小数位值（8 岁以上）
Decimal place value (age 8+)
比较小数位数相同且最多有两位小数的数
Compare numbers with the same number of decimal places up to two decimal places
学习证据 / Evidence
- 将 0.45、0.54、0.39 从小到大排列
- 运用位值推理比较 3.72 和 3.27
- 将三个两位小数按顺序标在数轴上
- Order 0.45, 0.54, 0.39 from smallest to largest
- Compare 3.72 and 3.27 using place-value reasoning
- Place three two-decimal-place numbers on a number line in order
评估问题 / Assessment
如果{{name}}在比较两个价格——£4.75 和 £4.57——不用计算器，能说出哪个更贵吗？
If {{name}} is comparing two prices — £4.75 and £4.57 — can they tell you which is more expensive without using a calculator?