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
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
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 =
答案：1. D 2. C 3. A 4. E 5. B
