Page 22 - NUMINO Challenge_C2
P. 22
Problem solving Key Points

1 How many times does the digit 2 appear when Think about the ,
listing all the numbers from 1 to 345 in order? problem in three
123456789101112 343344345 cases: 2, 2
and 2 .

2 Sue listed the numbers from 50 to 150 in order. The only digit that
Which digit appeared the most? How many times can go in the
did that digit appear? hundreds place is 1.

19Number and Operations
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