TAILIEUCHUNG - Jossey-Bass Teacher - Math Wise Phần 3

Theo quan điểm chính thống, nó là môn học nghiên cứu về các cấu trúc trừu tượng định nghĩa từ các tiên đề, bằng cách sử dụng Luận lý học (lôgic) và ký hiệu toán học. | class continue this procedure until the number word four continually repeats as demonstrated in the Examples. Examples 1. The number in the first column shown below is 63. 2. The number chosen for the second column is 157. 1. Number picked 63 2. Written form sixty- three 3. Counted letters 10 4. Written form ten 5. Counted letters 3 6. Written form three 7. Counted letters 5 8. Written form five 9. Counted letters 4 10. Written form four 11. Counted letters 4 12. Written form four --- NOTE About here the players will realize that 4 will continue to repeat. 1. Number picked 157 2. Written form one hundred fiftyseven 3. Counted letters 20 4. Written form twenty 5. Counted letters 6 6. Written form six 7. Counted letters 3 8. Written form three 9. Counted letters 5 10. Written form five 11. Counted letters 4 12. Written form four 72 Making Sense of Numbers 3. In the situation below one of the players has made an error when spelling the number word. The number chosen was 45. When this situation arises in the classroom you could pair up two students who have different outcomes and the students could find the error. Player A 1. Number picked 45 2. Written form fourty-five 3. Counted letters 10 4. Written form ten 5. Counted letters 3 6. Written form three 7. Counted letters 5 8. Written form five 9. Counted letters 4 0. Written form four Player B 1. Number picked 45 2. Written form forty-five 3. Counted letters 9 4. Written form nine 5. Counted letters 4 6. Written form four Extensions Utilize the Numbers to Words to Numbers process for practice in several formats and at a variety of academic levels. 1. If you are working with primary students you might want to practice with numbers no more than 20. The students may also need to follow you a number of times as you go through the process at the chalkboard or on the overhead projector. 2. When they are familiar with the procedure the students may practice and check their work in pairs or cooperative groups. Each individual

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