Nienhuis Montessori | Catalog 2019

ADDITION

Addition Tables Booklet: 2 Addition tables 1–9 presented with second addends in random order. These booklets encourage further practice and repetition (40 booklets). Item Number: 559522

Addition Tables Booklet: 3 A 9-page booklet with random addition equations. These booklets encourage further practice and repetition (40 booklets). Item Number: 559523

Small Numerical Rods These rods are designed for individual work at a table. Material consists of 2 sets of 10 wooden rods divided into unit increments by alternating colors of red and blue. The Small Numerical Rods are supplied in a wooden box for storage. With this material children can conclude that the sum of numbers up to the n th number, for any n, is always (n 2 +n)/2. Item Number: 025400

SUBTRACTION

Black And White Bead Stairs – Individual Beads: 1 Set These bead stairs are used in addition and subtraction activities.

Item Number: 0091AG (Glass) Item Number: 0091AM (Nylon)

Subtraction Working Charts The Subtraction Working Charts aid the child in practice and memorization of the subtraction combinations. Includes a control chart, 2 working charts and a box of

wooden answer chips. Item Number: 0142B0

Working Chart Equation Paper 500 sheets with 10 rows of 5 squares printed in black on white paper. Used for memorization exercises. Item Number: 558600

218