### ‘ι κίμε οι ςώόστερ -”ΐμτανγ ξώιτιξόρ

Ρεμ εμτοπΏσαλε ξώιτιξίρ στιρ σθμόηειρ τοποηεσΏερ.

### Ργλοωικό αποσπήσλατα

”εκΏδα 138 - 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...
”εκΏδα 137 - 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.
”εκΏδα 136 - LENGTH 12 inches (in.) =1 foot (ft.) 3 feet = 1 yard (yd.) 5\ yards, or 16| feet = 1 rod (rd.) 320 rods, or 5280 feet = 1 mile (mi.) SQUARE MEASURE 144 square inches (sq.
”εκΏδα 66 - The GREATEST COMMON DIVISOR of two or more numbers is the greatest number that will divide each of them without remainder ; thus, 6 is the greatest common divisor of 12, 18, and 30.
”εκΏδα 142 - Thirty days hath September, April, June, and November ; All the rest have thirty-one, Except the second month alone, Which has but twenty-eight, in fine, Till leap year gives it twenty-nine.
”εκΏδα 121 - In the metric system, the unit of length is the meter, which is one ten-millionth of the distance from the Equator to the North Pole.
”εκΏδα 261 - The square described on the hypothenuse of a rightangled triangle is equal to the sum of the squares described on the other two sides.
”εκΏδα 144 - NUMBERS. 12 units = 1 dozen. 12 dozen — 1 gross. 12 gross = 1 great gross. 20 units = 1 score. PAPER. 24 sheets = 1 quire. 20 quires = 1 ream. 2 reams = 1 bundle. 5 bundles = 1 bale.
”εκΏδα 79 - To reduce a mixed number to an improper fraction, — RULE : Multiply the whole number by the denominator of the fraction, to the product add the numerator, and write the result over the denominator.
”εκΏδα 259 - The area of a parallelogram is equal to the product of its base and its height: A = bx h.