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Attend to Precision
Construct Viable Arguments
Look For Structure
Make Sense of Problems
Model with Math
Reason Abstractly
Repeated Reasoning
Use Appropriate Tools
Web Resources
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Make Sense of Problems
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Make Sense of Problems and Persevere in Solving Them
Problem
8 + ? = 11
5 = ?  3
6 + 6 = ?
Strategies
Draw a picture
Use manipulatives
Start with 5 blocks, then take away blocks until you have 3 left. Count to see how many blocks were taken away.
Add on
Start with 8, then count up until you get to 11.
Do the reverse operation
To solve 8 + ? = 11, subtract 11  8.
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Make Sense of Problems and Persevere in Solving Them
Problem
8 + ? = 11
5 = ?  3
6 + 6 = ?
Strategies
Draw a picture
Use manipulatives
Start with 5 blocks, then take away blocks until you have 3 left. Count to see how many blocks were taken away.
Add on
Start with 8, then count up until you get to 11.
Do the reverse operation
To solve 8 + ? = 11, subtract 11  8.