On page E-20 Megan gets some experience with the meaning of number lines. If the arrow points to the right , she learned it is like adding the amount and if it points to the left, its like subtracting the amount. Such as 7-----3------> is like 7 + 3. And _ <-----3--------7 is subtraction where the answer _ is 4.
Miquon Math Orange Book pages E-20
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This page contains a single entry by Julie Wang published on September 15, 2013 1:07 AM.
Explode the code- pages 18 and 19 was the previous entry in this blog.
Miquon Book 1 page A-14 is the next entry in this blog.
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