Abacus Ace Lesson Plan
A comprehensive teacher facilitation guide for the Abacus Ace lesson, including learning objectives, materials, timed procedures, and specific video pause prompts for 2nd-grade place value instruction.
Abacus Ace Slides
An interactive slide presentation featuring visual aids for base-ten blocks, a thousands cube introduction, embedded instructional video with pause prompts, and activity directions for 2nd-grade place value.
Build It Write It Worksheet
A collaborative partner worksheet where students take turns drawing beads on a blank abacus and writing the corresponding standard number, including a special challenge for zero placeholders.
Placeholder Power Exit Ticket
A targeted exit ticket assessing student understanding of the zero placeholder in a four-digit number (2,104) based on an abacus visual.
Base Ten Block Printables
A set of printable base-ten blocks (thousands cubes, hundreds flats, tens rods, and ones units) for hands-on classroom modeling and the warm-up activity.
Placeholder Power Answer Key
An answer key and scoring guide for the Placeholder Power Exit Ticket, highlighting common misconceptions like skipping zero placeholders.
