pentagons maths week 8

8.4 - 2.9=55         7.5 - 6.2=1.1         9.8 - 49= 39.2       15.3 - 77=61.7      12.6 - 3.8=8.8

   +0.1                            +0.2                            +0.1                  +0.3                       +0.2                       

8.5 - 30=55          7.3 - 6.2= 1.1         9.9 - 50=39.2       15.6 - 80=61.7       12.8-40=8.8                                                 

6.3 - 2.8=35          11.6 - 47= 35.1       17.4 -2.8= 14.6     7.5- 5.1= 2.4        8.3 - 2.9=5.4

    +0.2                         +0.3                              +0.2                        -0.1                     +0.1                      

6.5 - 30=35            11.9 - 47=35.1       17.6 - 30=14.6       7.6 - 5.0=2.4        8.4 - 30=5.4                                           

12.7 - 3.1= 18.3      16.3 - 28= 11.7        15.4 - 12.1=3.3        13.4 - 4.3=9.1     15.8 - 39=2.3

    -0.1                          +0.2                                 -0.1                 +0.1                        +0.1                                

12.6 - 3.0=18.3       16.5 - 3.0= 11.7       15.5 - 12.0=3.3        13.5 - 43=9.1      15.9 - 39=2.3