理解分数
Understanding fractions
运用分数和倍数的知识,解决不平均分配与分组的问题。
Solve problems involving unequal sharing and grouping using knowledge of fractions and multiples
学习证据 / Evidence
- 把40颗糖果按3:5的比例分给两个孩子。
- 求解:“Tom分到的糖果是Sam的两倍,Sam分到的是Jo的三倍。如果总共有30颗,那么每个人各分到多少颗?”
- 运用分数知识解释为什么按2:3的比例分配意味着其中一人得到总数的2/5。
- Share 40 sweets between two children in the ratio 3:5
- Solve: 'Tom gets twice as many as Sam and Sam gets three times as many as Jo. If there are 30 altogether, how many does each get?'
- Use fraction knowledge to explain why sharing in ratio 2:3 means one person gets 2/5 of the total
评估问题 / Assessment
如果三个朋友一起分一袋24颗糖果,其中一个人分到的糖果数量是另外两个人各自分到的两倍,{{name}}能算出每个人各分到多少颗吗?
If three friends share a bag of 24 sweets so that one person gets twice as many as each of the others, can {{name}} work out how many each person receives?