Easy Lessons in Mental Arithmetic: Upon the Inductive Method, Adapted to the Best Mode of Instruction in Primary Schools

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Taggard and Thompson, 1868 - 100 σελίδες

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Σελίδα 95 - OF TIME. 60 Seconds = 1 Minute. 60 Minutes = 1 Hour. 24 Hours = 1 Day. 7 Days = 1 Week. 28 Days = 1 Lunar Month.
Σελίδα 52 - ... 7 times 2 are 14 8 times 2 are 16 9 times 2 are 18 7 times 3 are 21 8 times 3 are 24 9 times 3 are 27...
Σελίδα 94 - APOTHECARIES' WEIGHT 20 grains = 1 scruple. 3 scruples = 1 dram. 8 drams = 1 ounce. 12 ounces = 1 pound.
Σελίδα 64 - ... 9 times. 2 in 2, once. 2 in 4, twice. 2 in 6, 3 times. 2 in 8, 4 times. 2 in 10, 5 times.
Σελίδα 94 - WEIGHT 27 11/32 grains 1 dram 16 drams 1 ounce 16 ounces 1 pound 25 pounds 1 quarter 4 quarters 1 cwt.
Σελίδα 55 - ... 5 times 1 are 5 5 times 2 are 10 5 times 3 are 15 5 times 4 are 20 5 times 5 are 25 5 times 6 are 30 5 times 7 are 35 5 times 8 are 40 5 times 9 are 45 5 times 10 are 50 5 times 11 are 55 5 times 12 are 60...
Σελίδα 94 - MONEY. 10 mills = 1 cent. 10 cents = 1 dime. 10 dimes = 1 dollar. 10 dollars = 1 eagle.
Σελίδα 66 - ... are 36 4 times 1 are 4 4 times 2 are 8 4 times 3 are 12 4 times 4 are 16 4 times 5 are 20 4 times 6 are 24 4 times 7 are 28 4 times 8 are 32 4 times 9 are 36 4 times 10 are 40 4 times 11 are 44 4 times 12 are 48...
Σελίδα 31 - ... fifteen (15) sixteen (16) seventeen (17) eighteen (18) nineteen (19) twenty (20...
Σελίδα 39 - Repeat the table : 7 and 1 are 8. - 7 and 6 are 13. 7 and 2 are 9. 7 and 7 are 14. 7 and 3 are 10. 7 and 8 are 15. 7 and 4 are 11. 7 and 9 are 16. 7 and 5 are 12. 7 and 10 are 17. LESSON XIII.

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