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029_G1U8_WB_˙—» ¿º 2011.3.28 11:25 AM ˘ ` 1 PDF_In 2540DPI 150LPI T

029-B1-1

Addition and Subtraction Sentences
1. Use the dominoes to write two different addition sentences.

Example a.

+= +=
+= +=

b. c.

+= +=
+= +=

d. e.

+= +=
+= +=
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