Subtraction with Short Bead Stair

Age
3-6

Materials

 * 1) One Short Bead Stair.
 * 2) Sets of Subtraction Cards.

Presentation

 * 1) Directress invites the child to build a triangle with the Short Bead Stair.
 * 2) Directress gives the child a work card and assists her to work through the questions on the work cards, for e.g. 9 - 5.
 * 3) The child takes a 9 Short Bead Stair.
 * 4) Cove 5 Bead at the right end of the bar, leaving 5 uncovered.
 * 5) These uncovered bead are then counted.
 * 6) Directress then shows the child how to record the answer on the answer square.

Control Of Error

 * 1) The Red Boxes control the place the child puts the answer.
 * 2) The Short Bead Stair controls the minuend. (The amount to start with)

Purpose

 * Supplement the subtraction activity introduced with the Number Rods and to give the child further practice.