Page 24 - PlayFacto_P7
P. 24
Finding the missing number

Write the missing number in the .

1 -  9

16 Count the
439 numbers in order
825 from 1 to find the
missing number.

10  -  25 12 10 17 18
16 25 22 15
11 24 13 23

19 21 14

2. Ordering numbers 21
   19   20   21   22   23   24   25   26   27   28   29