SUBTRACTION. LESSON XII. 1. If you have 2 apples, and give 1 of them to your brother, how many apples will you have left? Why? ANS. Because, if I take 1 apple from 2 apples, I shall have one apple left. 2. What do you do, to find how many apples you have left? ANS. I take the number of apples that I wish to give away, from the whole number of apples that I have, and then see how many I have left. 3. What is this process, of taking a smaller number from a larger one, called? ANs. Subtraction. 4. What, then, is Subtraction? 5. James had 3 cents, and gave one away; how many cents then had James? Why? 6. Lucy has 4 books; now, if she gives 2 of them to Jane, how many books will she have left? Why? 7. I had 5 peaches on my table, and gave 1 of them to a little girl; how many peaches had I then on the table? Why? 8. Charles had 6 doves, but the cat killed 2 of them; how many doves then had Charles? Why? 9. Rufus caught 7 fishes, and threw 2 of them back into the water; how many had he left? Why? 10. Lydia had 8 plums, and ate 4 of them; how many had she left? Why? 11. John had 5 nuts, and gave 4 of them to his mother; how many had he left? Why? 12. I had 9 sheets of paper, and gave Charles 4 of them; how many had I left? Why? 13. William had 8 pears, and gave 5 of them to his teacher; how many pears had he left? Why? 14. Ann had 7 chickens, but the rats carried off 4 of them; how many chickens then had Ann? Why? 15. William caught 10 squirrels, but 5 of them ran away; how many were left? Why? 16. Thomas found 12 cents, but lost 2 of them; how many were left? Why? LESSON XIII. NOTE TO THE TEACHER. -It is not necessary that the whole of the following table be learned before the pupil proceeds to the subsequent lessons. Only such portions may be committed to memory at a time, as may be considered necessary as he advances in his lessons. 8 from 10 leaves 29 from 11 leaves 39 from 12 leaves 4 9 from 13 leaves 5 9 from 14 leaves 69 from 15 leaves 79 from 16 leaves 89 from 17 leaves 99 from 18 leaves 9 from 19 leaves 9 from 20 leaves 9 from 21 leaves 8 from 11 leaves 11 from 11 leaves 11 from 12 leaves 11 from 13 leaves 11 from 14 leaves 11 from 15 leaves 11 from 16 leaves 11 from 17 leaves 11 from 18 leaves 11 from 19 leaves 011 from 20 leaves 111 from 21 leaves 211 from 22 leaves 311 from 23 leaves 4 512 from 12 leaves 612 from 13 leaves 712 from 14 leaves 812 from 15 leaves 210 from 12 leaves 310 from 13 leaves 410 from 14 leaves 510 from 15 leaves 610 from 16 leaves 710 from 17 leaves 810 from 18 leaves 910 from 19 leaves 1010 from 20 leaves 10 1110 from 21 leaves 11 1210 from 22 leaves 12 912 from 16 leaves 1012 from 17 leaves 1112 from 18 leaves 12 12 from 19 leaves 456789 12 from 20 leaves 012 from 21 leaves 112 from 22 leaves 10 212 from 23 leaves 11 312 from 24 leaves 12 4 7 8 9 LESSON XIV. 1. A BOY has three nuts in his right hand, and two nuts in his left hand; how many more has he in his right hand than in his left? How many has he in both? 2. James gave five cents to Lydia, and three cents to Jane; how many more did he give to Lydia than to Jane? How many did he give both? 3. Gave 6 dollars for a barrel of flour, and 2 dollars for a bushel of quinces; how much more did the flour cost than the quinces? What was the cost of both? 4. Gave 6 cents for a book, and 3 cents for plums; how much more was given for the book than the plums? What was the cost of both? 5. John gave 8 cents for a writing-book, and 2 cents for a ruler; what was the cost of both? How much more was given for the book than the ruler? 6. Samuel had 8 cents, and he gave 6 of them to his brother; how many had he left? 7. Thomas had 10 dollars; he lost 5 dollars; how many had he left? 8. If you had 7 cents in one hand and 4 in the other, how many more would you have in one hand than in the other? How many in both? 9. Paid 8 dollars for a hundred-weight of sugar, and 3 dollars for a cheese; how much more did the sugar cost than the cheese? What was the cost of both? 10. A butcher has 7 sheep and 6 lambs; how many more sheep has he than lambs? How many of both? 11. Gave 9 cents for cherries, and 2 cents for apples; how much more was given for the cherries than for the apples? What was the cost of both? 12. Received 10 dollars for a quantity of wheat; but, having lost 4 dollars, how many remain ? 13. Gave 7 dollars to the Benevolent Society, and 5 dollars to the Seamen's Aid Society; how much was given to both societies? How much more was given to the former than to the latter? 14. Paid 6 dollars for a pair of boots, and 2 dollars for a pair of shoes; how much more was paid for the boots than the shoes? What was paid for both? EXERCISES FOR THE SLATE. From 9 10 12 14 24 26 1. JOHN has 7 cents, and William has 4 cents; how many more cents has John than William ? 2. Paid 5 dollars for a barrel of flour, and 2 dollars for a barrel of apples; how much more was paid for the flour than the apples? 3. Samuel has 6 nuts, and Thomas has 4 nuts; how many more has Samuel than Thomas? 4. Sold a quantity of sugar for 7 dollars, and received in payment a barrel of flour, worth 5 dollars; how many dollars remain due? 5. Gave 10 dollars for a load of hay, and 8 dollars 3 |