ARABIC AND ROMAN NUMBERS. The Arabic and Roman methods of expressing numbers are as follows: NUMBERS. 20 XX NUMBERS. Twenty. ADDITION. LESSON I. 1. How many are 2 and 1 ANALYSIS.-Two and one are 3. 2. How many are 2 and 2? are 3. How many 2 and 3? 4. 5. How many are 2 and 4? 2 and 5? 6. 7. 8. How many are 2 How many are 2 and 6? and 78 and 8? 9. How many are 2 and 9? 10. How many are 2 and 10 ? 1. Henry had 4 apples, and bought 2 more; how many did he then have ? ANALYSIS.-If Henry had 4 apples, and should buy 2 more, he would then have 4 apples and 2 apples, which are 6 apples. 2. Harvey had 5 books, and James had 2; how many books did both have? 3. Mary has 3 peaches, and John gave her 2 more; how many peaches did she then have ? 4. Moses had 2 cents, and his father gave him 8 more; how many cents did he then have? 5. Edwin had 10 marbles, and found two more; how many marbles did he then have ? 6. Catharine had 6 pinks, and Mary gave her 2 more; how many had Catharine then? 7. Alice found 9 pins, and her mother gave her 2 more; how many did Alice then have? 8. Francis spelled 7 words correctly and 2 incorrectly; how many words were given to him? 3. 4. 5. How Hi S LESSON III. 1. How many are 3 and 1? and 5? 6. How many are 3 and 6? many are 3 and 7? How many are 3 many are 3 and 9? and 10 ? 13. 2 14. 11. 4 and 3 are how 12. 3 and 3 are how and 3 are how 6 and 3 are how how 15. 8 and 3 are how many ? 17. 3 and 7 are how many ? 18. 5 and 3 are how many? 19. 11 and 3 are how many? LESSON IV. 1. If a ball cost 6 cents, and a top cost 3 cents, how much will both cost? ANALYSIS.-If a ball cost 6 cents, and a top cost 3 cents, both will cost the sum of 6 cents and 3 cents, which is 9 cents. 2. A boy paid 3 cents for a cake, and 2 cents for an orange; how much did he pay for both? 3. Emily bought a melon for 10 cents, and a lemon for three cents; what did she give for both? 4. There were 9 boys on one bench, and 3 on another; how many boys were on both? 5. Harriet had 8 sweet apples and 3 sour ones; how many apples had she in all? 6. Hezekiah shot 5 red squirrels and 3 gray ones; how many squirrels did he shoot in all? 7. Darius had 3 books, and his father gave him 3 more; how many books had he then? 8. Fanny had 6 plums, and her sister gave her 3 more; how many plums had she then? 9. Betsy gave 7 cents for tape, and 3 cents for thread; what did she pay for both? 10. Theda gave 11 cents for a comb, and 3 cents for some hair-pins; how many cents did she pay for all? 5. How many are 4 and 5? 6. 7. 8. 9. 10. and 8? How many are 4 11. 4 and 3 are how and 9? and 10? many? and 6? 15. many ? 16. 4 and 8 are how 17. 5 and 4 are how many ? how many? 18. 10 and 4 are how 19. 9 and 4 are how 20. 4 and 11 are how LESSON VI. 1. Sarah had 4 rings on one finger, and 3 on another; how many had she on both fingers? 2. Walter has 9 chickens, and William 4; how many have both? 3. Bought a pencil for 6 cents, and a piece of rubber for 4 cents; what did I pay for both! |