Solve your problems ...







New! - Multiplication game - catch the hodag!


Adding and subtracting with negatives activity


Factoring Game


How to solve:

One method for solving these problems is outlined here. To see another method (cross-multiplying), click here.

Problem:     (3/5) = (x/20)
1. Find what the bottom was multiplied by:     5*4 = 20
Multiplying factor = 4
2. Use the multiplying factor to find the value of x:     3 / 5 = (3* 4) /(5 * 4) = 12 /20
3. Final Answer:     x = 12.

Here's one to try:

      






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(Starts timer)
     




              





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