RootsEDU小学课程图谱与学习系统
数学 / Mathematics 测量 / Measurement PROCEDURAL 7 至 8 岁

一半和四分之一(7岁以上)

Halves and quarters (age 7+)

解决涉及美元纸币、25美分硬币、10美分硬币、5美分硬币和1美分硬币的应用题,并正确使用 $ 和 ¢ 符号。

Solve word problems involving dollar bills, quarters, dimes, nickels, and pennies, using $ and ¢ symbols appropriately

学习证据 / Evidence

评估问题 / Assessment

如果 {{name}} 有2枚25美分硬币、1枚10美分硬币和3枚1美分硬币,能算出总金额,并判断这些钱是否够买一件65美分的东西吗?

If {{name}} has 2 quarters, 1 dime, and 3 pennies, can they work out the total — and tell you whether that's enough to buy something costing 65 cents?

先修关系图 / Learning path