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Thursday, May 8, 2014

Jonathan Add/Sub Yr 7-1 WALT solve addition problems with tenths by changing one number into a whole number.

2.5+3.9=6.4                                 
2.5-0.1=2.4
3.9+0.1=4.0
2.4+4.0=6.4


4.6+1.8=6.5
4.6-0.2=4.8
1.8+0.2=2.0
2.0+4.8=6.8


3.1+6.3=9.6
3.1-0.1=3.2
6.4+0.1=6.4
6.4+3.2=9.6


2.8+2.5=5.3   
2.8+0.2=3.0
2.5-0.2=2.3
3.0+2.3=5.3


4.8+6.7=11.5
4.8+0.2=5.0
6.7-0.2=6.5
5.0+6.5=11.5


13.7+4.5=18.2
13.7+0.3=14.0
4.5-0.3=4.2
14.0+4.2=18.2


9.9+4.6=14.5
9.9+0.1=10.0
4.6-0.1=4.5
10.0+4.5=14.5


6.6+8.8=15.4
8.8+0.2=9.0
6.6-0.2=6.4
9.0+6.4=15.4



4.2+5.8=10.0
5.8+0.2=6.0
4.2-2=4.0
6.0+4.0+10.0


7.3+7.5=14.8
7.5+0.3=7.8
7.3-3=7.0
7.0+7.8=14.8


11.1+6.8=17.9
6.8+0.1=6.9
11.1-0.1=11.0
11.0+6.9=17.9


5.8+9.3=15.1
5.8+0.2=6.0
9.3-0.2=9.1
9.1+6.0=15.1


7.2+8.4=15.6
8.4+0.2=8.6
7.2-0.2=7.0
7.0+8.6=15.6


13.5+8.9=22.4
8.9+0.1=9.0
13.5-0.1=13.4
13.4+9.0=22.4


6.5+8.1=14.6
8.1+5=8.6
6.5-5=6.0
6.0+8.6=14.6


9.3+7.4=16.7
7.4+3=7.7
9.3-3=9.0
7.7+9.0=16.7


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