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Unit 1: Add and subtract within 20
800 possible mastery points
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About this unit
In this unit, we'll learn how to add and subtract small numbers in a fun and interactive way, develop confidence with these basic math skills, and build a strong foundation for future learning.Learn
Practice
- Add within 20 visuallyGet 5 of 7 questions to level up!
- Add within 20Get 5 of 7 questions to level up!
Learn
Practice
- Adding with arraysGet 3 of 4 questions to level up!
- Array word problemsGet 3 of 4 questions to level up!
Learn
Practice
- Subtract within 20 visuallyGet 5 of 7 questions to level up!
- Subtract within 20Get 5 of 7 questions to level up!
Learn
Practice
- Add & subtract within 20Get 5 of 7 questions to level up!
- Add and subtract within 20 word problemsGet 5 of 7 questions to level up!
Up next for you:
Level up on all the skills in this unit and collect up to 800 Mastery points!