Abacus Formulae: Utilize 5 & 10-This is a Laminated PHYSICAL Book

This study aid provides guidance on using an abacus to perform addition and subtraction. This essential tool is laminated and bound, making it perfect for use with dry erase markers.

Key Features:

• Outlines Commutative Property: It outlines commutative property rules for making 5 and 10 to facilitate these operations.

• Abacus Formulae-Utilize 5 & 10: The core content explains how to add and subtract numbers by utilizing the 5-bead and the 10-bead, providing visual examples for each case.

• Abacus Framework: is presented, guiding users through a decision process to determine if a simple calculation is possible or if utilizing the 5 or 10 bead is necessary.

• Tabbed Labels: For easy reference, each addition number has its corresponding subtraction counterpart on the opposite side.

• Explained Concept: Each page has diagrams and sample questions for moving abacus beads.

• Formula Table: Each page has a fillable table for writing the corresponding abacus formula.

This Abacus Formulae is an essential addition to your toolkit, allowing you to perform calculations with ease.

BONUS: Includes a column isolator template