2014 澳洲 AMC A-MiddlePrimary 真题 答案 详解

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中英双语真题

Elementary School Middle Grade Test 1-10 questions, 3 points each
1. The expression (8 + 4) equals
(A) 4 (B) 8 (C) 12 (D) 32 (E) 84

1. If today is Thursday, what day will it be ten days from now?
   (A) Monday (B) Tuesday (C) Wednesday (D) Saturday (E) Sunday

2. Xiao Si collected 27 toy cars and plans to divide them into groups of 3. How many groups can he form?
   (A) 24 (B) 9 (C) 12 (D) 8 (E) 30

3. I have a $10 bill, and each popsicle costs $2.20. How many popsicles can I buy at most?
   (A) 3 (B) 4 (C) 5 (D) 6 (E) 7

4. Which of the following shapes has an axis of symmetry?
   (A) Triangle (B) Square (C) Right triangle (D) L-shaped figure (E) Irregular pentagon

5. Xiaobei entered a number on the calculator, and when he turned the calculator upside down, the number looked like "BILL." What was the number he entered?
   (A) 8111 (B) 8177 (C) 7713 (D) 3177 (E) 7718

英文真题

Middle Primary Division
Questions 1 to 10, 3 marks each

1. $8 + 4 = $
   (A) 4
   (B) 8
   (C) 12
   (D) 32
   (E) 84

2. Today is Thursday. What day will it be in 10 days time?
   (A) Monday
   (B) Tuesday
   (C) Wednesday
   (D) Saturday
   (E) Sunday

3. Simon has a collection of 27 toy cars. He wants to put them into groups of 3 cars. How many groups will he have?
   (A) 24
   (B) 9
   (C) 12
   (D) 8
   (E) 30

4. I have a $10 note and an ice-cream costs $2.20. What is the greatest number of ice-creams I can buy?
   (A) 3
   (B) 4
   (C) 5
   (D) 6
   (E) 7

5. Which one of the following shapes has a line of symmetry?
   (A)
   (B)
   (C)
   (D)
   (E)

真题文字详解(英文)

Middle Primary Division
1. 8 + 4 =
(A) 4 (B) 8 (C) 12 (D) 32 (E) 84
▸ 8 + 4 = 12, hence (C).

1. Today is Thursday. What day will it be in 10 days time?
   (A) Monday (B) Tuesday (C) Wednesday (D) Saturday (E) Sunday
   ▸ Seven days from today is also Thursday, and three days after that is Sunday, hence (E).

2. Simon has a collection of 27 toy cars. He wants to put them into groups of 3 cars. How many groups will he have?
   (A) 24 (B) 9 (C) 12 (D) 8 (E) 30
   ▸ The number of groups will be 27 ÷ 3 = 9, hence (B).

3. I have a $10 note and an ice-cream costs $2.20. What is the greatest number of ice-creams I can buy?
   (A) 3 (B) 4 (C) 5 (D) 6 (E) 7
   ▸ 4 times $2.20 equals $8.80. 5 times $2.20 is more than $10, hence (B).

4. Which one of the following shapes has a line of symmetry?
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