Directions: Using the digits 0 through 9 at most one time each, place a digit in each box to make a two-digit number that has a value between given numbers.

### Hint

Can you decompose the numbers into bundles of tens and ones? What tools could you use?

### Answer

There are many solutions including:

12, 35, 40, 41, 56, 78, 88, 93, 107

21, 35, 40, 41, 53, 78, 88, 96, 107

12, 35, 40, 41, 56, 78, 88, 93, 107

21, 35, 40, 41, 53, 78, 88, 96, 107

Source: Thach-Thao Phan

This is an excellent problem for ordering numbers, challenging students to do deeper thinking, where they might conclude through their efforts, that there is more than one correct answer.

I agree. Thank your for sharing

20,35,37,41,45,76,88,89,107