Answers for TB Exercises

Dear all,
Due to time constraints, I will post the answers for the questions in the TB. You check and mark. Any questions that you are not sure of, we will discuss in class tomorrow.

Pg 107
1a.  2 : 7     1b.  2/7           1c.     7/2

2a.  4  : 9            2b.  5/4           2c 4/5            2d  4/9              2e  5/9

3a.  5 : 3           3b.   3 :8                 3c.  3/8                  3d.  5/8

4a.  $36              4b.   5 : 7             4c.  5/7                4d.  7/5                4e.  5 : 12               4f.   5/12

5a.  2/9           5b.  4/3                5c.  1/2               5d.  2 times

6a. 5 : 8 : 14                     6b.  8 : 27                    6c.  14/27

Pg 115

1a.  3 : 2              1b.  2/5            1c.   3/5          1d.  Liling 36 kg     Mala  54 kg

2a.  5 : 2 : 7              2b.  5/7            2c.  21 kg

3a.  3 : 1              3b.  3 : 4            3c.  1/4          3d.  5.4 square metres.

4a.  5 : 1 : 6             4b.  5/6              4c.  1/6                4d. Sam $1050    Peter $5250

5a.  4 : 10 : 3               5b.  100 pupils                     5c.  28 pupils

6.   576 square cm

7.  5471.4 cm

Hopefully you have gotten all of them correct.  :))

Secret Recipe            

Please work out the 4 questions. Put the book in my locker tomorrow first thing in the morning. Thank you.

Maths WB 120

Please think of another way to solve the problem.


Regards,
Mrs Mak