Page 36 - STEPS MATHEMATICS 4A
P. 36
Calculator display
Peter and Kate had to work out how to reverse 142 to 241
on their calculator display.
Reverse these numbers, using as few additions as you can.
Record in your own way.
a
HIS.
e in
i i.
One answer is
CHALLENGE 45! 1326 =777
Using these keys once each, find different odd totals
between 700 and 900.
Tl [21 [3] [4l [5l [6