By Crystal R. Stanley on July 09 2018 15:02:13
Long Division. There are different methods for dividing multi-digit numbers (long division). One way is a combination of estimation/ trial and error and multiplication. There is also a commonly used algorithmic method that is well explained and illustrated here at mathisfun.com.
I have seen a lot of kids quickly pass off their 2’s, 5’s, and 10’s. These tables have an obvious pattern and are much easier to learn. Then there is a serious slow down as kids hit the 3’s, 4’s, and 6’s. By the time they get to the 7’s, 8’s, and 9’s they’ve decided that multiplication is way too hard, and math isn’t their thing.
The goal of kindergarten math curriculum is to prepare children for first grade math:
~ To count by rote at least to 20, but preferably a little beyond.
~ The concepts of equality, more, and less.
~ To count backwards from 10 to 0.
~ To recognize numbers.
~ To be able to write numbers.
~ To recognize basic shapes.
~ To understand up, down, under, near, on the side, etc. (basic directions).
~ To understand the concepts of addition and subtraction with small numbers.
~ Expose the student to two-digit numbers.
The steps for subtracting fractions is well illustrated in the fraction calculator at the link below. That page has a more detailed discussion of common denominators, mixed fractions and other topics that may help understand the steps necessary to subtract fractions.