Open Middle®
Directions: Using the digits 0 to 9, at most one time each, place a digit in each box to make the equation true.
Hint
How might doubling and halving help you?
Answer
There are many possible answers. Some examples are:
– 46 x 30 = 15 x 92
– 27 x 38 = 54 x 19
– 82 x 35 = 41 x 70
– 46 x 30 = 15 x 92
– 27 x 38 = 54 x 19
– 82 x 35 = 41 x 70
Source: Travis Drake
Answer =82 x 35 = 41 x 70