Maths- Week 2 Term 4 Presentation

a)                              7.18 - 4.89=2.29        +0.11            +0.11                            7.29 - 5.0=2.29	f)                    12.08 - 4.66=7.42        +0.34            -0.34                          12.42 - 5.0=7.42	k)                8.24 - 4.33=3.91        +0.67           +0.67                            8.91 - 5.0=3.91
b)              5.03 - 2.47=2.56        +0.53            +0.53                            5.56 - 3.0=2.56	g)                      7.78 - 3.98=3.80        +0.02           +0.02                          7.80 - 4.0=3.80	l)           7.22 - 5.78=1.44        +0.22           +0.22                   7.44 - 6.0=1.44
c)                          8.92 - 6.37=2.65        -0.37         -0.37                            8.65 - 6.0=2.65	h)               6.55 - 3.04=3.51        -0.04          -0.04                          6.51 - 3.0=3.51	m)                  11.01 - 5.93=5.08        +0.07           +0.07                          11.08 - 6.0=5.08
d)                7.11 - 5.88=1.24        +0.12            +0.12                            7.24 - 6.0=1.24	i)                     8.72 - 4.12=4.60        -0.12           -0.12                            8.60 - 4.0=4.60	n)                  6.44 - 2.77=3.67        +0.23           +0.23                          6.67 - 3.0=3.67

e)          7.46 - 2.12=5.34       -0.12            -0.12                           7.34 - 2.0=5.34

j)         13.45 - 9.99=3.46       +0.01           +0.01                          13.46 - 10.0=3.46

o)          13.77 - 12.88=0.89        +0.12           +0.12                          13.89 - 13.0=0.89

a) 7.63 - 1.77=5.86 b) 12.24 - 4.02=8.22 c) 16.74 - 5.88=10.86

d) 12.34 - 6.59=5.75 e) 7.76 - 1.12=6.64 f) 14.55 - 2.89=11.66

g) 7.03 - 2.99=4.04 h) 11.53 - 1.02=10.51 i) 6.34 - 2.58=3.76

a) I put 7.63 litres of green dye in a container and 1.89 litres leaked out. How much dye is left? 5.74	b) Green paint is made from mixing blue and yellow. I made 3.25 litres of green paint. To do this I used 1.22 litres of yellow. How much blue must I use? 2.03
c) Jorja has 13.12 metres of thread. She has used 5.75 metres of thread. How much thread does she have left? 7.37	d) I put 6.05 litres of water in a pot to boil. After it had boiled for a while I noticed there was only 5.89 litres of water left. How much water must have evaporated? 0.16

e) Our fish tank can hold 17.08 litres of water. There is 12.55 litres of water in it at the moment. How much water could we add? 4.53 f) A chemical factory has a drum which contains 45.75 litres of chemicals. Unfortunately 3.05 litres have escaped. How many litres of chemicals are left inside the container? 42.7

g) Rosa found a dress that she loved. It was $54.20 but it has been reduced by $9.99. How much does her dress cost now? $44.21

h) I have $75.42. I spent $8.58. How much money do I have left? 66.84