Monday, September 22, 2014

Addition Strategies and Application

Happy Monday, Parents!

As your child brings Math home,  they are often given specific instructions at school that are too lengthy to write down in the student planner.   We are working hard at making these notes on the actual assignment & repeating them in class, where they are also given the opportunity to ask any questions to clarify what they are supposed to do.   It is important that you encourage them to really focus and pay careful attention to these special instructions: it is a growing responsibility for them to do so AND to be able to remember them once at home.   If ever an assignment goes home that they are fuzzy about what the special instructions were, have them do what they can & then they will have to finish it at school the next day.

Tonight's assignment is an addition word problem worksheet.   The special instructions are to use the space provided (and on the back, if necessary) to show how you would solve the problem using the standard stack and regroup method.   For example:
   1
    123
+ 458
   581

Then....

They are to write their answer and a label (i.e. cookies, people....) on the line provided underneath the word problem.    

Lastly....

They are to use the space provided to PROVE their answer is correct.   They can use any of the following practices to do so: 
  • expanded form
100 + 20 + 3 
400 + 50 + 8
500 + 70 + 10 + 1
  • estimate by rounding
100 + 500 = 600
  • picture form 
 I can't figure out how to do this on the blog!  It is where they would draw out each number in squares, sticks, and stones ;)
  • subtraction
581 - 458 = 123 *a calculator will prove best when regrouping has occurred*
  • calculator (just note: checked on a calculator)
I hope you find this to be helpful.   It is imperative that they can communicate why and how their answers are correct and /or reasonable.

Have a great evening!