Addition and subtraction within 1000

Progress
Adding 1s, 10s, and 100s
Subtracting 1s, 10s, and 100s
Strategies for adding 2- and 3-digit numbers
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Unit test
10 questions

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Unit test
Test your understanding of Addition and subtraction within 1000 with these 10 questions.
About Addition and subtraction within 1000
Learn to add and subtract two- and three-digit numbers within 1000.