Lesson 5.6
Mentally Adding and Subtracting 10 and 100
January 9
Mentally Adding and Subtracting 10 and 100
January 9
Mental Arithmetic
Mental Addition
Mental Subtraction
Computation done by people “in their heads,” either in whole or in part. In Everyday Mathematics, children learn a variety of mental-calculation strategies as they to develop automaticity with basic facts and fact power.
Home Link 5.6 - Adding and Subtracting 10 and 100