Math Word Problems Demystified - A Self Teaching Guide
LESSON 4 Solving Word Problems Using Fractions If you need to review fractions, complete Refresher II. In order to solve word pr ...
STRATEGY: Since you need to find a total and all items are in the same units (inches), use addition. IMPLEMENTATION: 1 1 4 þ 7 8 ...
EVALUATION: You can check the solution by adding 134 þ 418 ¼ 168 þ 418 ¼ (^578) Try These How many pieces of pipe 3^58 inches l ...
SOLUTIONS: 1. 29 3 5 8 ¼ 29 1 29 8 ¼ 291 1 8 291 ¼ 8 1 ¼ 8 2. 62 1 2 15 3 4 ¼ 62 2 4 15 3 4 ¼ 61 6 4 15 3 4 ¼ 46 38 4 ...
Quiz 1 If a person earns $54,000 a year, what is the person’s monthly salary? (a) $4000 (b) $4200 (c) $4500 (d) $4800 The Arkan ...
Pennsylvania has 501 public school districts, Ohio has 661 school dis- tricts, and New York has 705 school districts. Find the ...
How much ribbon is needed to make 23 Christmas tree ornaments if each ornament requires 4^56 inches of ribbon? (a) 111^16 inche ...
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REFRESHER III Percents Percentmeans hundredths or part of a hundred. For example, 37% means 0.37 or 10037. You can think of 37% ...
To change a decimal to a percent, move the decimal two places to the right and affix the percent sign. EXAMPLE:Change each decim ...
EXAMPLE:Change each fraction or mixed number to a percent: (a) 3 5 (b) 9 10 (c) 5 8 (d) 1 1 4 SOLUTION: ðaÞ 5 Þ 3 : 0 : (^63) 5 ...
In the top portion of the circle, write the word part (P). In the lower left portion of the circle, write the word rate (R), and ...
TYPE I: FINDING THE PART EXAMPLE:Find 30% of 18. SOLUTION:Since 30% is the rate, place it in the lower left portion of the circl ...
TYPE 3: FINDING THE BASE EXAMPLE:32 is 80% of what number? SOLUTION:Since 32 is the part, place it in the top portion of the cir ...
Try These Find 65% of 50. What percent of 40 is 25? 18 is 30% of what number? What percent of 25 is 15? 15 is 75% of what numbe ...
4 : R¼ P R ¼ 15 25 ¼ 0 : 6 ¼ 60 % 5 : B¼ 15 75 % ¼ 15 0 : 75 ¼ 20 6 : P¼RB ¼ 90 % 72 ¼ 0 : 90 72 ¼ 64 : 8 7 : R¼ 25 40 ¼ 0 : ...
LESSON 5 Solving Word Problems Using Percents If you need to review percents, complete Refresher III. A percent problem consists ...
In the top of the circle, place the part (P). In the lower left portion of the circle, place the rate (%), and in the lower righ ...
TYPE 1: FINDING THE PART In type 1 problems, you are given the base and rate and you are asked to find the part. EXAMPLE:There a ...
TYPE II: FINDING THE RATE (%) In type II problems, you are given the part and the whole and are asked to find the rate as a perc ...
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