Ms. Deckers Third Grade Class

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Teaching Children Who Struggle With
MathematicsChapter 8
Paige Andrews, Elaine Landry, Phyllis Holt and
Lisa Crowder
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Decimal Fractions Misconceptions

• Decimals are easyyou just stick a dot into a
  regular number.
• You can tell which number is bigger just by
  looking at the end number.
• You only need decimals to learn about money.
• Decimals are numbers with th in them.

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Why Do Students Struggle With Decimals?

• They dont understand the meaning of number size
• They have trouble ordering decimals
• They have difficulty choosing the correct
  operation
• They have difficulty making sense of their
  answers

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Decimal Websites

• Ted the Builder- Ordering Decimals
• Comparing Fractions and Decimals
• Cool Math - Converting Decimals to Fractions
• Cool Math- Converting Fractions to Decimals
• Death to Decimals- Equivalent Fractions and
  Decimals
• Decimal Challenge- Ordering Decimals
• Fractions, Decimals and Percentages
• Decifractator- Equivalent Fractions and Decimals
• Equivalent Fractions, Decimals - Models
• Decimal Fraction Concentration

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How do we remediate?

• Connect what students already know about
  fractions to decimals
• Determine what consistent error is being made
  while using the four operations

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Using Real World Applications to Teach Decimals

• Help students relate to decimals by using real
  world problems
• Money
• Grocery shopping/advertisements
• Grocery receipts
• Measuring for a race

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Using a Place Value to Teach Decimals

• Use models to show 1 whole, 1/10, and 1/100
• 100s square grid for games
• Digi Blocks
• Instructional Activities p. 197-202

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Decimals and Operations

• Decimals- 4 Operations
• Decimals- Fast Facts
• Decimals, Whole Numbers and Exponents
• Funbrain Football- Addition and Subtraction
• Jeopardy- Decimals
• http//Rags to Riches- Adding Decimals

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Literature Links

• Piece Part Portion
• By Scott Gifford
• Delightful Decimals
• By Lynette Long
• Decimals and Fractions
• By Cynthia Mitchell

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This PowerPoint is published on Paige Andrews
website.