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Tuesday, March 18, 2014

Year 7 Add/Sub Maths

1. Fill In The Gaps Below
a)    2.5+3.9= 6.4
     +0.5   -0.5
3 + 3.4= 6.4
        
f)      13.7 + 4.5=18.2
       +0.3     -0.3
14 + 4.2 = 18.2
K)       7.3 + 7.5 =14.9
       +0.7    -0.7
8 + 6.9 = 14.9
b)    4.6 + 1.8= 6.4
     +0.4   -0.4
5 + 1.4= 6.4
g)      5.8 + 4.6= 10.4
       +0.2   -0.2
6 + 4.4 = 10.4
l)        11.1 + 6.8=13.9
        +0.9    -0.9
12 + 5.9 = 13.9
c.     3.1 + 6.3= 9.2
     +0.9    -0.9
4 + 5.2 = 9.2     
h)      9.9 + 4.6=14.5
     +0.1     -0.1
10 + 4.5 = 14.5
m)      5.8 + 9.3=15.1
       +0.2     -0.2
6 + 9.1 = 15.1
d)     2.8 + 2.5= 5.3
      +0.2    -0.2
3 + 2.3 = 5.3
i)      6.6 + 8.8= 15.4
     +0.4    -0.4
7 + 8.4 = 15.4
n)       7.2 + 8.4=15.6
       +0.8     -0.8
8 + 7.6 = 15.6
e)     4.8 + 6.7=11.5
      +0.2    -0.2
5 + 6.5 = 11.5
j)      4.2 + 5.8=10.0
      +0.8     -0.8
5 + 5.0 = 10.0

o)       13.5 + 8.9=21.4
          +0.5     -0.5
14 + 8.4 = 21.4



a)                         d)                                g)

6.5 + 8.1=14.6             4.8 + 12.3=17.5                9.8 + 8.8=18.6
+0.5    -0.5              +0.2   -0.2                     +0.2  -0.2
7 + 7.6= 14.6              5 + 12.5=17.5                  10 + 8.6=18.6


b)                         e)                                h)

9.3 + 7.4=16.7            7.7 + 2.6=10.3                  7.3 + 12.4=19.7
+0.7   -0.7               +0.3   -0.3                      +0.7   -0.7
10 + 6.7=16.7             8 + 2.3=10.3                    8 + 11.7=19.7


c)                         f)                                i)

6.7 + 8.3=15              12.4 + 12.9=25.3             15.3 + 3.7=19
+0.3   -0.3               +0.6   -0.6                   +0.7   -0.7
7 + 8=15                   13 + 12.3=25.3               16 + 3=19




A)                     B)                         C)                       D)

3.7 + 7.8=11.5         45.6 + 4.8=50.4        1.3 + 0.3=3            14.4 + 13.6=28
+0.3  -0.3            +0.4   -0.4              +0.7  -0.7              +0.6   -0.6
4 + 7.5=11.5           46 + 4.4=50.4           2 + 1=3                15 + 13=28


1 comment:

  1. Great answers and working out Vaifoa! Lovely to see you blogging and continuing your learning after school. Well-done!

    ReplyDelete