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• Calculator display • • •
Peter and Kate had to work out how to reverse 142 to 241
OJ Reverse these numbers, using as few additions as you can.
Record in your own way.
CHALLENGE
Using these keys once each, find different odd totals
between 700 and 900.
rn Challenge rn and 00
Open: using as few additions as Find different odd totals between Practical: making three cubes to fit inside each other.
possible to reverse numbers. 700 and qOO using these keys once
each only.
a 263 (adding qq) ~ 362
b 182 (adding qq) ~ 281
c 306 (adding 2q7) ~ 603
d 415 (adding qq) ~ 514
e 217 (adding 4q5) ~ 712
f 466 (adding 1 q8) ~ 664
g 345 (adding 1 q8) ~ 543
h 56q (adding 3q6) ~ q65
