2.MATH.7.B
Use an understanding of place value to determine the number that is 10 or 100 more or less than a given number up to 1,200.
Grade 2 · Texas Essential Knowledge and Skills (TEKS) · TEKS 2012
Standard Unwrapping
AI-generated as a starting point — sign in to edit.Vocabulary
place valuenumber10 more10 less100 more100 lessgiven numberwhole number
Skills
- determine (the number that is 10 more than a given number up to 1,200) #dok1
- determine (the number that is 10 less than a given number up to 1,200) #dok1
- determine (the number that is 100 more than a given number up to 1,200) #dok1
- determine (the number that is 100 less than a given number up to 1,200) #dok1
- use (place value understanding to find numbers 10 or 100 more or less than a given number) #dok2
Learning Targets
- I can determine the number that is 10 more than a given number up to 1,200. #dok1
- I can determine the number that is 10 less than a given number up to 1,200. #dok1
- I can determine the number that is 100 more than a given number up to 1,200. #dok1
- I can determine the number that is 100 less than a given number up to 1,200. #dok1
- I can use my knowledge of place value to find numbers that are 10 or 100 more or less than a given number. #dok2
- I can explain the strategy I used to find 10 or 100 more or less than a given number. #dok2
Big Ideas
- Changing a number by 10 or 100 can be understood and calculated using place value.
- Understanding and manipulating place value helps us quickly find related numbers in real-life situations.
Essential Questions
- How does knowing about place value help you find a number that is 10 or 100 more or less than another number?
- What patterns do you notice when you add or subtract 10 or 100 from a number?
- In what situations might you need to quickly find a number that is 10 or 100 more or less?
- How can you use mental math to solve problems involving 10 or 100 more or less?
- How can you check if your answer makes sense when finding a number that is 10 or 100 more or less?