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
