2019 袋鼠数学 C-Benjamin 真题 答案 详解

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英文真题

KSf 2019 - Problems Benjamin (Class 5 & 6)

Time Allowed: 150 minutes

SECTION ONE - (3 point problems)

1. Carrie has started to draw a cat. She finishes her drawing by adding more colour. Which of the figures below can be her drawing?

(A)
(B)
(C)
(D)
(E)

1. The Mayan people wrote numbers with dots and bars. A dot is written for 1 and a bar for 5. How did they write 17?

(A)
(B)
(C)
(D)
(E)

1. A digital clock shows the time 20:19. What will the clock show the next time it uses the same digits?

(A)
(B)
(C)
(D)
(E)

1. There are 14 girls and 12 boys in a kindergarten. If half of the children go for a walk, at least how many of them are girls?

(A) 5
(B) 4
(C) 3
(D) 2
(E) 1

1. The sum of the dots on opposite faces of an ordinary dice is equal to 7. Which of the following shows the ordinary one?

(A)
(B)
(C)
(D)
(E)

中英双语真题

Benjamin 2019 Hong Kong Mathematics Kangaroo Contest Grade 5 & 6 Part 1: 10 problems, 3 points each | 第一部分：10道题目，每题3分 1. Carrie has started to draw a cat. Carrie開始畫一隻貓。 She finishes her drawing by adding more color. Which of the figures below can be her drawing? 她通過添加更多顏色來完成繪圖。問下面的哪個圖形可能是她的圖畫？ (A) (B) (C) (D) (E) 2. The Mayan people wrote numbers with dots and bars. A dot is written for 1 and a bar for 5. How did they write 17? 瑪雅人用點和條來表示數。一個點代表1，一個長條代表5。問他們應該怎麼寫17？ (A) (B) (C) (D) (E) 3. A digital clock shows the time 20:19. What will the clock show the next time it uses the same digits? 數字時鐘顯示時間20:19。時鐘在下次使用同樣的這些數字時會顯示幾點？ (A) (B) (C) (D) (E) 4. There are 14 girls and 12 boys in a kindergarten. If half of the children go for a walk, at least how many of them are girls? 幼兒園裡有14個女孩和12個男孩。如果有一半的孩子去散步，那麼其中最少有多少個女孩？ (A) 5 (B) 4 (C) 3 (D) 2 (E) 1