• Each of the 24 lessons is correlated to current standards and includes instructions, assessment questions and blackline masters.
• 96 pages.
• Grades 1–3.

Extend Understanding of Counting, Place Value, Operations and Algebraic Thinking by Don Balka These engaging activities use the 100-bead Rekenrek to extend students’ understanding of counting, place value, the four operations, and algebraic thinking. Students will make groups of tens and ones, add and subtract within 100, explore multiplication and more.