Mental Methods
6 lessons · 6 variations each
OPV.4.1
2 Mental methods - addition and subtraction
Use mental methods for addition and subtraction of integers
OPV.4.2
3 Mental methods - multiplication and division
Use mental methods for multiplication and division of integers
OPV.4.3
4 Mental methods - decimals
Extend existing mental calculation methods to include decimals
OPV.4.4
5 Mental methods - fraction calculations
Use mental methods when calculating with fractions
OPV.4.5
6 Simplify calculations with factors
Use factors to simplify calculations
OPV.4.6
Use one calculation to find the answer to another
Use one calculation to find the answer to another