Measuring the World: Length and Data · Measurement & Data
Estimating and Comparing Lengths
Developing a mental benchmark for units of measure to estimate lengths and find differences between objects.
Key Questions
- 1How can we use our own bodies to create mental benchmarks for an inch or a foot?
- 2Why is an estimate sometimes 'good enough' in real life problem solving?
- 3How does subtraction help us describe the relationship between two different lengths?
Common Core State Standards
CCSS.Math.Content.2.MD.A.3CCSS.Math.Content.2.MD.A.4
Grade: 2nd Grade
Subject: Mathematics
Unit: Measuring the World: Length and Data
Period: Measurement & Data
Suggested Methodologies
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