Download CliffsQuickReview Math Word Problems by Karen Anglin PDF
By Karen Anglin
CliffsQuickReview path courses hide the necessities of your hardest sessions. Get an organization grip on center innovations and key fabric, and try your newfound wisdom with assessment questions.
CliffsQuickReview Math be aware difficulties promises a transparent, concise, easy-to-use evaluation of the fundamentals of fixing math note difficulties. Introducing every one subject, defining keyword phrases, and punctiliously strolling you thru every one pattern challenge can provide perception and realizing to fixing math notice difficulties. you start by means of construction a powerful starting place in translating expressions, placing parentheses, and simplifying expressions. On best of that base, you could construct your talents for fixing be aware problems:
- Discover the six uncomplicated steps for fixing note problems
- Translate English-language statements into equations after which clear up them
- Solve geometry difficulties concerning unmarried and a number of shapes
- Work on share and percentage problems
- Solve summation difficulties through the use of the Board Method
- Use tried-and-true easy methods to clear up difficulties approximately cash, investments, combos, and distance
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Additional resources for CliffsQuickReview Math Word Problems
Find the number. A number subtracted from the sum of a number and five. Chapter 4: Equations 51 18. The sum of a number and three is subtracted from the difference between a number and two. 19. The sum of six and a number is subtracted from five. 20. Four times the sum of a number and three is added to five. 21. The product of six and seven is subtracted from forty-nine. 22. The difference between a number and two is added to three times the difference between four and the number. 23. Add a number to seven.
Draw an arrow to indicate the placement of the plus sign. twice (the sum of five and a number) is added to twelve 4. The turnaround word TO indicates the twelve will be at the beginning of the expression instead of the end. Place a box around TO. twice (the sum of five and a number) is added to twelve 5. The expression translates to 12 + 2(5 + x). The expression is now translated, but it needs to be simplified. 6. When you see parentheses in an expression, use the distributive property to remove the parentheses before combining like terms.
Using commutative property of addition, place like terms adja cent to each other: –2x + –7 + –6. 4. Combine like terms to yield the simplified answer: –2x – 13. Sometimes, you are given a negative sign, but no number has to be distributed over the parentheses. In this case, you can use the identity property of mul tiplication to place a 1 in front of the parentheses so that you can distribute a –1. Remember that any number multiplied by 1 has the same value. Chapter 3: Simplifying Expressions 35 Example 10: Simplify the following expression: –17 – (x – 12) In this expression, x – 12 is being subtracted from –17.