Keith Dawson

Revision crossword

 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22

Across
1.EXACTLY THE SAME SHAPE AND SIZE.
3.A SHAPE WITH ALL FOUR SIDES THE SAME LENGTH, NO RIGHT ANGLES.
6.ANOTHER NAME FOR THE INDEX.
7.A SHAPE WITH ROTATIONAL SYMMETRY ORDER FIVE.
10.A VERY FAMOUS MATHEMATICIAN.
11.DISTANCE DIVIDED BY TIME.
13.EXACTLY THE SAME BUT BIGGER.
15.THE SQUARE ROOT OF 169
17.THE SQUARE OF NINE.
18.1000 CENTIMETRES CUBED.
20.MEASUREMENT, E.G. METRES CUBED.
21.THE COOLEST SUBJECT ON THE SCHOOL CURRICULUM.
22.NAME THE SEQUENCE 1,1,2,3,5,8,13,......
Down
2.NAME THE SEQUENCE 1,3,6,10,15,21,...
4.ANOTHER NAME FOR A LINE OF SYMMETRY.
5.A SHAPE WITH ONE LINE OF SYMMETRY.
8.WHAT KIND OF TRIANGLE HAS A HYPOTENUSE?
9.A NUMBER WITH ONLY TWO FACTORS.
12.MASS DIVIDED BY VOLUME.
14.TRIANGLE WITH ANGLES OF SIXTY DEGREES.
16.EXACTLY THE SAME BUT BIGGER.
19.THE RATIO OF THE CIRCUMFERENCE TO THE DIAMETER.

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