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Wednesday 10 September 2014

Week 8 maths!!

Fill in the gaps:


a) 2.5 + 3.9=5.4
-0.1       +0.1
2.4 + 3.0=5.4


b) 4.6 + 1.8=5.4
-0.2       +0.2
4.4 + 1.0=5.4


c) 3.1 + 6.3=9.4
-0.1       +0.1
3.0 + 6.4=9.4


d) 2.8 + 2.5=4.4
+0.2      -0.2
2.0 + 2.4=4.4


e) 4.8 + 6.7=10.5
+0.2     -0.2
4.0 + 6.5=10.5


f) 13.7 + 4.5=17.2
+0.3      -0.3
13.0 + 4.2=17.2


g) 5.8 + 4.6=
+0.2     -0.2
5.0 + 4.4=9.4


h) 9.9 + 4.6=13.5
+0.1     -0.1
9.0 + 4.5=13.5


i) 6.6 + 8.8=14.4
-0.2     +0.2
6.4 + 8.0=14.4


j) 4.2 + 5.8=9.0
-0.2     +0.2
4.0 + 5.0=9.0

k) 7.3 + 7.5=14.8
-0.3       +0.3
7.0 + 7.8=14.8


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


m) 5.8 + 9.3=14.1
+0.2       -0.2
5.0 + 9.1=14.1


n) 7.2 + 8.4=15.6
-0.1      +0.1
7.1 + 8.5=15.6


o) 13.5 + 8.9=21.4
-0.1         +0.1
13.4 + 8.0=21.4


Complete these following activities:


a) 6.5 + 8.1=14.6


b) 9.3 + 7.4=16.7


c) 6.7 + 8.3=14.0


d) 4.8 + 12.3=20.7


e) 7.7 + 2.6=13.9


f) 12.4 + 12.9=24.13


g) 9.8 + 8.8=17.16


h) 7.3 + 12.4=19.7


i) 15.3 + 3.7=18.0



Word Problems:


1) I have 3.7 metres of rope and i found another 7.8 metres of rope. How much rope do I have? 15.0


2) Andrew weighs 45.6 kilograms and his cat weighs 4.8 kilograms. How much do they both weighs in total? 14.49


3) Sarah was 1.3 metres tall but she has gown another 0.3 metres this year. How tall is she now? 1.6


4) An eletrician has completed 14.4 metres of wiring in a house. He must still do another 13.6  metres of wiring does the house require in total? 27.0


5) A designer uses metres of blue fabric and 12.3 metres of red fabric. How much fabric has she used in total? 16.9


6) To create a long red carpet two carpets are placed together. One is 12.2 metres long and the other is 14.5 metres long. How long is the red carpet in total? 26.7


7) My car has 33.4 litres of petrol in it. I add another 7.5 litres of petrol. How much petrol is in my car now? 40.9


8) Sue drank 1.6 litres of water and another 1.3 litres this afternoon. How much water has she drank? 2.9


9) A paddling pool had 37.3 litres of water in it. I added another 19.8 litres of water. How much water is in it now? 57.1


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