2016 澳洲 AMC B-UpperPrimary 真题 答案 详解
2016-10-05 auamc auamc B-UpperPrimary
| 序号 | 文件列表 | 说明 | ||
|---|---|---|---|---|
| 1 | 2016-B-UpperPrimary-paper-eng-zh.pdf | 18 页 | 9.33MB | 中英双语真题 |
| 2 | 2016-B-UpperPrimary-paper-eng.pdf | 8 页 | 714.40KB | 英文真题 |
| 3 | 2016-B-UpperPrimary-key.pdf | 1 页 | 2.39KB | 真题答案 |
| 4 | 2016-B-UpperPrimary-solution-eng.pdf | 7 页 | 115.09KB | 真题文字详解(英文) |
中英双语真题
1-10 Questions 1 to 10, 3 marks each
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请问下列哪一项中的数最小？ Which of these numbers is the smallest?
(A) 655 (B) 566 (C) 565 (D) 555 (E) 556 -
有两块披萨，每块都切为四等份，请问总共有多少份？ Two pizzas are sliced into quarters. How many slices will there be?
(A) 2 (B) 10 (C) 6 (D) 8 (E) 16 -
在下列点阵中，连接点 P、Q、R 可以构成一个三角形 PQR。请问在三角形 PQR 的内部有多少个点？ Join the dots P, Q, R to form the triangle PQR. How many dots lie inside the triangle PQR?
(A) 13 (B) 14 (C) 15 (D) 17 (E) 18
英文真题
Upper Primary Division
Questions 1 to 10, 3 marks each
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Which of these numbers is the smallest?
(A) 655 (B) 566 (C) 565 (D) 555 (E) 556 -
Two pizzas are sliced into quarters. How many slices will there be?
(A) 2 (B) 10 (C) 6 (D) 8 (E) 16 -
Join the dots P, Q, R to form the triangle PQR.
How many dots lie inside the triangle PQR?
(A) 13 (B) 14 (C) 15 (D) 17 (E) 18 -
0.3 + 0.4 is
(A) 0.07 (B) 0.7 (C) 0.12 (D) 0.1 (E) 7
真题文字详解(英文)
Solutions - Upper Primary Division 1. (Also MP2) The numbers in order are 555, 556, 565, 566, 655, hence (D). 2. (Also MP6) One pizza will have 4 quarters, so two pizzas will have 2 × 4 = 8 quarters, hence (D). 3. The number of interior lattice points is 1 + 2 + 3 + 4 + 5 = 15, hence (C). 4. 0.3 + 0.4 = 0.7, hence (B). 5. (Also MP10) Alternative 1 In cents, 500 ÷ 80 = 6r20 so that he buys 6 chocolates and has 20 cents left, hence (C). Alternative 2 Multiples of 80 are 80, 160, 240, 320, 400, 480, 560. From this, he can afford 6 chocolates but not 7, hence (C). 6. (Also MP9) The opposite chair is both 5 places forward and 5 places back. Five places back from chair 9 is chair 4, hence (D).
