1. Add 6 to 4, to 24, to 234. Add 4 to 6, to 16, to 236.
2. Subtract 6 from 10, from 50, from 100, from 240.
3. Subtract 4 from 10, from 50, from 100, from 240.
4. Add 7 to 4, to 24, to 34, to 84, to 94, to 154, to 344.
5. Subtract 7 from 11, from 31, from 151, from 221.
6. Subtract 4 from 11, from 21, from 131, from 331.
7. Add 5 to 9, to 19, to 39, to 59, to 79, to 129, to 169.
8. Add 9 to 5, to 15, to 35, to 55, to 75, to 165, to 225.
9. Subtract 9 from 14, from 74, from 84, from 444.
10. Subtract 5 from 14, from 64, from 94, from 424.
11. Add 3 to 8, to 38, to 58, to 128, to 228, to 368, to 668.
12. Subtract 3 from 11, from 51, from 221, from 271.
13. Subtract 8 from 11, from 31, from 91, from 111.
14. Add 4 to 9, to 19, to 29, to 49, to 69, to 119, to 229.
15. Add 9 to 4, to 14, to 54, to 74, to 94, to 114, to 224.
16. Subtract 4 from 13, from 33, from 133, from 333.
17. Subtract 9 from 13, from 33, from 133, from 223.
18. Add 6 to 8, to 18, to 28, to 68, to 228, to 238, to 368.
19. Add 8 to 6, to 16, to 66, to 96, to 226, to 236 to 666.
20. Subtract 6 from 14, from 34, from 74, from 324.
21. Subtract 8 from 14, from 34, from 74, from 324.
22. Add 5 to 7, to 27, to 97, to 127, to 237, to 267, to 697.
23. Add 7 to 5, to 25, to 55, to 95, to 1005, to 1215.
24. Subtract 7 from 12, from 52, from 92, from 102.
25. Subtract 5 from 12, from 52, from 92, from 102.
26. Add 9 to 2, to 32, to 72, to 122, to 192, to 292, to 662.
27. Add 2 to 9, to 19, to 29, to 99, to 269, to 299, to 669.
28. Subtract 9 from 11, from 31, from 91, from 101.
29. Subtract 2 from 11, from 31, from 91, from 101.
30. Add 8 to 7, to 27, to 77, to 187, to
31. Add 7 to 8, to 28, to 88, to 178, to
32. Subtract 8 from 15, from 25, from

197, to 557, to 997.
188, to 558, to 678.
75, from 155.

In writing dollars and cents, remember

1. To place the sign ($) before the figure.

2. To place a point (.) between dollars and cents.

39

3. To place a cipher between the point and any number of cents less than 10.

1. One dollar equals 100 cents.

13. $

2.

4

3. 5

4. 25

5. 10

6. 75

7. 33

8. 20

9. 60

10. 66

cents equal what part of a dollar? cents equal what part of a dollar? cents equal what part of a dollar? cents equal what part of a dollar? cents equal what part of a dollar? cents equal what part of a dollar? cents equal what part of a dollar? cents equal what part of a dollar? cents equal what part of a dollar? 11. 12 cents equal what part of a dollar? 12. 37 cents equal what part of a dollar?

25. How many books at 12 cents each can be bought for $1.25?

26. How many at 20 27. How many at 25 28. How many at 333 29. How many at 12 30. How many at 5 31. How many at 4 32. How many at 20 33. How many at 12

cents each can be bought for $2.40? cents each can be bought for $5.50? cents each can be bought for $9.00? cents each can be bought for $2.50? cents each can be bought for $2.50? cents each can be bought for $2.00? cents each can be bought for $4.00? cents each can be bought for $5.00?

34. Find the cost of 2 hats at $1 each.

35. Find the cost of 3 coats at $12 each.

36. Find the cost of 5 pairs of shoes at $33 a pair.

40

1. Memorize

2 pints make 1 quart.

8 quarts make 1 peck.

4 pecks make 1 bushel.

2. How many pints in 1 quart? 2 quarts? 2 quarts? 1 peck? 1 peck 1 quart? 1 peck 2 quarts? 2 pecks 4 quarts? 1 bushel? 1 bushel 1 peck? bushel peck quart?

3. How many quarts in 1 peck? 24 pecks? 1 bushel: 1 bushels? 2 bushels 1 peck? 2 bushels 2 pecks.

4. How many inches in 14 feet? 1 yard? 1 yard 1 foot 1 yards? 1 yard 11⁄2 feet?

5. How many feet in 1 yards? 1 rod? 2 rods 1 yard? 2 rods 33 yards?

6. One-half of 5 quarts equals

pint. feet

quarts

yards

....

7. One-half of 3 yards 1 foot equals
8. One-half of 5 yards equals .... feet.
9. One-half of 1 rod equals .... feet
of 14 days equals
10. One-half

11. One-third of 14 days equals
12. One-half

of 14 days equals

13. One-fourth of 14 days equals
14. One-fourth of 14 days equals

15. One-third of 14 days equals

16. Multiply 5

.

.. inches.

... hours.

hours.

hours.

hours.

hours.

hours.

by 2, 3, and 4, and add the products. 17. Multiply 5 by 2, 3, and 4, and add the products. 18. Multiply 4 by 2, 3, and 4, and add the products. 19. Multiply 64 by 2, 3, and 4, and add the products. 20. Multiply 6 by 2, 3, and 4, and add the products. 21. Multiply 5 by 2, 3, and 4, and add the products. 22. Multiply 34 by 2, 3, and 4, and add the products.

Multiply 51 by 2, 3, and 4, and add the products.

1. How many square inches in the surface of a 1-inch cube? 2-inch cube? 3-inch cube? 4-inch cube? 5-inch cube?

2. How many 1-inch cubes in a 2-inch cube? How many, if the 2-inch cube is doubled in length? If it is doubled in length and width?

3. How many 1-inch cubes in a 3-inch cube? How many, if the 3-inch cube is doubled in length? If it is doubled in length and width?

4. A crayon-box is 4 inches by 4 inches by 6 inches. How many square inches on each end? How many on each side? How many on the top? On the bottom? What is the whole surface of the box?

5. How many 1-inch cubes will make a pile the size and shape of the box?

6. Cord-wood is 4 feet long. It is laid in piles 4 feet high, and 8 feet long. Such a pile is called a cord. How many square feet on each end of a cord? On each side of a cord? On the top? On the bottom?

7. How many 1-foot cubes in a cord?

8. How many cords of 4-foot wood in a pile 4 feet high and 8 feet long? In a pile 4 feet high and 16 feet long? 4 feet high and 4 feet long? 4 feet high and 12 feet long? 4 feet high and 24 feet long?

9. How many cubic feet in 50 per cent of a cord of wood? In 25 per cent of a cord of wood?

10. A common brick is 2 inches by 4 inches by 8 inches. Find the cubic inches in it.

11. What is the surface of a common brick?

12. Draw a rectangle 3 inches by 4 inches. Draw another having the same surface, 2 inches wide.

13. Draw a rectangle 4 inches by 6 inches. Draw another having the same surface, 3 inches wide.