• What's the difference?

    by Suzanne Slade, Joan Waites
    2010, Sylvan Dell Publishing

  • Sir Cumference and All the King's Tens

    by Cindy Neuschwander
    2009, Charlesbridge

  • Perfect Square

    by Michael Hall
    2011, Scholastic

  • Pigs on a blanket

    by Amy Axelrod
    1996, Simon & Schuster Books for Young Readers

  • Christmas farm

    by Mary Lyn Ray
    2008

  • Night Noises

    by Mem Fox, Terry Denton
    1989

  • If you were a fraction

    by Trisha Speed Shaskan
    2009

  • How much is a million?

    by David M. Schwartz, Steven Kellogg, David M Schwartz
    1985

  • Subtraction Action

    by Loreen Leedy
    2000

  • Is a blue whale the biggest thing there is?

    by Wells, Robert E.
    1993

  • Each orange had 8 slices

    by Paul Giganti
    1992

  • It's about time, Max!

    by Kitty Richards
    2000

  • Polly's Pen Pal

    by Stuart J. Murphy
    2005

  • The great graph contest

    by Loreen Leedy
    2006