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Number and Operations in Base Ten

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2.NBT.A.1 Understand that the three digits of a three-digit number represent amounts of hundreds, tens, and...
2.NBT.A.2 Count within 1000; skip-count by 5s, 10s, and 100s.
2.NBT.A.3 Read and write numbers to 1000 using base-ten numerals, number names, and expanded form.
2.NBT.A.4 Compare two three-digit numbers based on meanings of the hundreds, tens, and ones digits, using...