Welcome to Lyndale's Math Website!

Click on the links to the left to watch math strategy videos and browse our online resources list for math practice and help. 

Check out these two examples of student work for this addition problem:
... this second grader was shown the standard algorithm too early.
Now, look at this example of another 2nd grader thinking about the whole number:
This is excellent thinking to break the number up into its place value.  Want to see how to help your student solve problems like this?  Check out the videos!

Here are examples of these types of thinking for subtraction:
Let's think about place value!  Check this out:
WOW!  That is excellent thinking.  Take away 20 from the entire number, then taking away 6 would get me to the decade number, so I just need to take away three more form the original 9.  Awesome!