四舍五入到整十、整百、整千
Rounding to 10, 100, 1000
将任意数四舍五入到最接近的整十、整百或整千数。
Round any number to the nearest 10, 100, or 1000
学习证据 / Evidence
- 将4,367四舍五入到最接近的整十(4,370)、整百(4,400)和整千(4,000)。
- 用数轴解释四舍五入的规则(哪一个倍数更接近)。
- 应用四舍五入来估算计算结果。
- Round 4,367 to the nearest 10 (4,370), 100 (4,400), and 1000 (4,000)
- Explain the rounding rule using a number line (which multiple is closer)
- Apply rounding to estimate calculations
评估问题 / Assessment
{{name}}能否将像4,738这样的数四舍五入到最接近的整十(4,740)、整百(4,700)或整千(5,000),并解释他们看哪一位数字来决定?
Can {{name}} round a number like 4,738 to the nearest 10 (4,740), 100 (4,700), or 1,000 (5,000) — and explain which digit they look at to decide?