After learning this unit, students will be able to
1. master the vocabulary about the numbers;
2. know how to read cardinals and ordinals;
3. know how to toast and answer the questions about the numbers. L1k1xnOkxSocgihsPPf0oE3PiRdaB02ltAyfET72SBIwZ0DRsXORtQBQMKe866mR