2022 澳洲 AMC A-MiddlePrimary 真题 答案 详解
2022-10-01 auamc auamc A-MiddlePrimary
| 序号 | 文件列表 | 说明 | ||
|---|---|---|---|---|
| 1 | 2022-A-MiddlePrimary-paper-eng-zh.pdf | 6 页 | 2.52MB | 中英双语真题 |
| 2 | 2022-A-MiddlePrimary-paper-eng.pdf | 7 页 | 508.58KB | 英文真题 |
| 3 | 2022-A-MiddlePrimary-key.pdf | 1 页 | 14.91KB | 真题答案 |
| 4 | 2022-A-MiddlePrimary-solution-eng.pdf | 7 页 | 104.75KB | 真题文字详解(英文) |
中英双语真题
Middle Primary Questions
1-10 questions, 3 points each
-
How many dots are there in total in the diagram on the right?
(A) 20
(B) 21
(C) 22
(D) 23
(E) 24 -
What number is one hundred more than 465?
(A) 365
(B) 455
(C) 475
(D) 565
(E) 1465 -
What fraction of the rectangle in the diagram is shaded?
(A) ( \frac{1}{2} )
(B) ( \frac{1}{4} )
(C) ( \frac{1}{6} )
(D) ( \frac{1}{8} )
(E) ( \frac{1}{10} ) -
There are 17 dogs in total, and 9 have run away. How many are left?
(A) 7
(B) 8
(C) 12
(D) 26
(E) 27 -
Chessboard game.
Move the blue piece up one square and then three squares to the left.
Which piece will he land on?
(A) Star
(B) Cross
(C) Green triangle
(D) Yellow square
(E) Red circle
英文真题
2022 AMC Middle Primary Questions 1. How many dots are in this pattern? (A) 20 (B) 21 (C) 22 (D) 23 (E) 24 2. What number is one hundred more than 465? (A) 365 (B) 455 (C) 475 (D) 565 (E) 1465 3. What fraction of this rectangle is shaded? (A) (\frac{1}{2}) (B) (\frac{1}{4}) (C) (\frac{1}{6}) (D) (\frac{1}{8}) (E) (\frac{1}{10}) 4. There were 17 dogs and 9 ran away. How many dogs were left? (A) 7 (B) 8 (C) 12 (D) 26 (E) 27 5. John is playing a board game. He moves his blue piece one square up then three squares left. Which piece does he land on? (A) (B) (C) (D) (E) www.amt.edu.au
真题文字详解(英文)
2022 AMC Middle Primary Solutions 33 Middle Primary Solutions 1. Alternative 1 Counting row by row, there are 3 + 4 + 5 + 5 + 5 = 22 dots, hence (C). Alternative 2 Adding 3 extra dots creates a 5 × 5 square with 25 dots in total. So there are 25 − 3 = 22 dots in the pattern, hence (C). 2. 465 + 100 = 565, hence (D). 3. The shaded triangle is half the square and the square is half the rectangle, so the shaded triangle is one-quarter of the rectangle, hence (B). 4. 17 - 9 = 8, hence (B). 5. Here are the moves that John makes: The final square he lands on is the one marked , hence (A). 6. Here is where there is a circle, an oval, a triangle and a rectangle in the picture: However, there is no square, hence (D). www.amt.edu.au
