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Mental Math: Addition and Subtraction

Fourth graders use the mental math skill of adding and subtracting by making multiples of ten and adjusting (compensation). These suggested strategies should be discussed in two separate lessons.

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Resource Details

Grade
4th
Subjects
Math
1 more...
Resource Type
Lesson Plans
Duration
2 days
Year
2003
Usage Permissions
Fine Print
Included Materials
  • Worksheet