PBR PERCENT BASE AND RATE PBR means percent

PBR (PERCENT, BASE AND RATE)

PBR means percent, base and rate. Ø § § § Percent is a part of the base determined by the rate. Base is the whole on which the rate operates Rate is the number of hundredths parts taken followed by a percent sign (%) Let us have an example where we can learn how PBR works.

FIND 50% OF 250 This is the rate This is the base To find the percent, simply turn the rate into a decimal and multiply it with the base. This example asks what the percentage is.

SOLUTION 250 x 50% = 250 x. 50 250 First change the rate into a decimal then multiply the base and the rate X . 50 …. . and when you arrive at the final answer, remember to count the 000 decimal places and put the decimal point in your final answer… + 12500 125 00 .

FINAL ANSWER: 50% of 250 IS 125.

FIND A NUMBER WHEN 20% OF IT IS 50 This example asks for the base. You can find the base by dividing the percentage using the rate as the divisor.

SOLUTION . 20 50 25 0 20 5000 40______ 100_____ 0 DON’T FORGET WHAT TO DO IF YOUR DIVISOR IS A DECIMAL NUMBER!

FINAL ANSWER: 250 IS THE BASE.

WHAT PERCENT OF 250 IS 75? IT IS ASKING FOR THE RATE YOU CAN FIND THE RATE BY DIVIDING THE PERCENTAGE USING THE BASE AS THE DIVISOR.

SOLUTION: . 3 0 250 75. 0 - 0 75. 0 - 75 0 X CONTINUE EVEN IF THE ANSWER IS BELOW THAN ONE

FINAL ANSWER: . 3% IS THE FINAL ANSWER….

LETS SEE WHAT YOU HAVE LEARNED 1. 2. 3. 4. 5. WHAT IS 50% OF 650? 3, 060 IS 75% OF WHAT NUMBER? WHAT IS 75% OF 2, 000? WHAT PERCENT OF 2, 468 IS 617? WHAT IS 20% OF 90?

ANSWER KEY TO ACTIVITY: 1. 2. 3. 4. 5. 325 4, 080 1, 500 25% 18

GUESS WHAT? ! IT’S ASSIGNMENT TIME! 1. 2. 3. 4. 5. WHAT IS 25% OF 1, 272? 360 IS 80% OF WHAT NUMBER? 5, 400 IS 160% OF WHAT NUMBER? WHAT PERCENT OF 632 IS 316? WHAT PERCENT 0 F 1, 581 IS 3, 162?

Credits: 1. Isaiah Lorenz D. Grafilo – Animator 2. Wyette Ymarri V. Balagtas – Encoder 3. Hermione Maurice P. Udalve – Color Artist 4. Florilyn R. Betancor – Activity / Quiz maker 5. Bea Coleen M. Macasilhig – editor Passed to : Tchr. RHILEN A. TUARDON

BYE!!!

ANSWER KEY TO ASSIGNMENT: 1. 2. 3. 4. 5. 318 450 3, 375 50% 200%