Open Middle®
Directions: Using the digits 0 to 9, at most one time each, place a digit in each box to make the statement true.
Hint
How can you tell whether an irrational number is greater or less than an integer?
Answer
There are many possible answers including √17 is greater than 4 and less than 5 as well as √62 is greater than 4 and less than 9
Source: Robert Kaplinsky
the square root of 12 is greater than 3 and less than 5
the square root of 81 is greater than 8 and less than 11
1<√2 to 80<9 except √10 to 19, √(2 to 7)*10+1, √(2 to 7)*10+9