Unit Week People Who Help Us 1 3 Which missing number is worth the most? Which missing number is worth the least? Who has number 8? Who has number 12? 1 2 3 4 5 8 9 10 2 3 4 5 6 8 9 10 1 2 3 4 6 7 8 9 10 12 13 15 8 9 10 11 12 13 14 15 13