Checkley, K. (2006). The essentials of mathematics, K-6: Effective curriculum, instruction, and assessment. Association for Supervision and Curriculum Development.
Chicago Style (17th ed.) CitationCheckley, Kathy. The Essentials of Mathematics, K-6: Effective Curriculum, Instruction, and Assessment. Alexandria, Va: Association for Supervision and Curriculum Development, 2006.
MLA (9th ed.) CitationCheckley, Kathy. The Essentials of Mathematics, K-6: Effective Curriculum, Instruction, and Assessment. Association for Supervision and Curriculum Development, 2006.
Warning: These citations may not always be 100% accurate.