A Second Course in the New Mathematics |
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Σελίδα 63
CHAPTER III SAVING TIME BY RATIO AND PROPORTION Last year we studied ratios , and saw how a graph helps us to picture them . We have just been studying equations . Now we are to use ratios to form equations .
CHAPTER III SAVING TIME BY RATIO AND PROPORTION Last year we studied ratios , and saw how a graph helps us to picture them . We have just been studying equations . Now we are to use ratios to form equations .
Σελίδα 64
Renewing Acquaintance with Ratios 1. What is the ratio of 5 to 10 ? of 5 to 20 ? of 20 to 15 ? of 16 to 24 ? 2. What is the ratio of 100 to 1000 ? of 4 bu . to 8 bu . ? . of 6 feet to 10 yards ? of 5 days to 10 weeks ? of 6 dimes to 2 ...
Renewing Acquaintance with Ratios 1. What is the ratio of 5 to 10 ? of 5 to 20 ? of 20 to 15 ? of 16 to 24 ? 2. What is the ratio of 100 to 1000 ? of 4 bu . to 8 bu . ? . of 6 feet to 10 yards ? of 5 days to 10 weeks ? of 6 dimes to 2 ...
Σελίδα 65
16. fequals the ratio of what to 100 ? 17. ... The ratio of the height of a tree to that of the pole is 94 to 1. How high is the tree ? 20. ... A proportion is a statement of the fact that two ratios are equal .
16. fequals the ratio of what to 100 ? 17. ... The ratio of the height of a tree to that of the pole is 94 to 1. How high is the tree ? 20. ... A proportion is a statement of the fact that two ratios are equal .
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SAVING TIME BY THE | 1 |
gives six shortcuts | 7 |
Some Fine Kansas Cattle | 8 |
Πνευματικά δικαιώματα | |
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Άλλες εκδόσεις - Προβολή όλων
Second Course in the New Mathematics Edward Ira Edgerton,Perry Amherst Carpenter Προβολή αποσπασμάτων - 1958 |
Συχνά εμφανιζόμενοι όροι και φράσεις
acre added amount angle annual answer automobile average bank base bonds bought building called cents Change Chapter Committee compounded cost cubic decimal deposit difference discount distance Divide dollars draw earn equal equation Example feet feet long figures Find foot formula gain gallons give given graph Habit height hour inches income increase interest investment length less loss means measure meter miles minutes months Multiply obtain paid pounds Practice premium problems pupils ratio receive represent result savings score selling price shares Short-Cut side similar Skill sold Solution Solve square root Subtract Test third Trial triangle United volume week wide worth Write yards York
Πληροφορίες βιβλιογραφίας
| Τίτλος | A Second Course in the New Mathematics Junior high school mathematics Junior high school mathematics, ed. by J. M. Glass |
| Συγγραφείς | Edward Ira Edgerton, Perry Amherst Carpenter |
| Εκδότης | Allyn and Bacon, 1928 |
| Πρωτότυπο από | το Πανεπιστήμιο της Καλιφόρνια |
| Ψηφιοποιήθηκε στις | 17 Νοεμ. 2007 |
| Μέγεθος | 375 σελίδες |
| Εξαγωγή αναφοράς | BiBTeX EndNote RefMan |