3.MATH.2.A
Compose and decompose numbers up to 100,000 as a sum of so many ten thousands, so many thousands, so many hundreds, so many tens, and so many ones using objects, pictorial models, and numbers, including expanded notation as appropriate.
Grade 3 · Texas Essential Knowledge and Skills (TEKS) · TEKS 2012
Standard Unwrapping
AI-generated as a starting point — sign in to edit.Vocabulary
numberssumten thousandsthousandshundredstensonesobjectspictorial modelsexpanded notation
Skills
- compose (numbers up to 100,000 as sums of place values) #dok2
- decompose (numbers up to 100,000 as sums of place values) #dok2
- represent (numbers using objects, pictorial models, and numbers) #dok1
- use (expanded notation to show numbers up to 100,000) #dok1
Learning Targets
- I can represent numbers up to 100,000 using objects, models, and numbers. #dok1
- I can use expanded notation to show numbers up to 100,000. #dok1
- I can compose numbers up to 100,000 by combining ten thousands, thousands, hundreds, tens, and ones. #dok2
- I can decompose numbers up to 100,000 into ten thousands, thousands, hundreds, tens, and ones using models and notation. #dok2
- I can create models to show a number in more than one way. #dok3
Big Ideas
- Numbers can be broken into place value components and combined to represent the same value in different ways.
- Using objects, models, and expanded notation helps us understand the structure and value of large numbers.
Essential Questions
- How can you break apart a large number to show the value of each digit?
- In what different ways can you represent a number using models or expanded notation?
- Why is understanding place value important when working with numbers up to 100,000?
- How does expanded notation help you see the value of each digit in a number?
- How can objects or pictorial models make numbers easier to understand?