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The Double-Decker Bus: Early Addition and Subtraction

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Management number 233620209 Release Date 2026/06/27 List Price US$13.93 Model Number 233620209
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This curricular unit in the Contexts for Learning Mathematics series develops the basic facts to 20 and works toward getting the facts automatic by employing the use of the 20-bead arithmetic rack to support the use of the five and ten structures and strategies such as doubles +/-, making a ten, and compensation. After the unit is done, work on minilessons with the arithmetic rack all year to get the basic facts automatic. Read more

ISBN10 1964618096
ISBN13 978-1964618098
Language English
Publisher New Perspectives on Learning, LLC
Dimensions 8.5 x 0.22 x 11 inches
Item Weight 10.9 ounces
Print length 95 pages
Publication date July 1, 2007

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