討論:小學雙語數學/KA題集

出自 青少年追求卓越
前往: 導覽搜尋

挑戰 1

  • 挑戰 1
    1. Erica had a collection of 55 stuffed animals.
    2. She took out her favorite 7 animals and then equally divided the remaining animals between her 3 little sisters.
    3. How many stuffed animals did each of Erica's sisters get?
    4. Ans: 16 stuffed animals
      • Hint #1 / 3
        • We can subtract to find the total number of stuffed animals Erica gave away.
        • 55-7 = 48 (55, minus, 7, equals, 48)
      • Hint #2 / 3
        • She divided the animals she gave away equally between her 3 little sisters.
        • We can divide 48÷3, (48, divided by, 3) to see how many animals each sister got.
      • Hint #3 / 3
        • Each of Erica's sisters got 16 stuffed animals.

挑戰 2

  • 挑戰 2
    1. A group of 4 friends is playing cards.
    2. The deck has 70 cards.
    3. To start the game, the dealer makes a pile of 15 cards in the center.
    4. Then the remaining cards are dealt one at a time to each player until all the cards are gone.
    5. What is the greatest number of cards any player will have after all the cards are dealt?
    6. Ans:14 cards

挑戰 3

  • 挑戰 3
    1. There are 65 campers at Fun Camp.
    2. Only 53 campers brought sleeping bags.
    3. How many campers did not bring sleeping bags?
    4. Ans: 12 campers
      • Hint #1 / 2
        • To find the number of campers without sleeping bags, we start with the total number of campers and subtract the 53 that did bring sleeping bags.
      • Hint #2 / 2
        • 12 campers did not bring sleeping bags.

挑戰 4

  • 挑戰 4
    1. In a basketball game, the Giraffes scored 13 fewer points than the Penguins.
    2. The Penguins scored 87 points.
    3. How many points did the Giraffes score?
    4. Ans: 14 points

挑戰 5

  • 挑戰 5
    1. 9x1 1/12 (Read step by step solution by WolframAlpha)