MPM1DI
Date: ____________________________
Percent means: ____________________________
Percent may be expressed as a _____________________________________________
Recall:
To convert Percent to a Decimal:
To convert a Decimal to a Percent:
To convert a Fraction to a Percent:
Percent Triangle
Ex 1 Complete the following table.
Fraction
3
8
Decimal
Percent
0.25
7%
3
2
0.0021
Ex 2 What is 65% of 140?
Ex 3 What percent of 150 is 75?
Ex 4 On a test 70% or better demonstrates your knowledge of a topic. If the next test is out of 65, what mark is
70%?
Ex 5 A basket of Halloween candies has “Coffee Crisp” and M&M’s” in a ratio of 3:2. What percentage of the
candies are the M&M’s?
Ex 6 45% of a number is 70. What is the number?
Ex 7 A special Christmas box of smarties contains red and green smarties only. Your brother decided to eat all
the red smarties. When you discovered this, you told him he would have to replace them. You counted
the remaining green smarties and found there to be 14. Since, the red smarties are the best, you figured
that 65% of the box was red smarties. How many smarties does your brother owe you?