Mathematics
Number Representation & Place Value
Procedural
9–10 yrs
Working with Large Numbers
大数的运算
Description
Solve number and practical problems involving reading, writing, ordering, comparing, and rounding whole numbers up to 1,000,000
Mastery Evidence
- 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
Assessment Prompt
If your child 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?
Prerequisites 2
Rounding Large Numbers
必须先学会数字取近似值，再解决涉及取近似值的问题
Reading and writing numbers (age 9+)
必须先能读、写、比较数字，再用它们解决问题
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