Back to Top Spindle Box Subject: To show that a succession of lines creates a surface that is why it is called geometrical multiplication. Count remaining beads on the bead bar. Preparation for the four operations. Ask if the same numbers were used to make the sum. Small chalkboard using dry erase markers. Introduce the grey bead stair and say, "These are the negative bead bars.
The colored bead bars represent the minuend, the grey beads represent the subtrahend and the golden bead bars represent the difference. Continue on showing factoring. Encouraging creativity to construct different shapes with the triangles. Both the exercises on numeration and the multiplication exercises prepare the child for the distributive law of multiplication where it becomes necessary to analyze the numbers into their hierarchical values. Proceed as for dynamic subtraction showing the child how to exchange a thousand for hundreds; a hundred for tens and a ten for units before he can begin subtracting. Use primary color thread spools to reinforce recognition. The child selects, reads, writes and guesses the solution to the problem.
Seeing the numbers created and reading them. Proceed to work in the same way with the tens, hundreds and thousands. Lay out the tiles in an ordered arrangement - tiles progressing from 2 to 18 with like numbers together. Corresponding number of bead squares for each square chain. To meet the needs of all children, teachers need to use a variety of strategies. Feeling the increasing quantity formed in the hand by the spindles.
They represent the subtrahend. There is also a symbol for zero. The child counts and records the sum of the unit beads which are at the right of the frame. Dynamic Subtraction Follows the same procedure except when subtracting exchange categories as necessary by replacing one stamp of the next higher category into the box and removing ten stamps of the needed category using a ruler for spacing purposes. To show the different shapes made with a triangle. To learn the names of the numerals from