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Tagged with ' Elementary School Math'

Class Ideas: The Didax Blog

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Need new ideas? Looking for quick tips for teaching tricky concepts or organizing your math centers? Class Ideas is your go-to spot for inspiration, information and innovation and it’s an ideal way to stay current with the latest trends in math teaching and learning.

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If there are topics you’d like us to cover or you’d be interested in being a guest contributor, reach out to us and we’ll respond. Email us at hello@didax.com

Number Sense through Puzzle and Play

I like to think of number sense as the linchpin to learning mathematics well. It plays a critical role in students’ confidence and risk taking. It helps them determine the reasonableness of their solutions and tinker with strategies and approaches when their solutions to problems are off. Number sense enables students to be flexible and efficient with both their computation and reasoning.

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Making your Number Line Work More Concrete

The Math Standards highlight number lines as a critical model to build flexibility and understanding, and we know that number lines can be used for a variety of concepts across grades. Unfortunately, students cannot interact with number lines in a way that allows them to touch and manipulate the parts the way they can with, say, Base Ten blocks or Rekenreks.

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Base Ten Blocks: Your Most Important Tool

We often see children who struggle to perform even the most basic operations, even after repeated instruction. Without an understanding of base ten and place value, children are very limited in their ability to do ordinary arithmetic; that is, to add, subtract, multiply and divide. If, for example, they can only think of 48 crayons as 48 individual loose crayons, and 25 more crayons as 25 individual loose crayons, then the only strategies available for finding the total number of crayons are “counting all” (1, 2, . . ., 48, 49, 50, . . . 73) and “counting on” (48 - 49, 50, . . . , 73).

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