During curriculum night, many of you expressed an interest in having me post the math standards that we are working on during the course of the year. As we begin working with addition and subtraction, the standards we will be working on include: 3.MBT.A.2 and 3.OA.D.8.
In short, they cover:
- Use concrete materials and concepts of addition to model the Commutative, Associative, and Identity Properties of addition
- Recognize situations when subtraction is used to solve a problem and write number sentences
- Solve problems by adding with mental math
- Solve problems by subtracting with mental math
- Solve problems by estimating sums
- Solve word problems and check for reasonableness
As you can see, it will be important that your child has a solid grasp of addition facts to complete this topic in math. It is expected that they are practicing on the Xtramath website nightly to increase their fact fluency.
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