2018年11月16日 星期五

khanacademy






                                     










小學雙語數學:Represent multi-step word problems using equations


  1. Spongebill is serving 11 customers at the Starfish Diner.
  2.  Each customer buys a Crispy Star for 3 sea dollars and a glass of milk for 1 sea dollar.
  3. Which equation can we use to find the total number of sea dollars the diner collects?
  4. Choose 1 answer:

小學雙語數學:Represent multi-step word problems using equations

  1. A cooking class had 62 students. 
  2. One group of 35 students chose to cook spaghetti with meatballs.
  3.  The teacher divided the remaining students into groups of 3 to make bread sticks.
  4. Which equation can we use to find out how many groups of students will make bread sticks?
  5. Choose 1 answer:

小學雙語數學:Represent multi-step word problems using equations


  1. Phineas and Ferb are trying to build the world's tallest water slide.
  2.  They build the slide in sections that are each 6 meters tall.
  3.  They want their slide to be 5 meters taller than the next tallest slide, which is 49 meters tall.
  4. Which equation can we use to find the number of sections  Phineas and Ferb should use to meet their goal?
  5. Choose 1 answer:

小學雙語數學:Represent multi-step word problems using equations

  1. Alena had 4 packs of gum with 6 pieces of gum in each pack.
  2.  Alena has 9 pieces of gum left.
  3. Which equation can we use to find out how many pieces of gum Alena chewed?
  4. Choose 1 answer:
Choose 1 answer:

2018年11月9日 星期五

排列組合與機率5中取五直線排列