Mathematics
Multiplication & Division
Procedural
10–11 yrs
Rounding Answers
答案的四舍五入
Description
Solve problems which require answers to be rounded to specified degrees of accuracy
Mastery Evidence
- Compute a division and round the result to one decimal place as specified
- Determine the appropriate degree of accuracy for a measurement context (e.g. round to nearest penny)
- Solve a problem where an unrounded decimal answer must be interpreted in context (e.g. whole containers needed)
Assessment Prompt
If your child calculates an answer of 8.63 but the question asks for it to the nearest whole number, can they round it correctly to 9 — and explain why that level of precision matters in context?
Prerequisites 3
Decimal place value
按指定精度四舍五入需要掌握基本的四舍五入技能
Estimation to check answers to calculations
根据情境选择合适的精度与估算技能相关联
Division with Decimals
对答案进行四舍五入,需要先有可供处理的答案(来自除法运算)
Unlocks 0
No follow-up topics