1 . 21/2 – 13/4
2. 22/5+37/9+21/2
3. 1 – 3/7
4 . Find the difference between 6.52km and 4.932km
5. Reduce 5.320 by 3.516
6. Find the value of 7.022 – 2.067
7. Find the value of 5.62+2.432.1.529
8. Decrease 1.894 by 0.954
9 . Work out the value of 4.7×45
10. Find the product of 19 and 48
11. Multiply 38 by 50
12. Evaluate √361
13. Calculate the square root of √16×25
14. Find the value of √1024
15. 4.8×607