2009 澳洲 AMC A-MiddlePrimary 真题 答案 详解

2009 年 A-MiddlePrimary 真题,中英双语,答案,详解

中英双语真题

Elementary School Intermediate Grade (3-4th Grade) Paper 1-10 questions, 3 points each 1. The expression (1000 + 200 + 4) equals (A) 10204 (B) 1204 (C) 1000204 (D) 10002004 (E) 124 2. For the number shown below, if you double the thousands digit and halve the tens digit, what is the new number? [ \begin{array}{c} 4 \ 2 \ 2 \ 4 \end{array} ] (A) 2224 (B) 8214 (C) 4414 (D) 8244 (E) 2214 3. A standard die is shown. What is the sum of the numbers on the faces not visible? (A) 7 (B) 11 (C) 13 (D) 14 (E) 15 4. Which number added to 11 gives a sum of 28? (A) 39 (B) 17 (C) 27 (D) 7 (E) 19 5. Which option is closest to 1000 seconds? (A) 1 hour (B) 1 day (C) 45 minutes (D) 30 minutes (E) 15 minutes 6. Below is an unfolded cube diagram. On this cube, which face is opposite the face with the number 6? (A) 1 (B) 2 (C) 3 (D) 4 (E) 5

英文真题

Middle Primary Division
Questions 1 to 10, 3 marks each

1. The value of 1000 + 200 + 4 is
   (A) 10204 (B) 1204 (C) 1000204 (D) 10002004 (E) 124

2. For the number below, what number will be obtained if I double the thousands digit and halve the tens digit?
   4224
   (A) 2224 (B) 8214 (C) 4414 (D) 8244 (E) 2214

3. A normal dice is shown in the diagram. What is the total of the numbers on the faces not shown?
   (A) 7 (B) 11 (C) 13 (D) 14 (E) 15

4. To what number do I add 11 to get 28?
   (A) 39 (B) 17 (C) 27 (D) 7 (E) 19

5. Which of the following is closest to 1000 seconds?
   (A) 1 hour (B) 1 day (C) 45 minutes (D) 30 minutes (E) 15 minutes