QUESTIONS ON THE FOREGOING. 2. What does Number show? 1. How is it represented? 1. What letters and what figures stand for one, four, five and nine! What for ten? Ans. The figure 1 and 0 called naught or cipher. 3. What letters and what figures stand for eleven? For twelve? Fifteen? Twenty? Forty? Fifty? Ninety? What different numbers may be represented by the figures 1 and 5 written together? Ans. Fifteen and fifty-one; as, 15:51. 4. What different numbers may be expressed by the figures 1 and 9? 2 and 5? What number is expressed by c? by D? by м? What by C, D, and M, with a dash over each. 5. What figures stand for one hundred? For two hundred? One thousand? Ten thousand? One hundred thousand? One million? ADDITION.' QUESTIONS. II. 1. Thomas has 3 dollars and Rufus 5 dollars. How many dollars have they both? Say 3 and 5 are 8. A. 8 dollars. 2. A farmer has 5 cows in his yard, and 6 in the pasture. How many cows has he in both places? 3. A man bought a hat for 5 dollars, and a pair of boots for 7 dollars. How many dollars did he pay for both? 4. A man lost 7 dollars, and then had 8 dollars left? How many dollars had he at first? 5. A man gave 8 dollars for a saddle, 5 dollars for a bridle, and 2 dollars for a whip. What did the whole cost him? 6. Suppose there are 8 oranges in a basket, 5 on a table, and 4 in my pockets. How many will they all make? 7. A grocer sold to one man 6 barrels of flour, to another 9 barrels, and still had 5 barrels left. How many barrels had he at first? 8. In a certain class are 6 large boys, 7 small ones, and 10 girls. How many scholars are there in the class? 9. A boy has 10 dollars, his father gave him 10 more, and he has 5 owing to him. How many will they all make? 10. Thomas read 19 pages of history in one day, 12 in another, and 9 in another. How many pages did he read in all? 11. Suppose you are 10 years old, and that your brother was 10 years old when you were born. What is his age now? 12. A man gave 10 dollars more for his horse than for his wagon, and the wagon cost him 30 dollars. What did they both cost him? 13. How many are 10 and 30 and 40? 60 and 10 and 20? 100 and 200 and 400? 600 and 300 and 100? 1 ADDITION, [L. additio.] Any thing added; adding; joining; uniting two or more numbers in one sum. 14. When it is 1 o'clock, a regular clock strikes once; when it is 2 o'clock, twice; when it is 3 o'clock, thrice. How many strokes will these make? A. 6 strokes: because 1 and 2 are 3, and 3 are 6. 15. Add together all the strokes that a clock strikes in 12 hours, as in the above picture of a clock. [Thus 1 and 2 are 3, and 3 are 6, and 4 are 10, and so on up to 12.] In the following table the single figures are combined' by pairs in every possible manner; so that, if it be committed to memory, the learner can add with facility2 any two numbers whatever. 16. Repeat the above table beginning at the top on the left. What are all the different pairs of single figures that together make 7? make 9 10 12 13 14 15 16 17 18? 17. How many are 8 and 4? 18 and 4? 28 and 4? 48 and 4? 7 and 6 17 and 6? 26 and 7? 57 and 6? 86 and 7? 96 and 7? 18. How many are 9 and 5? 19 and 5? 55 and 9? 8 and 8? 38 and 8? 98 and 8? 5 and 7? 65 and 7? 9 and 8? 49 and 8? 99 and 8? 19. Add together audibly3 10 twos: 10 threes: 10 fours: 10 fives: 10 sixes: 10 sevens: 10 eights: 10 nines: 10 tens. 20. How many are 78 and 10 and 3? 78 and 13? 91 and 14 [10 and 4] 105 and 15 [10 and 5]? 120 and 16? 136 and 17? 153 and 171 and 19? 18 21. Add together audibly3 all the different numbers under 20, beginning with the lowest. 1 COMBINED, United closely; associated; leagued; confederated. 2 FACILITY, [L. facilitas.] Easiness to be performed; readiness; affability. 3 AUDIBLY, In a manner so as to be heard; in an audible manner. QUESTIONS ON THE FOREGOING. 2. What does Number show? 1. How is it represented? 1. What letters and what figures stand for one, four, five and nine! What for ten? Ans. The figure 1 and 0 called naught or cipher. 3. What letters and what figures stand for eleven? For twelve? Fifteen? Twenty? Forty? Fifty? Ninety? What different numbers may be represented by the figures 1 and 5 written together? Ans. Fifteen and fifty-one; as, 15:51. 4. What different numbers may be expressed by the figures 1 and 9? 2 and 5? What number is expressed by c? by D? by M? What by C, D, and M, with a dash over each. 5. What figures stand for one hundred? For two hundred? One thousand? Ten thousand? One hundred thousand? One million? ADDITION.' QUESTIONS. II. 1. Thomas has 3 dollars and Rufus 5 dollars. How many dollars have they both? Say 3 and 5 are 8. A. 8 dollars. 2. A farmer has 5 cows in his yard, and 6 in the pasture. How many cows has he in both places? 3. A man bought a hat for 5 dollars, and a pair of boots for 7 dollars. How many dollars did he pay for both? 4. A man lost 7 dollars, and then had 8 dollars left? How many dollars had he at first? 5. A man gave 8 dollars for a saddle, 5 dollars for a bridle, and 2 dollars for a whip. What did the whole cost him? 6. Suppose there are 8 oranges`in a basket, 5 on a table, and 4 in my pockets. How many will they all make? 7. A grocer sold to one man 6 barrels of flour, to another 9 barrels, and still had 5 barrels left. How many barrels had he at first? 8. In a certain class are 6 large boys, 7 small ones, and 10 girls. How many scholars are there in the class? 9. A boy has 10 dollars, his father gave him 10 more, and he has 5 owing to him. How many will they all make? 10. Thomas read 19 pages of history in one day, 12 in another, and 9 in another. How many pages did he read in all? 11. Suppose you are 10 years old, and that your brother was 10 years old when you were born. What is his age now? 12. A man gave 10 dollars more and the wagon cost him 30 dollars. for his horse than for his wagon, What did they both cost him? 13. How many are 10 and 30 and 40? 60 and 10 and 20? 100 and 200 and 400? 600 and 300 and 100? 1 ADDITION, [L. additio.] Any thing added; adding; joining; uniting two or more numbers in one sum. 14. When it is 1 o'clock, a regular clock strikes once; when it is 2 o'clock, twice; when it is 3 o'clock, thrice. How many strokes will these make? A. 6 strokes: because 1 and 2 are 3, and 3 are 6. 15. Add together all the strokes that a clock strikes in 12 hours, as in the above picture of a clock. [Thus 1 and 2 are 3, and 3 are 6, and 4 are 10, and so on up to 12.] In the following table the single figures are combined' by pairs in every possible manner; so that, if it be committed to memory, the learner can add with facility" any two numbers whatever. 16. Repeat the above table beginning at the top on the left. What are all the different pairs of single figures that together make 7? make 9 10 12 13 14 15 16 17 18? 17. How many are 8 and 4? 18 and 4? 28 and 4? 48 and 4? 7 and 6 17 and 6? 26 and 7? 57 and 6? 86 and 7? 96 and 7? 18. How many are 9 and 5? 19 and 5? 55 and 9? 8 and 8? 38 and 8 98 and 8? 5 and 7? 65 and 7? 9 and 8? 49 and 8? 99 and 8? 19. Add together audibly3 10 twos: 10 threes: 10 fours: 10 fives: 10 sixes: 10 sevens: 10 eights: 10 nines: 10 tens. 20. How many are 78 and 10 and 3? 78 and 13? 91 and 14 [10 and 4] 105 and 15 [10 and 5]? 120 and 16? 136 and 17? 153 and 18? 171 and 19? 21. Add together audibly3 all the different numbers under 20, beginning with the lowest. 1 COMBINED, United closely; associated; leagued; confederated. 2 FACILITY, [L. facilitas.] Easiness to be perforined; readiness; affability. 3 AUDIBLY, In a manner so as to be heard; in an audible manner. SUBTRACTION.' QUESTIONS. III. 1. A boy having 15 cents lost 10; how many had he left? Say 10 from 15 leaves 5; because 10 and 5 are 15. A. 5 cents. 2. A man owing 12 dollars paid 7 dollars. How many dollars did he still owe? 7 from 12 leaves how many and why? 3. A grocer bought a barrel of molasses for 15 dollars, and sold it for 18 dollars. How much did he make on it? 4. Suppose your age to be 12 years, and your brother's 20 years. What is the difference between your age and his? 5. A farmer bought a cow for 20 dollars and sold her for 15 dollars. What was his loss? 6. Thomas and William counted their nuts; the former had 30 and the latter 50. How many had one more than the other? 7. A certain cistern has one pipe by which 25 gallons run in every hour, and another pipe by which 19 gallons run out every hour. How many gallons will stay in every hour? 8. How many are left in taking 3 from 11? 3 from 21? 3 from 51? 4 from 13? 4 from 23? 4 from 53? 4 from 83? 9. How many does 5 from 12 leave? 5 from 32 6 from 16? 6 from 367 from 15? 9 from 17? 9 from 37 9 from 107? 10. How many cents added to 100 cents will make 200 cents? 11. What is the difference between 300 cents and 700 cents? 12. How much smaller is 70 than 270? 500 than 1000? 1275 than 275? 13. How much larger is 590 than 90 14. A gentleman paid 250 dollars for his carriage, and 50 dollars less for his horse. What was the price of his horse? MULTIPLICATION.' QUESTIONS. IV. 1. A farmer gave 10 dollars for a calf, 10 dollars for a plough and 10 dollars for a load of hay. What did he pay for the whole? Say 10 and 10 and 10 are 30; or as 10 is taken 3 times, rather say at once, 3 times 10 are 30, as in the Table. 2. What will 5 hats cost at 4 dollars a-piece? for the whole? How many are 3 times 10? A. 30 dollars. 4. If a shoemaker can manufacture 4 pair of shoes in one day, how many can he make at that rate in 8 days? In 10 days? 1 SUBTRACTION, [L. subtractio.] The act of taking a part from the rest. 2 MULTIPLICATION. [multiplicatio.] The act of increasing in number. |