Unit Week 6 2 Take away 1, 2, or 3 Take away 1, 2, or 3. How many are left? 10 - 1 = __ 10 - 2 = __ 10 - 3 = __ 8 - 1 = __ 8 - 2 = __ 8 - 3 = __ 15 - 1 = __ 15 - 2 = __ 15 - 3 = __ 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 66