## Junior High School Mathematical Essentials, Volume 9 |

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added addition algebra altitude amount angle answer arithmetic average base called circle column common Complete computation constant Construct correct corresponding cosine cost decimal places denominator diagonal difference direct distance divided division divisor Draw equal equation Example express Extract factors feet figure Find Find the value formula fraction gallons give given graph graphically hour increases integral interest known learned length less mathematics means measurement method miles minutes mixture Multiply number scale Observe polynomial pounds Practice problem proportion quadratic quotient ratio Read rectangle represent result right triangle shown shows side similar sine solution Solve square root statement Step subtraction surds tangent tell Think true unknown variables weight width Write written

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Page 311 - Square Measure 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet = 1 square yard (sq.

Page 311 - CUBIC MEASURE 1728 cubic inches (cu. in.) =1 cubic foot (cu. ft.) 27 cubic feet = 1 cubic yard (cu. yd.) 128 cubic feet = 1 cord (cd...

Page 83 - ... the square of the second. _ Again, (a — by = (a — 5) (a — 5) = a2 — 2a6 + 52. (2) That is, The square of the difference of two quantities is equal to the square of the first, minus twice the product of the first by the second, plus the square of the second.

Page 310 - OF WEIGHT 10 milligrams (mg.) = 1 centigram (eg.) 10 centigrams = 1 decigram (dg.) 10 decigrams = 1 gram (g.) 10 grams = 1 dekagram (Dg...

Page 310 - Length 10 millimeters (mm.) = 1 centimeter (cm.) 10 centimeters = 1 decimeter (dm.) 10 decimeters = 1 meter (m.) 10 meters = 1 dekameter (Dm.) 10 dekameters = 1 hektometer (Hm.) 10 hektometers = 1 kilometer (Km.) 10 kilometers = 1 myriameter (Mm.) Measures of Surface 100 sq.

Page 310 - CAPACITY 10 milliliters (ml.) = 1 centiliter (cl.) 10 centiliters = 1 deciliter (dl.) 10 deciliters = 1 liter (1) 10 liters = 1 dekaliter (Dl.) 10 dekaliters = 1 hectoliter (HI.) 10 hectoliters = 1 kiloliter (Kl.) MEASURES OF WEIGHT 10 milligrams (mg.) = 1 centigram (eg.) 10 centigrams = 1 decigram (dg.) 10 decigrams = 1 gram (g.) 10 grams...

Page 311 - SQUARE MEASURE 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet — 1 square yard (sq. yd.) 30^ square yards = 1 square rod (sq. rd.) 160 square rods = 1 acre (A.) 640 acres = 1 square mile (sq.

Page 311 - TABLE 13. = 1 minute min. = 1 hour hr. = 1 day da. = 1 week wk. = 1 common year ... yr. = 1 leap year. = 1 century.

Page 175 - I purchase for $ 5 ? 10. A can do a piece of work in 6 days, B can do it in 7 days. If B's wages are $2.10 per day, how much should A receive per day?

Page 108 - Both terms of a fraction may be divided by the same number without changing the value of the fraction.