Page 94 - STEPS MATHEMATICS 4A
P. 94
Scrambled alphabet 1 1I RM111
Complete grid a on RM 111 to code the alphabet. change to /^ *H
| numbers V^ fK
IN OUT
A 1 2 5
B 2 4
C 3
D
E
F
G
H
I
Use the code to unscramble this joke. J
Question: K
49,19,13,39,13 11,33 29,33,31,25,13,53,41 L
9,33,33,25 43,19,13,21,39 15,33,33,11? M
N
Answer: 0
45,31,11,13,39 5 17,33,39,21,27,27,5. P
Q
Write your favourites in code. R
a food b colour c game S
T 20 40 43
a In secret, work out a coded alphabet U
of your own, using grid b on RM 111. V
Write a joke in your code. w
X
b Give a friend your coded joke
Y
and a copy of the lines you wrote Z
for A, B and C.
A I 3 10
B 2. (b 13
C 3 °l \b
c Can your friend unscramble
your code and read your joke?
(If your friend is stuck,
think of another clue.)