Index

1. Our Nature Study Club
A 10. Subtraction Race
100. Finding a Common Denominator
101. Using Fractions
102. Finding the Least Common Denominator
103. A Rule for Finding Common Denominators
104. Exercisers in Finding Common Denominators
105. Improvement Test Number 5
106. Magic Squares with Fractions
107. Making Magic Squares
108. Mixed Practice
109. Diagnostic Test
11. Practice in Subtraction
110. Problem Test B1
111. Dick Tells a Secret about the Number 9
112. Dick's Other Tests of Divisibility
113. A New Way To Reduce Fractions
114. Reducing Fractions in Long Division
115. Addition and Subtraction
116. Multiplying a Fraction by a Whole Number
117. Riding to School
118. Multiplying a Whole Number by a Fraction
119. Multiplying a Whole Number by a Fraction
12. On a Fruit Farm
120. Advertising in a School Paper
121. Multiplying by a Mixed Number
122. Mrs. King Goes Shopping
123. Watching the Number 1
124. Problems of the School Lunchroom
125. Problem Test B2
126. Taking an Improvement Test in Fractions
127. Improvement Test Number 6
128. Multiplying a Fraction by a Fraction
129. Problems
13. How We Make Change
130. Saving Time in Multiplying Fractions
131. Graded Exercises
132. The Number 1 Plays Hide and Seek
133. Harder Work in Multiplying Fractions
134. Changing Mixed Numbers in Fractions
135. Multiplying Mixed Numbers
136. Multiplying Mixed Numbers
137. Diagnostic Test
138. Problem Test B3
139. Improvement Test Number 7
14. Making Change
140. Making Candy
141. Winter Sports
142. Diagnostic Test
143. Multiplication and Division
144. Review of Fractions
15. Two-Step Problems
16. How To Improve Your Skill in Computing
17. Improvement Test Number 1
18. How To Take an Improvement Test
19. Finding Your Score in an Improvement Test
2. Ted's Account Book
20. Graphs of Records in Improvement Tests
The 21. 100 Multiplication Combinations
22. Buying Things for the School Store
23. Practice in Multiplication
24. Another Way To Check Multiplication
25. Taking Care of 0's in Multiplication
26. Saving Time in Multiplication
27. Mrs. Fiske's Candy Shop
The 28. 90 Division Combinations
29. Getting Ready for Short Division
3. Ted Checks His Addition
30. Uneven Division Combinations
31. Buying Remnants
32. Practice in Short Division
33. Improvement Test Number 2
34. Diagnostic Test
35. Mixed Practice
36. Can You Do These Problems?
37. Problem Test A1
38. Long Division
39. Traveling at Different Speeds
4. Anna's Cash Book
40. Long Division
41. Drill in Long Division
42. Quotients That Contains Zeros
43. Buying in Large Quantities
44. Drill in Long Division
45. Store Problems
46. Divisors of Three Figures
47. Watching Zeros in the Quotient
48. Divisors of Three Figures
49. Practice in Long Division
5. Column Addition
50. Diagnostic Test — Long Division
51. Improvement Test Number 3
52. Problems
53. Working Problems Mentally
54. Testing Answers
55. Finding Averages
56. Problems without Numbers
57. Are You a Good Thinker?
58. Mixed Practice
59. Problem Test A2
6. Drill in Addition
60. Learning What Numbers Mean
61. Reading Roman Numerals
62. Fractions
63. Finding Parts of a Group of Things
64. Bargains at the Toy Shop
65. Can You Divide 3 Apples among 4 Boys?
66. Four Ways of Expressing Division
67. Proper and Improper Fractions
68. Reducing Improper Fractions
69. Adding Fractions with the Same Name
7. Column Addition
70. What Billy Did at Camp
71. Comparing Halves and Fourths
72. Comparing Halves, Fourths, and Eighths
73. Reducing Fractions to Lowest Terms
74. Betty Shops for Her Dogs
75. Ordering by Mail
76. A Quick Way To Change 1/2 to 4/8
77. Adding Fractions with Different Denominators
78. How Large Are These Orchards
79. Diagnostic Test
The 8. Expenses of a Toy Store
80. Catching Very Large Fish
81. Mixed Practice
82. Problem Test A3
83. Improvement Test Number 4
84. Subtracting Fractions with the Same Name
85. How Heavy Are Your Schoolbooks?
86. Changing Money
87. Games with Fractions
88. A Class Party
89. Comparing Weights
9. Answering Questions by Subtracting
90. Problems and Practice
91. Diagnostic Test
92. Halves, Thirds, and Sixths
93. Adding Halves, Thirds, and Sixths
94. Comparing Records in Jumping
95. Halves, Fifths, and Tenths
96. A Relay Race
97. Halves, Fifths, and Tenths
98. Problems without Numbers
99. Area and Population of the United States
Answers