All PSAT Math Resources
Example Questions
Example Question #1512 : Act Math
How much less is than ?
is greater than .
Example Question #1513 : Act Math
The ogre under the bridge eats of a pizza and then throws the rest of the pizza to the rats. The rats eat of what is left. What fraction of the pizza is left when the rats are done?
1/5 of the pizza is left after the ogre eats his share. The rats eat 3/4 of that, so 1/4 of 1/5 of the pizza is left.
1/4 * 1/5 = 1/20 = 5%
Example Question #1 : Decimals With Fractions
Express as a decimal:
Divide 16 by 9:
The "7" repeats forever, so
Example Question #2 : Decimals With Fractions
Express as a decimal:
Divide 9 by 16:
Example Question #3 : Decimals With Fractions
Convert the fraction to a decimal.
We can multiply our numerator and denominator by , which leads to . From here we divide by our denominator, moving the decimal two places to the left.
Example Question #1 : Decimals
0.07
0.04
0.01
0.05
0.10
0.07
Multiply numerator by the other numerator and multiply the denominator by the other denominator for multiplication. To divide fractions, switch numerator and denominator and treat it as multiplication. The answer is 0.07.
Example Question #4 : Decimals With Fractions
Write 0.45 as a fraction.
.45 is equivalent to 45 out of 100, or .
Divide both the numerator and denominator by 5 to simplify the fraction:
Example Question #5 : Decimals
Express as a fraction:
Let
Then
and
Subtract:
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