38. Clarence has a foreign coin stamped MDCCLXX. In what year was it minted? 39. On the corner stone of a public library are these letters MDCCCXCII. When was the corner stone laid? 40. The seal of a celebrated boys' school bears the letters MDCCLXVIII. When was the school founded? 41. A monument commemorating the landing of the Pilgrims bears these dates: MDCXX MCMX The upper date tells when the Pilgrims landed; the lower, when the monument was dedicated. Write both dates in figures. 42. Write in letters the two dates which should be inscribed on a tablet commemorating the birth of Washington (1732) and the 200th anniversary of his birth. 43. Write (1) in words; (2) in figures; (3) in letters: Your age; your grade in school; the number of your schoolroom; the number of pupils in the room; this page of the book; the number of pages in the book; the present month of the year; the day of the month; the present year; the street number of your house; the year in which you were born. DICTATION EXERCISES 1. 64÷8, × 3, +11, ÷ 7, — 2, × 9, + 6, ÷ 3, × 5. 2. 12 x 9, +2, ÷ 11, x 4, 8, × 2, -8, ÷ 7, × 5, +15. 3. 76, 3, x 7, +2, ÷ 8, 3, x 6, +4, ÷ 10,- 4. 4. 12 × 7, 9, ÷ 5, 6, 7, × 13, + 3, ÷ 6, +4, × 3. 5. 1089, +8, − 4, × 6, ÷ 8, + 8, − 5, × 3, ÷ 9, + 5. 6. 644, -2, × 2, ÷ 4, + 4, × 8, -4,÷7, -6, × 0. NOTE. Similar dictations should be given daily. ADDING TWO COLUMNS AT ONCE Find the sum, adding both columns at once; test the Beginning with 25, or any given number, add the num bers in examples 1 to 12. NOTE. Drill in this form of addition should be given frequently until pupils become proficient. To each number in the table add 2; 3; 4; 5; 6; 7; 8; 9; 10; 11; 12. To each number add 10; 20; 30; 40; 50; 60; 70; 80; 90; 110; 120. Give the sum of each number in the table and 79. Thus, 144 + 79; 144709; think 214, 223; say 223. Add other numbers to the numbers in the table. Find the sum of column A. Of the other columns. Find the sum of row 1. Of the other rows. EXERCISES IN SUBTRACTION From the numbers in the drill table take 2; 4; 6; 8; 1; 3; 5; 7; 9. Subtract each number in the drill table from 200; from 500; from 800. - Take 69 from each number in the drill table. Thus, 144 69 = 144609; think 84, 75; say 75. Find the difference between other numbers and the numbers in the drill table. 1. From 865 take 376. 3. From 407 take 69. 5. From 5000 take 976. 7. Fom 4652 take 848. 9. From 8507 take 3698. 11. From 65,089 take 9999. 2. Take 589 from 706. 4. Take 418 from 724. 6. Take 1987 from 5086. 8. Take 1695 from 4763. 10. Take 6007 from 70,006. 12. Take 40,004 from 90,000. 13. From 60,057 take 39,068. 14. Take 9728 from 69,573. 15. From 46,008 take 17,439. 16. Take 80,668 from 861,547. EXERCISES IN MULTIPLICATION Multiply (orally) each number in the drill table on page 146 by 2; |