书面乘法与除法
Written Multiplication & Division
能够运用已知的乘法口诀，写出并计算乘法和除法的算式，包括两位数乘一位数；先用心算，再逐步过渡到规范的书面计算方法。
Write and calculate mathematical statements for multiplication and division using known tables, including two-digit × one-digit, using mental and progressing to formal written methods
学习证据 / Evidence
- 用拆分法计算 23 × 4（20 × 4 + 3 × 4）
- 利用已知的乘法口诀计算 96 ÷ 8
- 开始使用规范的书面竖式进行一位数乘法计算
- Calculate 23 × 4 using partitioning (20 × 4 + 3 × 4)
- Calculate 96 ÷ 8 using known table facts
- Begin to use a formal written layout for short multiplication
评估问题 / Assessment
{{name}}能用乘法口诀心算‘23 × 4’或‘68 ÷ 4’这类题目，或者能一步一步写出来计算吗？
Can {{name}} work out sums like '23 × 4' or '68 ÷ 4' — either in their head using times table knowledge, or by writing it out step by step?