Gordon Petronsky


Thank you for visiting my web page.  My name is Gordon Petronsky.  This is my 25th year teaching 4th grade at Robert C. Lindsey Elementary.  I earned my bachelor's degree from John Carroll University in 1997 and went back to get my masters degree in 2000.  I am married and have one child - Aldyn.  I am the high school fall, winter and spring faculty manager.  I coached basketball for 18 years.  I have also coached baseball and softball at all levels at WGHS.  I enjoy yoga, eating and watching the Steelers beat the Browns.

Open House notes 19-20



4th Grade Math Standards


Operations and Algebraic Thinking

  • Use the four operations with whole numbers to solve problems.

  • Gain familiarity with factors and multiples.

  • Generate and analyze patterns.

Number and Operations in Base Ten

  • Generalize place value understanding for multi-digit whole numbers.

  • Use place value understanding and properties of operations to perform multi-digit arithmetic.

Number and Operations—Fractions

  • Extend understanding of fraction equivalence and ordering.

  • Build fractions from unit fractions by applying and extending previous understandings of operations on whole numbers.

  • Understand decimal notation for fractions, and compare decimal fractions.

Measurement and Data

  • Solve problems involving measurement and conversion of measurements from a larger unit to a smaller unit.

  • Represent and interpret data.

  • Geometric measurement: understand concepts of angle and measure angles.


  • Draw and identify lines and angles, and classify shapes by properties of their lines and angles.

Mathematical Practices

    1.      Make sense of problems and persevere in solving them.

    2.      Reason abstractly and quantitatively.

    3.      Construct viable arguments and critique the reasoning of others.

    4.      Model with mathematics.

    5.      Use appropriate tools strategically.

    6.      Attend to precision.

    7.      Look for and make use of structure.

    8.      Look for and express regularity in repeated reasoning.

Unit Tests / Home Connections pages
      Homework points: Home Connections pages5points for every homework assignment COMPLETED accurately and turned in ON TIME assignments turned in late can earn 90% of the 5 points.
      IXLVery valuable practice done during I/E time and at homeNot calculated into student grade, but used as a form of informally assessing the standards

Contact Information

Math Downloads

IXLOn IXL, math is more than just numbers. With unlimited questions, engaging item types, and real-world scenarios, IXL helps learners experience math at its most mesmerizing!

VIDEOSThis video shows the partial products algorithm to multiply.

XTRAMATH TIMED TESTSThis is a link to the timed tests that students take every day. These can be taken on the weekends.

HOME CONNECTIONSThis is a link to the Bridges Home Connections Book.

ODE PRACTICE QUESTIONSThis is a link to the state provided practice for math.