Set up the problem Before you begin to compute, determine the strategy you will use to arrive at the solution. When solving equations, carry out the algebra as far as you can before plugging in the actual numbers. Cancel and combine When you set up a problem logically, you can take shortcuts. For example, if the same term appears in both dividend and divisor, they will cancel each other out. Draw a picture Make a diagram.
Pictures help keep the facts straight.
They show relationships more effectively than words. To keep on track, record your facts in tables. This last column is the place to record a formula that can help you solve the problem. Sometimes the sound of your voice will jar loose the solution to a problem. Talk yourself through the solution.