一、Look and write. (看一看,写一写。)
Dingding 正在写趣味数学作业。请你也试一试,观察并计算下列图形的周长,并从方框中选择正确的答案抄写在四线格里,单词可以重复使用。
twenty, eighteen, sixteen
1. cm
2. cm
3. cm
4. cm

1. sixteen 2. eighteen
3. twenty 4. sixteen

二、Choose and write. (选一选,写一写。)
Dingding 正在和妹妹玩“词汇大挑战”游戏。请你根据图片提示,从方框中选择合适的单词补全句子,并将单词抄写在四线格里。
第一关:对应词大挑战
man, girl, boy, woman
This 1. is my teacher. This 2. is my neighbour.
The 3. has a cat. The 4. has a dog.
第二关:反义词大挑战
thin, big, long, fat, short, small
This cat is 5. , and that cat is 6. .
Look! My new pencil is 7. , and my old pencil is 8. .
The ostrich(鸵鸟) has a 9. body, but(但是) it has a 10. .

1. woman 2. man 3. girl
4. boy 5. fat 6. thin
7. long 8. short 9. big
10. small