When taking the math portion of the SAT it is important to know place values. It is very common for people to get the wrong answer when answering questions dealing with place values. Memorizing and knowing at a glance which place value is being talked about is important when taking the SAT math portion. Because the test makers intentionally make questions tricky sometimes, it can be easy to be thrown off for those who do not know their place values.
Turning a Fraction into a Decimal
For turning a fraction into a decimal, it is simply a matter of saying, top to bottom, 6 divided by 8 for 6 / 8 for example. The result will be a decimal equivalent of the fraction. Be sure to type in the right numbers on the calculator.
Turning a Decimal into a Fraction
To turn a decimal into a fraction is even easier. The denominator is the place value. So, for example, if 0.025 twenty-five thousandths the fraction would be 25 / 1000.
TIP:On the SAT grid-ins, it is NOT necessary to reduce unless the answer does not fit in the bubbles exactly.
BONUS TIP: For grid-ins the answer can be a fraction or a decimal - whichever fits. However, on the multiple choice if the answer you get is a fraction and the choices are decimals, switch it. The same for the other way around if you get a decimal answer and the choices are all fractions.
Decimal Fraction Equivalents
It should be noted that you may get an answer like .3333333 from your calculator. It is important not to round this number if it is to be used because it may throw off the whole equation if rounded up too much. Instead, make sure the calculator being used can save the whole decimal as the answer to be used later in the equation.
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