REVIEW.

WRITTEN EXERCISES.

1. Add seven hundred forty-three thousandths; seven hundredths; five, and sixteen ten-thousandths.

2. Add eighty-seven, and twenty-nine hundredths; seventy-three, and forty-seven thousandths; three thousand five, and one hundred six ten-thousandths; twentyeight and three hundredths, oné and five thousandths. to the decimal form.

3. Change 5

4. Change denominator.

and 13 to decimals having a common

5. From 100 subtract 101 thousandths.

6. From eighteen, and three hundred sixty-five thousandths, take eighteen hundred sixty-five ten-thousandths.

7. Change .68 to an equivalent common fraction.

8. Change 5.25 to an equivalent common fraction.

9. Multiply one hundred and thirty-seven hundredths by nine tenths.

10. What common fraction is equal to the sum of .125 and .525 ?

11. Multiply .0235 by 8.08.

12. Divide .0625 by 2.5.

13. At $1.25 a pair, how many pairs of shoes can be bought with $45?

14. If an acre produces 16.25 bushels of wheat, how much will 3.05 acres produce?

15. If $18.5625 is paid for 148.5 yards of calico, how much is paid per yard?

16. If 3.5 cords of wood cost $22.4, how much will 4.25 cords cost?

17. If 9 bushels of wheat are worth $19.35, what are 10.6 bushels worth?

18. If 17 bushels of corn cost $16.32, what will 15.75 bushels cost?

19. If of a cord of wood cost $2.85, what will .75 of a cord cost?

20. If .75 of a pound of tea cost $0.54, what will 43 pounds cost?

21. If 4.5 pounds of butter are worth $1.44, what will 11 pounds cost?

REVIEW QUESTIONS.

85. What is a fraction?

99. What are terms of a fraction?

92. What is the value of a fraction?

88. What is a common fraction? 124. What is a decimal fraction? 125. What is the denominator of a decimal ?

90. What is a mixed number? 96. How may a mixed number be reduced to an improper fraction? 89. How may an integer be expressed in a fractional form?

104. How

103. When have fractions a common denominator? may fractions be reduced to fractions having a common denominator? 127. How may decimals be reduced to decimals having a common denominator?

132. 1. How can the length of a house be found? How can the distance between two points be found?

2. How would you express the extent of a field? How would you express the space in a room?

3. How would you tell how much water there may be in a bucket? How would you tell how much there may be of a quantity of sugar?

133. Common Weights and Measures, or those in general use in the United States, are given in the following tables.

MEASURES OF LENGTHS.

134. Linear or Length Measures are those used in measuring lines and distances.

4. How many inches in 2 feet? In 7 feet? In 9 feet?

5. How many feet in 4 yards? In 6 yards? In 11 yards?

6. How many yards in 2 rods?

7. How many yards in 18 feet?

8. How many rods in 11 yards ?

In 4 rods?

In 30 feet?

Solution. -As in 1 rod there are 5 yards, or 11 half-yards, in 11 yards, or 22 half-yards, there are as many rods as 11 half-yards are times in 22 half-yards, which are 2. There are 2 rods in 11 yards.

9. How many rods in 22 yards? In 33 yards?

10. How many inches in 2 feet 6 inches? In 1 yard 2 feet?

11. How many feet in 30 inches? How many yards in 60 inches?

MEASURES OF SURFACES.

135. A Square is a plane figure having four equal straight sides and four equal corners or angles.

136. Square Measures are those used in measuring surfaces.

TABLE.

144 square inches (sq. in.) are 1 square foot, sq. ft.

12. How many square inches in 1 square foot?

13. How many square feet in 5 square yards?

14. How many square yards in 1 square rod? In 4 square rods?

15. How many square rods in 1 acre? In of an acre ?

16. How many square yards in 72 square feet?

17. How many square rods in 121 square yards?

18. At $50 an acre what will 80 square rods of land cost?