Bead Bars: Sums less than Ten

Age
4-6.

Materials

 * Ten bars
 * Colored bead bars
 * Box of signs for operations

Preparation
Command cards may be made for the work.

Presentation

 * 1) The directress sets up an addition of two numbers, using colored bead bars and the plus and equals signs.
 * 2) The child reads the problem, computes the addition problem in his head and puts out the appropriate bead bar for the sum.
 * 3) The child also adds combinations of these numbers. Sums are always less than ten.

Control Of Error
The Addition Chart I.