- Petal Elementary
- Place Value
Math and Science - Fourth Grade
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Place ValueObjective:
4.NBT.1. Recognize that in a multi-digit whole number, adigit in one place represents ten times what it represents in the place to itsright. For example, recognize that 700 ÷70 = 10 by applying concepts of place value and division.
4.NBT.2. Read and write multi-digit whole numbers using base-ten numerals, number names, and expanded form. Compare two multi-digit numbers based on meanings of the digits in each place, using >, =, and <symbols to record the results of comparisons.
Unit Information:
During this unit, we will be focusing on place value of whole numbers through the millions.
We will be writing numbers in:
- Standard form: 2,412,346
- Expanded form: 2,000,000 + 400,000 + 10,000 + 2,000 + 300 + 40 + 6
- Word form: two million, four hundred twelve thousand, three hundred forty-six
We will learn more about decimal numbers later in the year.
Place Value Order:
- millions, hundred thousands, ten thousands, thousands, hundreds, tens, ones
Vocabulary Words:Digit: any numeral from zero to nine ..... 0,1,2,3,4,5,6,7,8,9Place Value: numerical value a digit has based on its position in a numberPlace - where the digit is locatedValue - how much the digit is worthStandard form: digits onlyExpanded form: the number written as the sum of the value of digitsWord form: a way to write a number using wordsWebsites:I have listed several websites below that will be helpful to you during this unit. Some of the websites have online games, others have worksheets that may help you practice with these skills. Feel free to use as much or as little as you'd like.http://www.softschools.com/math/place_value/teaching_place_value/ http://www.softschools.com/math/practice/place_value.jspTRIPLES with EMMA