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Investigating the Big Ideas for Numbers & Operations in the Elementary Grades
SCCTM 2017 Dawn Bryant J. D. Lever Elementary School Aiken County Public Schools
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What you can expect … Explore activities to actively engage elementary students in understanding place value, operations with re-grouping, and foundational fraction concepts Access to tasks with manipulatives – base-ten blocks and fraction bars Discuss children’s literature to support the topics
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What number best represents YOU and why?
Represent YOUR number using base ten blocks. 99 46
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What does this number represent?
7,434,758,750
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World Population/Place Value
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Composing Numbers with Base Ten Blocks
How many ways are there to make a sum of 11 using only two addends? Example:
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Virtual Base Ten Blocks
Make the number using the base ten blocks.
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12 Ways to Get to 11 by Eve Merriam
Read the story. Listen for and write the ways to get 11. How many ways are there to make 11?
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Select Related Children’s Literature
12 Ways to Get to 11 Getting to 100 One Hundred Hungry Ants Mission of Addition Zero the Hero The King’s Commissioners How Much is a Million Do you have other favorites?
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Who am I? I have 5 base-ten blocks. Some are rods and some are unit blocks. Their value is less than 20.
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Who am I? I have 8 base-ten blocks. Some are units blocks and some are rods. Their value is an odd number between 50 and 60.
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Race to the Flat
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Watch third grade students play a round of Race to a Flat.
Let’s play a game! Watch third grade students play a round of Race to a Flat. Student Video
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Let’s Practice!
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Technology Resources
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Another Big Idea in Grades 3 - 5
Fractions
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Fraction Tiles
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Virtual Fraction Bars Math Playground
ABCya
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Show one-half in three different ways using fraction tiles.
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The Fraction Rainbow Construct the Fraction Rainbow with the Fraction Bars. Look for patterns and relationships. What do you notice about the relationships of the numerators and denominators? What do you notice about the size of the fraction bar and the denominator?
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Fraction Bar Tasks 1. Show three-fourths in three different ways using fraction tiles. 2. Show two-thirds in different ways using fraction tiles. 3. Find an equivalent fraction for two-fifths. 4. Reflection: How do the tiles help you determine equivalent fractions?
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Equivalent Fractions Use your fraction bars to form equivalent fractions. Line up the fraction strips to form the same length. Write the equivalent fractions.
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What does this represent?
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Comparing Fractions Use your fraction bars to compare fractions.
Line up each fraction strip to see which fraction has the greatest length. Use >, <, or = to compare each pair of fractions.
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Comparing Fractions
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Reflection
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Addition & Subtraction of Fractions
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Quick Fraction Ideas for Activators Prior to Lessons
Fraction Dance with newspapers Fractions with Legos Fraction- Pictionary Double sided counter toss Fraction Scoot Task Cards
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Methods to Increase Conceptual Understanding
Fraction Bars Fraction Circles Paper Strips Drawings Cuisenaire Rods Pattern Blocks Linking Cubes Virtual Manipulatives
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Select Related Children’s Literature
Full House
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Fraction Teamwork Challenge
Use critical thinking skills to build a number line bridge using clues. *Activity from TPT. Free!
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On-line Resources Cyberchase: Fraction Concepts
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On-line Resources Fraction Track
Fraction Pointer
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Thanks for attending the session!
Contact: J. D. Lever Elementary School Aiken County Pubic Schools Renewal Code: 2A38
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