Math Review For Standardized Tests (1st edition) by Jerry Bobrow Ph.D.

By Jerry Bobrow Ph.D.

The CliffsTestPrep sequence deals full-length perform checks that simulate the genuine exams; confirmed test-taking recommendations to extend your percentages at doing good; and thorough evaluate workouts to assist fill in any wisdom gaps. Math assessment for Standardized assessments is for an individual who's making plans to take the *SAT, ACT, GRE, GMAT, *PSAT, CBEST, NTE, or the other standardized try out. You get a struggling with likelihood at good fortune by way of focusing squarely on a test-oriented math evaluation. every one overview part contains: A diagnostic try to identify components that desire designated awareness principles and ideas with examples perform difficulties whole (and comprehensible) causes A evaluation try in the event that your math abilities are shaky, this advisor will refresh your reminiscence through reintroducing mathematical principles and ideas you could have discovered yet in view that forgotten. Glossaries support your knowing of math phrases utilized in the issues and reasons. Math evaluate for Standardized exams covers those parts of math: mathematics, together with rounding off, positives and negatives, fractions, decimals, chances, medical notation, exponents, sq. roots, records, measures Algebra, together with units, variables, expressions, ratios, factoring, proportions, monomials, polynomials, quadratic equations, inequalities, roots and radicals. Geometry, together with angles, traces, polygons, triangles, Pythagorean Theorem, quadrilaterals, circles, congruence and similarity, and sturdy figures notice difficulties, together with easy and compound curiosity, ratio and share, movement, chances, a long time, geometry, combinations With counsel from the CliffsTestPrep sequence, you are going to believe at domestic in any standardized-test setting! *SAT and PSAT are registered logos of the varsity Board, which was once no longer enthusiastic about the creation of, and doesn't advocate this product.

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4. (3) —+ I 3 + I -6~ 9 10 4 + 15 Answers: Adding Positive and Negative Fractions Problem s 1 . + 4 =+ 8 5 10 10 2. 9 10 1 10 7 10 3. +3+ - 1 =+3 + -2 = 1 4 2 4 4 4 (—3 ) 4 3 1 6/ (_ 9 \ + ( 4 \ + (_ 2 \ 12) 12) 12) 7 12 27 30 4 8 +— = + 5 30 19 30 Subtracting Fractions • To subtract fractions, the same rule (find the LCD) given on p. 34 applies, except that you subtract the numerators . For example : ARITHMETIC 7 8 7 8 3 4 1 4 2 8 5 8 1 4 3 r 12 5 12 37 9 12 Again, a subtraction problem may be done across, as well a s down : 5 1 + 3\ 8 k 8) 2 8 1 4 Practice: Subtracting Fractions Problem s 1.

2. 3. 4. 5. Round off 137 to the nearest ten . Round off 4,549 to the nearest hundred . 4758 to the nearest hundredth . 483 to the nearest one . 38512 to the nearest thousandth . Answers: Rounding Off Problems 1 . 140 2 . 4,500 3 . 48 4 . 99 5 . 38 5 Signed Numbers (Positive Numbers and Negative Numbers ) Number Lines • On a number line, numbers to the right of 0 are positive . Numbers to the left of 0 are negative, as follows . etc . -3 I I I- I I etc . 2 -1 0 +1 +2 + 3 Given any two numbers on a number line, the one on the right i s always larger, regardless of its sign (positive or negative) .

2. 3. 4. 5. Round off 137 to the nearest ten . Round off 4,549 to the nearest hundred . 4758 to the nearest hundredth . 483 to the nearest one . 38512 to the nearest thousandth . Answers: Rounding Off Problems 1 . 140 2 . 4,500 3 . 48 4 . 99 5 . 38 5 Signed Numbers (Positive Numbers and Negative Numbers ) Number Lines • On a number line, numbers to the right of 0 are positive . Numbers to the left of 0 are negative, as follows . etc . -3 I I I- I I etc . 2 -1 0 +1 +2 + 3 Given any two numbers on a number line, the one on the right i s always larger, regardless of its sign (positive or negative) .

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