大数的认识
Working with Large Numbers
解决涉及读写、排序、比较和四舍五入不超过 1,000,000 的整数的数字问题及实际问题。
Solve number and practical problems involving reading, writing, ordering, comparing, and rounding whole numbers up to 1,000,000
学习证据 / Evidence
- 各位数字之和为 15 的最大六位数是多少？
- 一座体育场可容纳 67,450 人。为新闻报道将其四舍五入到最接近的千位。
- 将五个城市的人口排序，并求出最大数与最小数之间的差。
- What is the largest six-digit number with digits summing to 15?
- A stadium holds 67,450 people. Round to the nearest thousand for a news report
- Order the populations of five cities and find the difference between the largest and smallest
评估问题 / Assessment
如果告诉 {{name}} 一座城市的人口是 2,347,819，{{name}} 能否正确读出这个数，并说出它大约是几百万？
If {{name}} is told the population of a city is 2,347,819, can they read that number aloud correctly and say roughly how many millions it is?