Ⅰ. Look and rearrange.（看一看，按字母表顺序重新排列以下小写字母。）
y x v z w
y x v z w
v
→ w
→ x
→ y
→ z
答案：v→w→x→y→z
Ⅱ. Count and match.（数一数，连一连。）
1.
2.
3.
4.
5.
A. four
B. one
C. three
D. five
E. two
1.
2.
3.
4.
5.
A. four
B. one
C. three
D. five
E. two
答案：1. C 2. D 3. B 4. E 5. A
Ⅲ. Read and choose.（读一读，选出下列算式的正确答案。）
A. two B. three C. four D. one E. five
1. three - two =
2. five - one =
3. four -
=
4. one + four =
5. two + one =
A. two B. three C. four D. one E. five
1. three - two =
2. five - one =
3. four -
=4. one + four =
5. two + one =
答案：1. D 2. C 3. A 4. E 5. B