# Addition and subtraction within 1000

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Lessons

Adding 1s, 10s, and 100sSubtracting 1s, 10s, and 100sQuizStrategies for adding 2- and 3-digit numbersUnit testPractice

Quiz

Unit test

Practice

Add 10s and 100s (no regrouping)

7 questions

Practice

Add 2- and 3-digit numbers (no regrouping)

7 questions

Practice

Learn

Practice

Subtract 10s and 100s (no regrouping)

7 questions

Practice

Subtract 2- and 3-digit numbers (no regrouping)

7 questions

Practice

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Learn

Practice

Break apart 3-digit addition problems

4 questions

Practice

Add using groups of 10 and 100

100%

100%

Add and subtract on a number line

4 questions

Practice

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**Addition and subtraction within 1000**with these 10 questions.About this unit

Learn to add and subtract two- and three-digit numbers within 1000.