2017 澳洲 AMC A-MiddlePrimary 真题 答案 详解

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中英双语真题

1-10 Questions, 3 marks each
Questions 1 to 10, 3 marks each

1. 算式2+0+1+7之值等于 The value of 2 + 0 + 1 + 7 is
   (A) 10 (B) 19 (C) 37 (D) 208 (E) 2017

2. 小莲在2017年度过她的9岁生日。请问她出生于哪一年？ Jillian has her 9th birthday in 2017. In which year was she born?
   (A) 2006 (B) 2007 (C) 2008 (D) 2009 (E) 2010

3. 请问在数213中，数码2代表的值是多少？ What is the value of the 2 in 213?
   (A) 0.02 (B) 0.2 (C) 2 (D) 20 (E) 200

4. 松鼠所居住的树之位置在小方格L3。从小方格K1回到这棵树，松鼠必须移动 The squirrel's tree is on square L3. To get there from square K1, the squirrel must move
   (A) 往右二格再往下一格 two squares right and one square down
   (B) 往左一格再往下二格 one square left and two squares down
   (C) 往左三格再往下二格 three squares left and two squares down
   (D) 往右三格再往下一格 three squares right and one square down
   (E) 往右一格再往下二格 one square right and two squares down

5. 小林在小卖部购买了一些水果。他购买4个苹果，而每个苹果的售价为30分钱。请问这4个苹果总共多少钱？（注：100分钱=1元） Lincoln went to buy some fruit at the school canteen. He bought 4 apples which cost 30 cents each. How much did the 4 apples cost?
   (A) 60 分钱 (B) 80 分钱 (C) 1.00 元 (D) 1.20 元 (E) 1.60 元
   (A) 60c (B) 80c (C) $1.00 (D) $1.20 (E) $1.60

英文真题

Middle Primary Division
Questions 1 to 10, 3 marks each

1. The value of (2 + 0 + 1 + 7) is
   (A) 10
   (B) 19
   (C) 37
   (D) 208
   (E) 2017

2. Jillian has her 9th birthday in 2017. In which year was she born?
   (A) 2006
   (B) 2007
   (C) 2008
   (D) 2009
   (E) 2010

3. What is the value of the 2 in 213?
   (A) 0.02
   (B) 0.2
   (C) 2
   (D) 20
   (E) 200

4. The squirrel's tree is on square L3.
   To get there from square K1, the squirrel must move
   (A) two squares right and one square down
   (B) one square left and two squares down
   (C) three squares left and two squares down
   (D) three squares right and one square down
   (E) one square right and two squares down

真题文字详解(英文)

Solutions – Middle Primary Division
1. (Also J1) 2 + 0 + 1 + 7 = 10; hence (A).
2. 2017 - 9 = 2008; hence (C).
3. The 2 is in the 100s column, so it has value 200, hence (E).
4. From column 1 to column 3 is two squares right. From row K to row L is one square down, hence (A).
5. 4 × 30 = 120 therefore the apples cost $1.20, hence (D).
6. (Also UP3) Three out of the five dice showed a two on top, hence (E).
7. 23 - 15 = 8, so it is 8 km from Marytown to Smithton, hence (A).
8. With 4 buses, only 200 people can fit, whereas with 5 buses, up to 250 fit, hence (C).
9. (Also UP5) Only shapes 1 and 3 have five sides and therefore are pentagons, hence (D).
10. Before giving half of his apples to Sally, he must have had 2 apples, so at the start he must have had 4 apples, hence (D).
11. Counting squares, A = 8, B = 5\frac{1}{2}, C = 7, D = 6 and E = 7\frac{1}{2}, hence (A).

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2017 AMC — Middle Primary Solutions