Mathematics Manipulatives John Marallo Marlboro Central School District September 13, 2013 Where did the new materials come from? • Mathematics Materials List from EngageNY • Story of Units (K-5) • Story of Ratios (6-8) • Story of Functions (9-12) • Ordered through our Curriculum & Instruction OfficeArrived in July • Ready for use for 2013-2014 Fraction Tiles • • • • 6th Grade Manipulative Equivalent Fractions Comparing Fractions Operations with Fractions Video #1 Common Denominators with Fraction Tiles Video #2 Divide Mixed Numbers by Fractions Using Models Two-Color Counters • 6th and 7th Grade Manipulative • Comparing Integers • Adding & Subtracting Integers Video Zero Pairs, Manipulatives, and a Real-World Scenario Base Ten Blocks • 6th Grade Manipulative • Operations with Decimals Video #1 Adding Decimals with Base Ten Blocks Video #2 Dividing Decimals with Base Ten Blocks Interlocking (Unifix) Cubes • 6th and 7th Grade Manipulative • Number Sense • Fractions • LOOK FOR ELEM VIDEO Pattern Blocks • 6th Grade Manipulative • Foundational Concepts Associated with Fractions • Operations with Fractions Video #1 What Fraction of This Shape is Red? Video #2 Adding Fractions Using Pattern Blocks GeoModel Folding Shapes • 6th, 7th, and 8th Grade Manipulative • Three-Dimensional Figures • Vocabulary • Surface Area • Volume Video GeoModel Folding Nets Double Number Lines • Useful when comparing two different quantities • Useful for ratio problems Video Solve Ratio Problems Using Double Number Lines Tape Diagrams • Can be used in the primary grades, all the way through high school mathematics courses. • Useful for helping students dissect word problems • Can be used as a way to provide a concrete representation for algebraic equations and simultaneous equations. • Fractions can also be incorporated into tape diagrams. Tape Diagrams Basic Example Jose has 4 paper clips. Harry has twice as many paper clips as Jose. How many paper clips do they have altogether? Tape Diagrams With Fractions #1 David spent 2/5 of his money on a game. The game costs $40. How much did he have at first? Tape Diagrams With Fractions #2 Alex bought some chairs. One-third of them were red and onefourth of them were blue. The remaining chairs were yellow. What fraction of the chairs were yellow? Tape Diagrams Simultaneous Equations Two pears and a pineapple cost $2. Two pears and three pineapples cost $4.50. Find the cost of a pineapple.