Stern Structural Arithmetic

Contents

Materials for Teaching Second and Third Grades and How to Teach with Them

Dual Board, 10-Blocks, 1-Blocks and Number Markers

The dual board with three 10-blocks and eight unit-blocks therefore representing the number 38

This represents the number 38 by showing three 10-blocks and eight 1-blocks (single cubes).

How to use the Dual Board

20-Tray Showing the Stair from 1 to 20

This tray is 20 by 20 units with 12 10-blocks and two each of every other number blocks from nine to one arranged to form a staircase shape

How to use the 20-Tray

Number Track 1 to 100

The number track has units marked off from 1 to 100 where the number blocks can fit lengthwise

Number Blocks 1 through 10 in Sets of 10

Number blocks with values from one to ten are shown

How to use the Number Track and Blocks