Five pages that follow the golden bead lessons. Page 1 shows quantities of hundred squares, ten bars and unit beads: children count each kind, write how many hundreds, tens and units, and write the number (to 999). Page 2 adds thousand cubes, to 9,999. Page 3 starts with a key of the sketch Montessori children use to record a quantity, a cube for a thousand, a square for a hundred, a line for a ten and a dot for a unit: children sketch the beads for six numbers, then write the number four sketches show. Page 4 is about zero: quantities with an empty place, so 2 hundreds, 0 tens and 5 units is 205, then numbers written from their places and their places from numbers. Page 5 is the exchange: each quantity has more than nine of one kind, so children loop ten of them, trade them for one of the next place, write the new count and the number. Each page begins with a worked example.
Use the pages after the child has worked with the real golden beads: fetching a quantity from the bank, counting it on the mat and laying the number cards beside it. Let children check a page by building the quantity with the beads, which is the material's own control of error. For page 5, play the changing game first: give a child a tray with too many units and let them count, say stop at ten and go to the bank to exchange.
Beans, buttons or pasta work as unit beads: glue ten in a row for a ten bar and ten rows on a card for a hundred square. Ask your child to fetch a number, such as 2 hundreds, 3 tens and 4 units, and to say it back: two hundred thirty-four. Then hand over too many units and trade ten of them for a ten together.
This pack supports the following Common Core State Standards for Mathematics:
© Copyright 2010. National Governors Association Center for Best Practices and Council of Chief State School Officers. All rights reserved.
Place value with the Montessori golden bead material: unit beads, ten bars, hundred squares and thousand cubes. Students count quantities and write the numbers, sketch quantities with squares, lines and dots, see zero hold a place and exchange ten of a kind for one of the next.
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