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For young students, extending the counting sequence past 9 into double digits is still a matter of memorizing each number’s name and written representation. But as students learn that each number represents a concrete value, teaching place values helps them to see that each digit within the number denotes a discrete amount as well. From first to fifth grade, the elementary school math curriculum introduces place values sequentially, starting at ones and tens, building to hundred-thousands. Moving into the decimal positions, fifth graders expand their understanding of place values into the tenths and hundredths. Read More



The following games are recommended for Elementary School Number
& Operations in Base Ten Lists.

Which Initial Sound? allows students to create and type in a sentence for each one of their spelling or vocabulary words.

Play Which Initial Sound? with a 1st grade Number
& Operations in Base Ten list.


Word-O-Pillar provides practice unscrambling letters to form words.

Play Word-O-Pillar with a 2nd grade Number
& Operations in Base Ten list.


Word-O-Rama provides practice identifying words by their definitions, synonyms, antonyms, or by their context within a sentence.

Play Word-O-Rama with a 4th grade School Number
& Operations in Base Ten list.

Common Core State Standards Overview for Elementary School - Number & Operations in Base Ten

K
  • Work with numbers 11-19 to gain foundations for place value.
1st
  • Extend the counting sequence.
  • Understand place value.
  • Use place value understanding and properties of operations to add and subtract.
2nd
  • Understand place value.
  • Use place value understanding and properties of operations to add and subtract.
3rd
  • Use place value understanding and properties of operations to perform multi-digit arithmetic.
4th
  • Generalize place value understanding for multi-digit whole numbers.
  • Use place value understanding and properties of operations to perform multi-digit arithmetic.
5th
  • Understand the place value system.
  • Perform operations with multi-digit whole numbers and with decimals to hundredths.
Source: www.corestandards.org
 
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