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Unit: Get ready for addition, subtraction, and estimation
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Learn
Practice
- Round to nearest 10 or 100 on the number lineGet 5 of 7 questions to level up!
- Round to nearest 10 or 100Get 3 of 4 questions to level up!
Learn
Practice
- Break apart 3-digit addition problemsGet 3 of 4 questions to level up!
- Add using groups of 10 and 100Get 3 of 4 questions to level up!
- Select strategies for adding within 1000Get 3 of 4 questions to level up!
Learn
Practice
- Break apart 3-digit subtraction problemsGet 3 of 4 questions to level up!
- Select strategies for subtracting within 1000Get 3 of 4 questions to level up!
Learn
Practice
- Add within 1000Get 3 of 4 questions to level up!
- Subtract within 1000Get 3 of 4 questions to level up!
Up next for you:
Level up on all the skills in this unit and collect up to 900 Mastery points!