Addition and subtraction

Progress
Basic addition and subtraction
Making 10
Quiz 1
7 questions
Addition and subtraction word problems within 10
Addition and subtraction within 20
Quiz 2
5 questions
Word problems within 20
Word problems with "more" and "fewer"
Quiz 3
5 questions
Intro to addition with 2-digit numbers
Intro to subtraction with 2-digit numbers
Quiz 4
5 questions
Strategies for adding and subtracting within 100
Addition within 100
Subtraction within 100
Quiz 5
6 questions
Word problems within 100
Adding 1s, 10s, and 100s
Quiz 6
5 questions
Subtracting 1s, 10s, and 100s
Strategies for adding 2- and 3-digit numbers
Quiz 7
5 questions
Addition with regrouping within 1000
Subtraction with regrouping within 1000
Addition and subtraction missing value problems
Addition and subtraction greater than 1000
Unit test
15 questions

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Test your understanding of 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.