3A Mrs. Pagano

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Reminders
:.
Please support our 3rd grade service project for Thanksgiving and send in a can or box of soup.,

Friday, November 16th, is Dress Down Day. Wear the fall colors of orange, red, yellow, and brown. Bring in $1.00. This money will be used to buy turkeys for our service project.

Two instructional sheets went home showing the strategies we are using in class for time and elapsed time. Please use these when working with your child on these two concepts.


Math Terminologies
:

ESTIMATION RULES:
1. Decide which 2 places the number is between.
Ex. 17 is between 10 and 20 
Ex. 168 is between 100 and 200
2. Look at the place value 
before the place you are rounding to. If that digit is 5 or higher round up. If it's 4 and lower round down.
Ex. If you're rounding to the 10's look at the 1's place. 17 would round to 20
Ex. If you're rounding to the 100's place look at the 10's place. 168 would round to 200
Ex, If you're rounding to the 1000's place look at the 100's place. 1,264 would round to 1,000
3. If you're rounding two different places always round both to the lowest place. This is used when we will be estimating sums. 
Ex. 34 + 489 would be 30 + 490 = 520 In this example both places would be rounded to the tens place.