2.MATH.2.B

Use standard, word, and expanded forms to represent numbers up to 1,200.

Grade 2 · Texas Essential Knowledge and Skills (TEKS) · TEKS 2012

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Vocabulary
standard formword formexpanded formnumbers1,200
Skills
  • represent (numbers up to 1,200 in standard form) #dok1
  • represent (numbers up to 1,200 in word form) #dok1
  • represent (numbers up to 1,200 in expanded form) #dok1
  • recognize (when a number is written in different forms) #dok1
  • convert (between standard, word, and expanded forms) #dok2
Learning Targets
  • I can represent numbers up to 1,200 in standard form. #dok1
  • I can represent numbers up to 1,200 in word form. #dok1
  • I can represent numbers up to 1,200 in expanded form. #dok1
  • I can recognize a number written in standard, word, and expanded forms. #dok1
  • I can convert numbers up to 1,200 between standard, word, and expanded forms. #dok2
Big Ideas
  • A single number can be shown in multiple forms—standard, word, and expanded—each giving us different information about its value.
  • Understanding standard, word, and expanded forms helps develop flexibility and fluency with numbers up to 1,200.
Essential Questions
  • What are the different ways to show a number up to 1,200?
  • How does expanded form help us understand what a number means?
  • Why is it important to be able to write numbers in word and expanded forms?
  • How can I use what I know about place value to write a number in different forms?
  • How do standard, word, and expanded forms of a number relate to one another?