6. How many are 6 and 9? 7 and 9? 7. There are 8 trees in one row and 9 in another. How many trees are there in both rows ? 8. How many plants are 9 plants and 9 plants ? 9. How many books are 10 books and 9 books? 10. A beggar had 1 cent, and a boy gave him 10 cents. How many cents did he have then ? 11. If there are 2 strawberries on one stem and 10 on another, how many are there on both stems? 12. How many are 3 oranges and 10 oranges? 13. 4+10=? 5+10=? 6+10=? 14. A boy paid 7 shillings for oil and 10 shillings for a lamp. What was the cost of both ? 7+10=? 15. How many are 8 pigeons and 10 pigeons ? 16. How many are 9 and 10? 10 and 10? 17. Form the addition tables of nines and tens. TABLES. 1+9=10 6+9=15 2+9=11 7+9=16 3+9=12 8+9=17 4+9=13 9+9=18 5+9=14 10+9=19 1+10=11 6+10=16 2+10=12 7+10=17 3+10=13 8+10=18 4+10=14 9+10=19 5+10=15 10+10=20 1. Ruth picked 4 pinks from one stem, 3 from another, and 2 from another. How many pinks did she pick? 2. If there are 6 boys in one class, 7 boys in another, and 5 boys in another, how many boys are there in the three classes ? 6+7 +5=? 3. 2+2+2=? 3+3+3=? 5+5+5=? 6+6+6=? 4. Begin with 2 and count to 8 by 2's; thus: Two, four, six, eight. 5. Begin with 3 and count to 15 by 3's. 7. How many bells are 5 bells, 2 bells, 6 bells and 4 bells? 5+2 +6+4=? 8. 10+ 5+3+4=? 6+ 8 +4+2=? 9. 2+3+ 6+1=? 3+2+4+7=? 10. Count to 20 by 5's. To 18 by 6's. 11. A merchant sold 5 yards of calico to one girl, 3 yards to another, and 6 to another. How many yards did he sell? 12. Begin with 2 and count to 17 by 3's. 13. How many are 7 barrels, 6 barrels and 4 barrels? 14. How many are 8 and 7 and 3? 15. Lucy had 8 pins, and found 10 more. How many had she then? SLATE EXERCISES. 9 4 1 2 6 8 5 LESSON XVIII. 1. Jennie gave the teacher 6 hyacinths, Mary gave her 4, and Minnie gave her 3. How many hyacinths did they all give her? 6+4+3=? 2. In the park 3 boys are flying kites, 6 are playing ball, and 3 are rolling hoops. How many boys are there in the park? 3+3+6=? 3. There are 4 soldiers in one squad, 5 in another, and 6 in another. How many soldiers are there in the three squads? 4. How many are 4 guns, 5 guns and 6 guns? 5. There are 5 flags on one building, 2 on another, and 4 on another. How many flags are there on the three buildings? 5+2 +4=? 6. There are 6 birds in one cage, 2 in another, and 7 in another. How many birds are there in the three cages? 6+ 2 + 7 ==? 7. 11.2.6 +9=? 8 +1 + 5 +3=? 3 3 +3+3=? 1 9. Jennie is 8 years old, and her brother is 5 years older. What is the age of her brother? 10. Delia has 1 doll, Mina has 2 dolls, Carrie has 3 dolls, and Ruth has 2 dolls. How many dolls have these girls? 11. How many are 6 and 3 and 5? 6+3+5=? 12. How many are 4 and 7 and 8? 4+7+8=? 13. There are 8 goblets on the shelf, 6 on the table, and 4 on the stand. How many goblets are there in all ? 14. A wealthy gentleman had 3 draft-horses, 5 riding-horses, and 6 carriage-horses. How horses did he have ? 15. A gentleman spent 4 months of every year in Florida, 2 months in the White Mountains, 3 months in Europe, and the rest of the year at home. How many months was he away from home? 16. James wrote 6 lines in his writing-book on Monday, 3 lines on Tuesday, 7 lines on Wednesday, and 4 lines on Thursday. How many lines did he write in those four days ? 17. 8+2+3+5=? 7+3+4+4=? How many REVIEW EXERCISES. Find the value of each of the following: 544 6+8 6+3 944 8+1 6-4 549 547 5+3 749 7+6 2+8 8+3 6+4 8+8 5-6 4+7 7+9 3+9 7+5 349 345 943 444 643 88+3 5+6 8+7 448 7+8 6+6 545 649 645 449 88+4 449 548 7+6 5+7 Add the following without using slate: 2+3+4 3+4+5 6+1+5 7-2-5 6+5+3 24942 4+7+5 6+3+4 5+2+7 64548 4+9+6 5+6+8 3+5+6 3+9+2 4+6+2 3+5+6 7-5-4 7+3+5 4+149 5+9+2 7+6+2 6+8+3 5+3+4 4+7+5 3+8+4 31946 5+9+4 6+1+5 5+7+8 6+3+4 65+6 5+7+6 5+2+7 6+5+4 |