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5) Restamos
Author
Language
Español
Description
Subtracting shows what happens when you start with a number of items and then take some away. Children can see how many items are left.
9) Cómo medimos
Author
Language
Español
Description
Measuring shows the kinds of things people measure and the tools that tell how long, how heavy, how far, how tall, how fast, how much, and how hot.
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