钱币加减法
Money Addition & Subtraction
解决涉及加法和减法的简单货币问题，包括计算找零。
Solve simple money problems involving addition and subtraction, including giving change
学习证据 / Evidence
- 计算两件以便士标价商品的总价
- 计算购买一件35便士的商品后，从50便士中应找回多少零钱
- 解决“我还需要多少钱？”的问题
- Calculate the total cost of two items priced in pence
- Work out change from 50p after buying an item costing 35p
- Solve 'How much more money do I need?' problems
评估问题 / Assessment
如果{{name}}花45便士买一份零食，并用一枚1英镑硬币付款，{{name}}能算出应该找回多少零钱，并数出来吗？
If {{name}} buys a snack for 45p and pays with a £1 coin, can they work out how much change they should get — and count it back?