# Addition and subtraction

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Lessons

Basic addition and subtractionMaking 10Quiz 1Addition and subtraction word problems within 10Addition and subtraction within 20Quiz 2Word problems within 20Word problems with "more" and "fewer"Quiz 3Intro to addition with 2-digit numbersIntro to subtraction with 2-digit numbersQuiz 4Strategies for adding and subtracting within 100Addition within 100Subtraction within 100Quiz 5Word problems within 100Adding 1s, 10s, and 100sQuiz 6Subtracting 1s, 10s, and 100sStrategies for adding 2- and 3-digit numbersQuiz 7Addition with regrouping within 1000Subtraction with regrouping within 1000Addition and subtraction missing value problemsAddition and subtraction greater than 1000Unit testPractice

Quizzes

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Add within 5

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Subtract within 5

7 questions

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Add within 10

7 questions

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Subtract within 10

7 questions

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Relate addition and subtraction

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Addition word problems within 10

7 questions

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Subtraction word problems within 10

7 questions

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Identify your areas for growth in these lessons:

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Identify your areas for growth in these lessons:

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Add 2-digit numbers by making tens

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Add 2-digit numbers by making tens 2

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Select strategies for adding within 100

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Add and subtract using a number line

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Subtract within 100

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Add and subtract on the number line word problems

7 questions

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Add and subtract within 100 word problems 1

7 questions

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Add and subtract within 100 word problems 2

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Add 10s and 100s (no regrouping)

7 questions

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

7 questions

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Subtract 10s and 100s (no regrouping)

7 questions

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

7 questions

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Add within 1000

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**Addition and subtraction**with these 15 questions.About this unit

In this topic, we will add and subtract whole numbers. The topic starts with 1+1=2 and goes through adding and subtracting within 1000. We will cover regrouping, borrowing, and word problems.