21. How many are 12 and 9 ? 22. If you have 21 cents, how many more cents do you need to make a quarter of a dollar ? 23. Walter had 25 cents, and bought a box of berries for 10 cents. How many cents had he left ? 24. Edith bought a box of paper for 15 cents, some pens for 3 cents, and a pencil for 5 cents. How much did she pay for all ? 25. David is 11 years old, and Henry is 9. What is the sum of their ages ? How much older than Henry is David ? 26. How many must you take from 15 to leave 11 ? 27. Helen has 7 more books than Maud, and Maud has 5 books. How many books has Helen? How many books have both Helen and Maud ? 28. James had 14 marbles, and John 8. How many had both ? How many more had James than John? How many will each have if James gives John 7 ? 29. Mary had 25 cents, and spent 10 cents for oranges, and 5 cents for candy. How many cents did she have left? 30. If the market-man drops a basket containing 18 eggs and thus breaks 10 of them, how many whole eggs does he have left in the basket ? CHAPTER II. READ the statements indicated by figures, in this lesson, as shown below. [The sign ti may be read and, the sign = are, or is.] Supply the figures for the ? ? 3+1= ? 3 + ? = 4 ? +1=4 Three and one are four. 5+1= ? 4 + ? = 6 ? + 7 = 10 2 + 8 ? ? + 3 7 9 + ? = 14 8 + 9 = ? ? + 2 = 11 6 + 4 = ? ? + 3 = 5 4 + ? = 13 ? + 6 = 11 9 +? = 13 ? + 9 = 16 6 + ? = 14 3 + 4 = ? 6 + 2 = ? 3 + ? = 9 ? + 5 7 5+ ? 12 ? + 5 = 9 6 + 9 ? ? + 5 = 11 3+ ? = 7 ? + 6 = 9 6 + ? 18 ? + 7 = 20 ? + 12 = 19 9+ ? = 18 ? + 4 = 12 6 + ? 20 Add the numbers below. Use the following form, beginning at the bottom, (Ex. 1) one, three, eight. Add the numbers above, beginning at the top, as (Ex. 1., 5, 2, 1) five, seven, eight. CHAPTER III. 1. Florence picked 7 roses from one bush and 4 from another. How many roses did she pick? 2. Henry sold apples for 30 cents, and berries for 20 cents. How much money did he receive ? What one coin would pay him? What two coins ? What five coins ? What ten coins ? 3. How many more than 18 lemons are 24 lemons ? 4. If I give half a dollar in payment for a dozen lemons at 25 cents a dozen and 10 cents worth of oranges, how much change should be returned ? 5. How many are 19 and 7? 6. Joseph had a quarter of a dollar, and earned 20 cents. How much more must he earn to have half a dollar? 7. How many more than 17 marbles are 23 marbles ? 8. Ethel was 17 days at Newport, and 9 days at Saratoga ; she spent the rest of her vacation of 30 days in Boston. How many days was she at Boston ? 9. James picked 8 quarts of berries, and Walter picked 11 quarts. How many quarts did both pick? How many more quarts were needed to make 24 quarts ? 10. How many more than 26 quarts are 32 quarts ? 11. Florence bought cloth for 37 cents, and ribbon for 8 cents; she then bought a spool of thread, and her whole bill was half a dollar. What was the price of the thread ? 12. How many are 12, 8, and 7 ? 13. From a barrel containing 32 gallons of vinegar 3 gallons leaked out. How many gallons remained ? 14. From a tub of butter weighing 38 pounds a merchant sold 23 pounds. How many pounds remained unsold ? 15. From 32 take the sum of 9 and 15. 16. The cloth for a coat cost 7 dollars, and the price for making and trimming was 8 dollars. How much does a dealer gain if he sells the coat for 20 dollars ? 17. From 50 take the sum of 34 and 8. 18. A man owed 50 dollars, and paid 45 dollars. How much did he still owe ? 19 How many more than 43 dollars are 50 dollars ? |