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Unit: Add and subtract within 100
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About this unit
Sharpen your pencils and get ready to flex your math muscles! In this unit, you'll dive into addition and subtraction within 100. Whether you're using number lines, place value blocks, or solving word problems, you'll become a math master in no time.Learn
Practice
- Add within 100 using place value blocksGet 3 of 4 questions to level up!
- Add within 100 using a number lineGet 3 of 4 questions to level up!
Learn
Practice
- Break apart 2-digit addition problemsGet 3 of 4 questions to level up!
- Add 2-digit numbers by making tensGet 3 of 4 questions to level up!
- Select strategies for adding within 100Get 3 of 4 questions to level up!
Learn
Practice
- Subtract within 100 using place value blocksGet 3 of 4 questions to level up!
- Subtract within 100 using a number lineGet 3 of 4 questions to level up!
Practice
- Find the missing number (add and subtract within 100)Get 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!
Learn
Practice
- Add and subtract on the number line word problemsGet 3 of 4 questions to level up!
- 2-step addition word problems within 100Get 3 of 4 questions to level up!
- 2-step subtraction word problems within 100Get 3 of 4 questions to level up!
Up next for you:
Level up on all the skills in this unit and collect up to 1300 Mastery points!