Standards Map

Mathematics > Grade 2 > Number and Operations in Base Ten
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Mathematics | Grade : 2

Domain - Number and Operations in Base Ten

Cluster - Understand place value.

[2.NBT.A.1] - 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:

Resources:


  • Digit
    a) Any of the Arabic numerals 1 to 9 and usually the symbol 0; b) One of the elements that combine to form numbers in a system other than the decimal system.

Predecessor Standards:

  • 1.NBT.B.2
    Understand that the two digits of a two-digit number represent amounts of tens and ones. Understand the following as special cases:

Successor Standards:

  • 3.NBT.A.1
    Use place value understanding to round whole numbers to the nearest 10 or 100. [Note: A range of algorithms may be used.]
  • 3.NBT.A.3
    Multiply one-digit whole numbers by multiples of 10 in the range 10–90 (e.g., 9 x 80, 5 x 60) using strategies based on place value and properties of operations. [Note: A range of algorithms may be used.]
  • 4.NBT.A.1
    Recognize that in a multi-digit whole number, a digit in any place represents 10 times as much as it represents in the place to its right. For example, recognize that 700 ÷ 70 = 10 by applying concepts of place value and division.

Same Level Standards:

  • 2.NBT.A.2
    Count within 1,000; skip-count by 5s, 10s, and 100s. Identify patterns in skip counting starting at any number.
  • 2.NBT.A.3
    Read and write numbers to 1,000 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 >, =, and < symbols to record the results of comparisons.
  • 2.NBT.B.6
    Add up to four two-digit numbers using strategies based on place value and properties of operations.
  • 2.NBT.B.7
    Add and subtract within 1,000, 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.B.8
    Mentally add 10 or 100 to a given number 100–900, and mentally subtract 10 or 100 from a given number 100–900.