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Unit 2: Addition and Subtraction
1,300 possible mastery points
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Quiz
Unit test
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- Add within 10Get 5 of 7 questions to level up!
- Subtract within 10Get 5 of 7 questions to level up!
- Add within 20Get 5 of 7 questions to level up!
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Practice
- Adding up to four 2-digit numbersGet 3 of 4 questions to level up!
- Break apart 2-digit addition problemsGet 3 of 4 questions to level up!
- Break apart 3-digit addition problemsGet 3 of 4 questions to level up!
- Break apart 3-digit subtraction problemsGet 3 of 4 questions to level up!
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Practice
- Add using groups of 10 and 100Get 3 of 4 questions to level up!
- Add within 1000Get 3 of 4 questions to level up!
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Practice
- Subtract within 1000Get 3 of 4 questions to level up!
Learn
Practice
- Addition word problems within 100Get 3 of 4 questions to level up!
- Subtraction word problems within 100Get 3 of 4 questions to level up!
- Add and subtract within 1000 word problemsGet 3 of 4 questions to level up!
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Level up on all the skills in this unit and collect up to 1,300 Mastery points!