HOMEWORK 8.4

1. Express 30.5% as decimal

2. Multiply 4.09 by 200

3. 14.5 + 30% =

4. 45 + 0.91 =

5. List all factors of 30

6. How many odd numbers are there from 21 to 35.

7. Find the H.C.F of 30 and 45.

8. Draw a reflex angle BCD

9. 4 ¹/₆ ÷ 2 =

10. 3.05 ÷ 0.5 =

11. Write 9470 as Roman numeral

12. Subtract 42.7 from 100

13. Find the area of the following figures:


    (a)    




    (b)    

 

14. Change 4.5 into percentage

15. How many 2 ½ are in 17 ²/₉