1. Tap add. 2. Roll a dice, two times to build a 2 digit number. 3. The first roll is the ones place, the second roll is the tens place. 4. In the 10 more column write the number that is 10 more. 5. In the 10 less column write the number that is 10 less. 6. Keep building numbers and adding 10 more or subtracting 10 until the columns are full. 7. Press the green check 2 times.