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Unit: Addition and subtraction

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.

Basic addition and subtraction

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Making 10

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Addition and subtraction word problems within 10

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Quiz 1

Identify your areas for growth in these lessons:
Basic addition and subtraction
Making 10
Addition and subtraction word problems within 10

Addition and subtraction within 20

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Word problems within 20

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Word problems with "more" and "fewer"

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Quiz 2

Identify your areas for growth in these lessons:
Addition and subtraction within 20
Word problems within 20
Word problems with "more" and "fewer"

Intro to addition with 2-digit numbers

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Intro to subtraction with 2-digit numbers

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Strategies for adding and subtracting within 100

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Quiz 3

Identify your areas for growth in these lessons:
Intro to addition with 2-digit numbers
Intro to subtraction with 2-digit numbers
Strategies for adding and subtracting within 100

Addition within 100

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Practice

Subtraction within 100

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Word problems within 100

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Quiz 4

Identify your areas for growth in these lessons:
Addition within 100
Subtraction within 100
Word problems within 100

Adding 1s, 10s, and 100s

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Subtracting 1s, 10s, and 100s

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Strategies for adding 2- and 3-digit numbers

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Quiz 5

Identify your areas for growth in these lessons:
Adding 1s, 10s, and 100s
Subtracting 1s, 10s, and 100s
Strategies for adding 2- and 3-digit numbers

Addition with regrouping within 1000

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Practice

Subtraction with regrouping within 1000

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Practice

Addition and subtraction missing value problems

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Quiz 6

Identify your areas for growth in these lessons:
Addition with regrouping within 1000
Subtraction with regrouping within 1000
Addition and subtraction missing value problems

Addition and subtraction greater than 1000

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Practice

Quiz 7

Identify your areas for growth in this lesson:
Addition and subtraction greater than 1000

Unit test

Test your understanding of Addition and subtraction with these 37 questions.