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Form 2 mathematics lessons about reciprocals
If #1/f = 1/u +1/v#, find f, given that u = 0.5 and v = 0.8
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1.
Finding reciprocals of numbers by division method
2.
Finding reciprocals of numbers from mathematical tables
3.
Computation using reciprocals
4.
Find the reciprocal of each of the following decimal numbers using division: (a) 2.5 (b) 4.2 (c) 9.4
5.
Find the reciprocal of each of the following numbers using reciprocal tables: (a) 56.2 (b) 4368 (c) 0.002978
6.
Use reciprocal tables to work out each of the following: (a) #1/0.0125+1/12.5 # (b) #3/0.364#
7.
Use reciprocal tables to work out each of the following. (a) #17/0.051+3/0.0027# (b) #4/0.375-5/37.5#
8.
Use mathematical tables to work out each of the following: (a) #1/sqrt0.2468# (b) #1/(2.437)^2 #
9.
Use mathematical tables to work out: #3.045^2+1/sqrt49.24#
10.
If #1/f = 1/u +1/v#, find f, given that u = 0.5 and v = 0.8
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