WRITTEN EXERCISES 1. Write in figures: One dollar and twenty-five cents; four dollars and eighteen cents; six dollars and eleven cents; eighteen dollars and eighty-seven cents; four dollars and ten cents; two dollars and sixty-five cents; four hundred sixty dollars and sixty cents; sixteen dollars and six cents. 11. A man put into the bank these amounts: Monday, $1.98; Tuesday, $3.87; Wednesday, $1; Thursday, 93 cents; Friday, $2.20; Saturday, 74 cents. What were his savings for the week? 12. In one year Mr. Johnson paid the grocer $227.60; the dry goods merchant, $189.45; the coal dealer, $91.75. How much money did it take to pay all these bills? DRILL WORK Review the forty-five combinations, requiring each pupil to give instantly the sum of any two numbers pointed out in the columns at the top of p. 16. This drill should be continued with each pupil until he shows no hesitancy in giving correct answers. It is well to review these combinations often. Tables like the one below may be put on the blackboard or on a large piece of cardboard and used for the constant drill necessary to secure rapid, accurate work in addition. Let the scholars copy and add all the numbers in column (a) from line 1 to line 8; from line 4 to line 10; and so on. Let the scholars copy and add all the numbers in line 1; all the numbers in line 2; and so on. Other uses of the table will suggest themselves to the teacher. SUBTRACTION ORAL EXERCISES 1. From $5 make change for these purchases: $4.25; $3.75; $2.25; $3.50; $3.85; $4.15. Read thus, $4.25, $4.50, $5.00, and so on. 2. From $5 make change for these purchases: $4.22; $4.67; $4.53; $4.45; $0.81. Give the remainders quickly : 8. From $1 a boy received in change 50 cents, 25 cents, and 5 cents. What was the amount of his purchase? 9. What was the amount of change returned from $1 if my purchases were 50 cents, 30 cents, and 12 cents? 10. A woman bought goods for $3.72 and gave the clerk a 5-dollar bill. What change did she receive? 17. Ray has $5.30, and George has $2.75. Ray has how much more money than George? 18. A man had $75.25 in the bank and drew out $48.78. How much had he left? 19. A man bought goods to the amount of $62.49 and paid for them with a check for $75. How much money did he receive in change? 20. There were 4875 votes cast for two candidates in an election. One candidate received 2896 votes. How many votes did the other candidate receive? 21. The population of a town now is 6782. This is a gain of 1095 inhabitants in ten years. What was the population ten years ago? 22. A man bought a farm for $7885 and sold it for $9000. How much did he gain? 23. Frank's father had $1250 in a bank. He drew out $533 and afterwards $265. How many dollars did he still have in the bank? 24. Charles has 250 chickens. In one yard he has 46 chickens; in another, 35; and in another, 53. How many chickens has he that are not in these yards? MULTIPLICATION ORAL EXERCISES 1. Repeat the table of 10's. What is the last figure in each product? 2. When you multiplied by 10, what figure did you add to the multiplicand to obtain the product? 3. Multiply by 10 each of these numbers: 10, 20, 50, 100, 1000. = 4. 10 x 10 ct. how many cents? In what other way you learned to write this? have 5. 10 x $2=? 10 x $3.00 = ? 10 × $3.50 = ? What must you do with the period between dollars and cents when you multiply by 10? 6. Multiply by 10 each of these: $6.00, $4.15, $5.50. 7. Give these products at sight: 8. A farmer sold 10 cows for $34 apiece. How much did he receive for them? 9. There are 36 cabbage plants in a row. How many plants are there in 10 rows? 10. of 10 × 22 = ? of 10 x 30 = ? |