Children's Arithmetic by Grades: Essential elements. Fourth book, fifth year |
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Page 22
... Draw these figures on paper . Cut out the triangle JMK . Does it equal the triangle ILN ? If the figure IJKN is a part of both IJMN and IJKL , what does the equality of the triangles show ? The area of any rectangle equals the product ...
... Draw these figures on paper . Cut out the triangle JMK . Does it equal the triangle ILN ? If the figure IJKN is a part of both IJMN and IJKL , what does the equality of the triangles show ? The area of any rectangle equals the product ...
Page 23
... Draw some rectangles among these parallelograms . THE DECIMAL NOTATION TEACH A number containing decimal units is called a decimal number or a decimal . The part at the right of the decimal point is called the decimal part ; the part at ...
... Draw some rectangles among these parallelograms . THE DECIMAL NOTATION TEACH A number containing decimal units is called a decimal number or a decimal . The part at the right of the decimal point is called the decimal part ; the part at ...
Page 40
... 7.5 ÷ .5 = ? 8. 25.16.08 x .3 ? = 10. $ .125 x .10 x 6 = ? 11. Draw to the scale of in . to 1 ft . a parallelogram , whose area is 100 sq . ft . and whose altitude is 16.6 ft . REVIEW 1. How many coats can be made from 34 WRITE 40.
... 7.5 ÷ .5 = ? 8. 25.16.08 x .3 ? = 10. $ .125 x .10 x 6 = ? 11. Draw to the scale of in . to 1 ft . a parallelogram , whose area is 100 sq . ft . and whose altitude is 16.6 ft . REVIEW 1. How many coats can be made from 34 WRITE 40.
Page 45
... drawing . If reading and arithmetic each count 2 points , and nature - study and drawing each 1 point , what was her average mark ? 2. b . ORAL . Mary had 9 in reading , 9 in arithmetic , 8 in nature - study , and 8 in drawing . If the ...
... drawing . If reading and arithmetic each count 2 points , and nature - study and drawing each 1 point , what was her average mark ? 2. b . ORAL . Mary had 9 in reading , 9 in arithmetic , 8 in nature - study , and 8 in drawing . If the ...
Page 47
... $ 4 ? How many for $ 5 ? 15. What is the area of a rectangle whose base is 31 miles and whose altitude is 4 miles ? Draw this on the blackboard : scale 3 in . = 1 mi . COMMON FRACTIONS The number which shows into how many equal 47 RECITE.
... $ 4 ? How many for $ 5 ? 15. What is the area of a rectangle whose base is 31 miles and whose altitude is 4 miles ? Draw this on the blackboard : scale 3 in . = 1 mi . COMMON FRACTIONS The number which shows into how many equal 47 RECITE.
Common terms and phrases
3d term acres altitude apples arithmetic barrel bought boys bushels butter called cancel cent ciphers circle circumference coal common fraction containing cubic dealer decimal fraction decimal places decimal point divide a fraction dividend divisible dollars Draw DRY MEASURE equal equation feet figures Find the G. C. D. Find the interest Find the value frac gallons greatest common divisor horses hundred hundred-thousandths hundredths IJKL improper fractions interest of $1 least common denominator least common multiple lemons lowest terms measure million millionths mills minuend mixed numbers multiplicand Multiply notation oranges ORDER OR PLACE paid parallelogram pounds prime factors problems proper fractions pupils quarts Quintillions ratio Read rectangle Reduce remainder REVIEW right angle simple fraction sold square Subtract ten-thousandths thousand thousandths tons triangle unit whole number worth Write yards
Popular passages
Page 19 - Separate the given number into periods of three figures each, beginning at the right hand : the left-hand period will often contain less than three figures.
Page 63 - Divide the greater number by the less, and the divisor by the remainder, and so on, until there is no remainder ; the last divisor will be the greatest common divisor.
Page 48 - ... of the fraction. The numerator and the denominator are called the terms of the fraction.
Page 49 - Multiplying or dividing both terms of a fraction by the same number does not change the value of the fraction.
Page 62 - The Greatest Common Divisor of two or more numbers is the greatest number that will exactly divide each of them. Thu4, 18 is the greatest, common divisor of 36 and 54, since it is the greatest number that will divide each of them without a remainder.
Page 65 - A multiple of a number contains all the prime factors of that number ; and the common multiple of two or more numbers contains all the prime factors of each of the numbers.