Subtraction Strategies For First Grade
These strategies include counting up to and back from a number subtracting from ten subtracting doubles subtracting do…
What Mental Math Strategies Can You Use To Find Sums
You want to begin with students determining the range for one of the numbers involved. For multiplying a number by a p…
Mental Math Addition Strategies Worksheets
For example to solve 2453 we will first add 2050 to make 70 then 43 to make 7 and finally 707 to make 77. Add two 2-di…