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So far this year we have studied:

Place Value -

standard form 8,473,

expanded form 8,000+400+70+3,

written form eight thousand, four hundred seventy-three

value of the digit 8 - 8 thousands or 8x1,000

 

Addition = Commulative Property   4 + 7 = 11      7 + _ =11

                 Associative Property    (3+5)+9  =    (5+9)+_

                43,987

              + 17,452

             

Subtraction = Fact Families  4+8 = 12, 8+4 =12,  12-8=4,  12-4=8

ACROSS ZEROS, Regrouping!!!!!!

50,906

- 8,642

               

Graphs =                             Bar Graphs  

 

 

Line Plots

 

Tally Charts

                          

Pictographs

Coordinate Graphing

 

 

Money = coins, dollars,

and Multiplication = Zero Property = any # x0 is 0 = 8x0=0,  349x0=0

Identity Property = any # x1 is that number = 8x1=8,  349x1=349, 72 x _ = 72

2 Times = DOUBLE the number, 8x2 = 8+8 = 16              26x2 = 26+26 = 52

3 times = sing the song = 3, 6, 9, 12, 15, 18, 21, 24, 27, 30

4 times = DOUBLE, DOUBLE = 7x4    =    7+7=14+14=28   12x4= 12+12=24+24=48

5 times - Count by 5s!

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