percent of a number. warm-up learning targets i can solve percent of a number problems. i can set up...
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Percent of a number
Warm-up
Learning Targets I can solve percent of a number problems.
I can set up and use cross product to solve percent of a number problems.
I can interpret percent of a number word problems.
Percent of a number notes
Percent proportion: compares part of a quantity to the whole
quantity, called the base, using a percent.
Is = %
of 100
Guided Practice Find each number. Round to the nearest tenth if necessary.1. 75 is 20% of what number?
2. 18 is 25% of what number?
3. 80 is 75% of what number?
4. 50 is 20% of what number?
Examples on your own: Find each number. Round to the nearest tenth if necessary.1. 73 is 20% of what number?A.356 B. 365 C. 375 D. 366
2. 54 is 25% of what number?A. 261 B. 216 C. 206 D. 2016
3. 16% of what number is 2?A. 12.4 B. 12.3 C. 12.6 D. 12.5
4. 12% of what number is 50? A. 416.7 B. 416.5 C. 416.6 D. 416.8
Word Problems 1. A girls’ softball team has 3 pitchers. The
pitchers make up 20% of the team. How many total players are on the softball team?
2. Li rode her bike 25% of the way to school. She rode 5 blocks. How many blocks does Li live from school?
Word Problems Bob brought 40% of the collected canned
goods to the food pantry. If Bob brought 160 cans to the pantry, how many can were collected?
Exit Ticket 1. 180 is 30% of _______.
2. 25% of ________ is 40.