School Arithmetics: Book One-threeGinn, 1920 |
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Σελίδα 6
... example , you should see the two 10's and the 15 and write the answer , 35 . However , it is not wise to skip numbers in order to group by 10's , because you may forget the numbers you have skipped and thus make a serious error . Check ...
... example , you should see the two 10's and the 15 and write the answer , 35 . However , it is not wise to skip numbers in order to group by 10's , because you may forget the numbers you have skipped and thus make a serious error . Check ...
Σελίδα 8
... combinations . In the latter case , drill with " flash cards " is very helpful . 1527 co 3 7 1 0 8 76 342 TSII 7 5 9 4 6 0 7 6 8 8 4 7 3 1 976 | 123I ORAL ORAL SPEED TEST Look at each example and state 8 FUNDAMENTAL OPERATIONS.
... combinations . In the latter case , drill with " flash cards " is very helpful . 1527 co 3 7 1 0 8 76 342 TSII 7 5 9 4 6 0 7 6 8 8 4 7 3 1 976 | 123I ORAL ORAL SPEED TEST Look at each example and state 8 FUNDAMENTAL OPERATIONS.
Σελίδα 9
... example and state only the sum : 1. 14 9.75 17. 80 25. 71 33. 75 41. 44 3 13 2. 24 10. 61 18. 83 3 12 3. 36 11. 72 19. 42 23 14 4. 67 12. 96 20. 81 32 4 5. 77 13. 94 21. 76 32 10 30 6. 98 14. 94 22. 85 10 11 15 7. 98 15. 94 23. 87 30 40 ...
... example and state only the sum : 1. 14 9.75 17. 80 25. 71 33. 75 41. 44 3 13 2. 24 10. 61 18. 83 3 12 3. 36 11. 72 19. 42 23 14 4. 67 12. 96 20. 81 32 4 5. 77 13. 94 21. 76 32 10 30 6. 98 14. 94 22. 85 10 11 15 7. 98 15. 94 23. 87 30 40 ...
Σελίδα 10
... example , in Ex . 1 he should think : " 14 , 44 , 64 , 70 , " which is merely a short way of thinking “ 14 , 14 + 30 , 44 +20 , 64 + 6 = 70. " Only the result should be stated . Tests of this kind , the numbers being changed , should be ...
... example , in Ex . 1 he should think : " 14 , 44 , 64 , 70 , " which is merely a short way of thinking “ 14 , 14 + 30 , 44 +20 , 64 + 6 = 70. " Only the result should be stated . Tests of this kind , the numbers being changed , should be ...
Σελίδα 22
... example , 35 is a multiple of 7 and also a multiple of 5 . Factor . Any one of two or more whole numbers ( excluding the number one ) which , multiplied together , make another number is called a factor of that number . For example , 2 ...
... example , 35 is a multiple of 7 and also a multiple of 5 . Factor . Any one of two or more whole numbers ( excluding the number one ) which , multiplied together , make another number is called a factor of that number . For example , 2 ...
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9 ft acre alfalfa amount arithmetic automobile average bought bushel called cancel cent cloth coal common fraction compound numbers contains corn cubic foot dealer pays decimal fraction decimal places decimal point denominator discount distance Divide the following dividend divisible divisor dozen Draw a plan DRILL example Express factor figures Find the area find the cost Find the number Find the value flour following numbers gallons greatest common divisor height hundredths hundredweight improper fraction inches LEARNED least common multiple lowest terms marked price measure mile mixed number Multiply the following oral oranges parallelogram perimeter piece of land potatoes pound problems pupils quart quotient rectangle reduce remainder rent result rods Roman numerals scale seed sells short method side sold solve strip subtract teacher thick triangle weighs whole number wide worth write yard
Δημοφιλή αποσπάσματα
Σελίδα 291 - 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...
Σελίδα 292 - LIQUID MEASURE 4 gills (gi.) = 1 pint (pt.) 2 pints = 1 quart (qt.) 4 quarts = 1 gallon (gal...
Σελίδα 113 - TIME 60 seconds (sec.) = 1 minute (min.) 60 minutes = 1 hour (hr.) 24 hours = 1 day (da.) 7 days = 1 week (wk.) 365 days = 1 common year...
Σελίδα 107 - 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.
Σελίδα 109 - 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...
Σελίδα 214 - A B A triangle with a right angle is called a right triangle. The side opposite the right angle in a right triangle is called the hypotenuse of the right triangle.
Σελίδα 22 - Multiplication is the process of taking one number as many times as there are units in another.
Σελίδα 33 - To divide an integer by any power of 10, cut off as many figures from the right of the dividend as there are zeros at the right of the divisor.
Σελίδα 47 - Since the numerator and denominator of a fraction may be multiplied by the same number without changing the value of the fraction, they may also be divided by the same number without changing its value ; for this is only undoing the previous multipli, cation.
Σελίδα 110 - WEIGHT 16 ounces (oz.) = 1 pound (Ib.) 100 pounds =1 hundredweight (cwt.) 2000 pounds = 1 ton (T...