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# Math Update – Week 4

September 30, 2018 by Kim Sorensen & Rebecca Farley

Time is flying!  I can’t believe we are already into October.  Math is going well and we are working hard to increase our skills!  I have had several questions about the math fact tracking sheet that is found in your child’s Take Home Folder.  The only purpose that serves is for your child to mark off when they pass off a test AT school.  They are mostly responsible to mark that off when they find out if they passed a test.  If they have passed off a math fact test they can move on to work on a different factor for their at home practice.  I will go over this with all the students again on Monday.

In 4th grade we started and finished our unit on multiplying and dividing by multiples.  You can look for tests to be coming home Tuesday or Wednesday.  This week we will begin our 2 week rounding unit.  We start off by using number lines and then we use strategies we learned from the number lines to round numbers up to the millions place. This concept is always difficult, but we will get it!  Look for a video to be added this week for this standard.

Questions to ask your child this week:

• What is an interval? (what we are counting by)
• What is the midway point between. . .and then give two multiples that are right next to each other. (13,000 and 14,000, 600,000 and 700,000, 1,000 and 2,000, etc.)

In 3rd grade we started our rounding unit using number lines.  This week we will round without given number lines.  If they choose they can continue to use a generic number line to help them find the multiples that a number falls between.  We will take our test for this standard on Thursday.  I am hoping to post a video to the Math Video Website on Monday to give students additional support.

Questions to ask your child this week:

• What are the steps you follow when you round a number?
• How do you know the multiples that your number falls between?