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Iowa Core Mathematics Support

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Judith Spitzli
515-402-8600
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Classroom Resources - Problem-based Instructional Task

Elementary School

icon Four Triangle Problem with Formative Assessment Grade K

icon Four Triangle Problem with Formative Assessment Grade 2

Estimating: Counting Trees

Estimations and Approximations: The Money Munchers

icon Magnifying and Shrinking

Maximizing Area: Golden Rectangles

Modeling: Making Matchsticks

Shading Areas of Grids

Solving Real Life Problems: Baseball Jerseys

Using Dimensions: Designing a Sports Bag

Devising a Measure for Correlation

Ferris Wheel

Optimization: Boomerang

Solving Geometry Problems: Floodlights

Resources for Teaching the Iowa Core Additional Standards in High School Mathematics

Teaching for Understanding (Mary Martensen video)