CROSSNUMBER
Across Clues
1.
2.
3.
6.
8.
9.
4.
5.
7.
10.
11.
12.
13.
14.
15.
16.
17.
19.
20.
22.
18.
21.
23.
Across
1. The value of
(5)
4. One more than a power of 7 (3)
6. The value of
in
(3)
8. A square (2)
11. Double a Fibonacci number (2)
12. A multiple of 3, of 7, of 37, of 2 Down and of 19 Down (6)
13. One less than 16 Across (2)
14. A square (2)
15. 1001 multiplied by the sum of 9 Down, 3 Down and 4 Down (6)
16. One more than 13 Across(2)
17.
where a and b are prime numbers (2)
19. A solution of
(3)
22. A prime number close to the square root of a quarter of 5 Down (3)
23. The square of the remaining side of a right angled triangle with hypotenuse 19 Across and shortest
side 9 Down. (5)
Senior Team Maths Challenge
National Final 2013
Crossnumber
Supported by Rolls-Royce plc
Down Clues
1.
2.
3.
6.
8.
9.
4.
5.
7.
10.
11.
12.
13.
14.
15.
16.
17.
19.
20.
22.
18.
21.
23.
Down
1. A multiple of 14 Down (3)
2. A factor of 18 Down (2)
3. A prime number (2)
4. A square (2)
5. The square of the length of the hypotenuse of a right angled triangle with sides 9 Down
and 19 Across (5)
7. The product of 14 Across and 23 Across (6)
9. The value of
in
(3)
10. 10200 less than a cube (6)
13. One more than the difference between 1 Across and 5 down (5)
14. A factor of 1 Down (3)
18. Two more than a square, where each digit of the square is a triangular number. (3)
19. The value of
(2)
20. An odd number (2)
21. The largest two digit prime number ending in 1 (2)
Senior Team Maths Challenge
National Final 2013
Crossnumber
Supported by Rolls-Royce plc
Team Number……..
1.
School / College Name .......................................
2.
3.
6.
8.
9.
4.
5.
7.
Total (6)
10.
11.
Total (6)
12.
Total (7)
13.
14.
Total (6)
15.
Total (7)
16.
17.
19.
22.
Total (8)
20.
21.
23.
18.
Total (6)
Total (6)
Total (8)
Total score = ____/60
Senior Team Maths Challenge
National Final 2013
Crossnumber
Supported by Rolls-Royce plc