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Understand Place Value.
2.NBT.1Understand that the three digits of ...more
Understand that the three digits of a three-digit number represent amounts of hundreds, tens, and ones; e.g., 706 equals 7 hundreds, 0 tens, and 6 ones. Understand the following as special cases:
2.NBT.1.a100 can be thought of as a bundle of...more
100 can be thought of as a bundle of ten tens — called a “hundred.”
2.NBT.1.bThe numbers 100, 200, 300, 400, 500,...more
The numbers 100, 200, 300, 400, 500, 600, 700, 800, 900 refer to one, two, three, four, five, six, seven, eight, or nine hundreds (and 0 tens and 0 ones).
2.NBT.2Count within 1000; skip-count by 5s,...more
Count within 1000; skip-count by 5s, 10s, and 100s.
2.NBT.3Read and write numbers to 1000 using...more
Read and write numbers to 1000 using base-ten numerals, number names, and expanded form.
2.NBT.4Compare two three-digit numbers base...more
Compare two three-digit numbers based on meanings of the hundreds, tens, and ones digits, using >, =, and < symbols to record the results of comparisons.
Use Place Value Understanding And Properties Of Operations To Add And Subtract.
2.NBT.5Fluently add and subtract within 100...more
Fluently add and subtract within 100 using strategies based on place value, properties of operations, and/or the relationship between addition and subtraction.
2.NBT.6Add up to four two-digit numbers usi...more
Add up to four two-digit numbers using strategies based on place value and properties of operations.
2.NBT.7Add and subtract within 1000, using ...more
Add and subtract within 1000, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method. Understand that in adding or subtracting three- digit numbers, one adds or subtracts hundreds and hundreds, tens and tens, ones and ones; and sometimes it is necessary to compose or decompose tens or hundreds.
2.NBT.8Mentally add 10 or 100 to a given nu...more
Mentally add 10 or 100 to a given number 100–900, and mentally subtract 10 or 100 from a given number 100–900.
2.NBT.9Explain why addition and subtraction...more
Explain why addition and subtraction strategies work, using place value and the properties of operations.3
Major cluster will be a majority of the assessment, Supporting clusters will be assessed through their success at supporting the Major Clusters and Additional Clusters will be assessed as well. The assessments will strongly focus where the standards strongly focus.
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