Add and subtract one-digit and two-digit numbers to 20, including zero
| 1. | Happy Landings! 2 less than 10 | |
| 2. | Up We Go! 2 more than 5 | |
| 3. | Up We Go! 3 more than 7 | |
| 4. | Up We Go! 2 more than 7 | |
| 5. | Up We Go! Start at 0. Climb up 4 | |
| 6. | Happy Landings! Start at 10. Climb down 2 | |
| 7. | Here is the Number! 4 + 1, 4 + 10 | |
| 8. | Here is the Number! 1 + 1, 1 + 10 | |
| 9. | Here is the Number! 2 + 1, 2 + 10 | |
| 10. | Here is the Number! 3 + 1, 3 + 10 | |
| 11. | Here is the Number! 5 + 1, 5 + 10 | |
| 12. | Here is the Number! 6 + 1, 6 + 10 | |
| 13. | Here is the Number! 7 + 1, 7 + 10 | |
| 14. | Here is the Number! 8 + 1, 8 + 10 | |
| 15. | Here is the Number! 9 + 1, 9 + 10 | |
| 16. | 2 less, 2 more than 4 | |
| 17. | 2 less, 2 more than 12 | |
| 18. | 2 less, 2 more than 16 | |
| 19. | 2 less, 2 more than 9 | |
| 20. | 2 less, 2 more than 11 | |
| 21. | 2 less, 2 more than 15 | |
| 22. | 2 less, 2 more than 13 | |
| 23. | Which number is 10 more than 2? | |
| 24. | How Many? 3 + 2 | |
| 25. | Party Time 2 girls + 2 boys = ? altogether | |
| 26. | Party Time 3 + 2 | |
| 27. | Who's been baking cakes? 3 + 2 | |
| 28. | Who's been baking cakes? 4 + 1 | |
| 29. | Who's been baking cakes? 2 + 2 | |
| 30. | Who's been baking cakes? 3 + 1 | |
| 31. | Up we go - Start at 1. Add 2 more. | |
| 32. | Up we go - Start at 3. Add 2 more. | |
| 33. | Up we go - Start at 2. Add 3 more. | |
| 34. | Up we go - Start at 1. Add 3 more. | |
| 35. | Up we go - Start at 1. Add 4 more. | |
| 36. | 2 clowns, add 2 more | |
| 37. | Adding Blocks 4 + 1 | |
| 38. | Five little ducks 2 + 2 | |
| 39. | Five little ducks 2 + 3 | |
| 40. | Five little ducks 1 + 2 | |
| 41. | Five little ducks 1 + 4 | |
| 42. | Five little ducks 1 + 1 | |
| 43. | Butterflies 3 + 2 | |
| 44. | Up we go - Start at 0. Add 3 more. | |
| 45. | Up we go - Start at 3. Add 0 | |
| 46. | Up we go - Start at 0. Add 5 more. | |
| 47. | Up we go - Start at 1. Add 3 more. | |
| 48. | Card games R4 + B1 | |
| 49. | Butterflies 2 + 3 | |
| 50. | Butterflies 2 + 2 | |
| 51. | Butterflies 5 + 0 | |
| 52. | Adding Blocks: 4 + 2 | |
| 53. | Here are 4 butterflies. Add 2 more. | |
| 54. | Card Games - R1 + B5 | |
| 55. | Up, Down, Flying Around: 5 add 2 | |
| 56. | Up, Down, Flying Around: 4 add 3 | |
| 57. | Up, Down, Flying Around: 3 add 4 | |
| 58. | Up, Down, Flying Around: 2 add 4 | |
| 59. | Up, Down, Flying Around: 3 add 3 | |
| 60. | Up We Go - Start at 3. Add 4 more. | |
| 61. | Up We Go - Start at 2. Add 4 more. | |
| 62. | Up We Go - Start at 6. Add 2 more. | |
| 63. | Up We Go - Start at 5. Add 2 more. | |
| 64. | Bring a Block 4 + 4 = ? | |
| 65. | Who's been baking cakes? 5 + 3 = ? | |
| 66. | Who's been baking cakes? 4 + 4 = ? | |
| 67. | Who's been baking cakes? 2 + 6 = ? | |
| 68. | Who's been baking cakes? 8 + 0 = ? | |
| 69. | Up we go - What is 2 more than 1? | |
| 70. | Up we go - What is 5 plus 3? | |
| 71. | Up we go - What is 1 more than 8? | |
| 72. | Up we go - What is 3 + 2? | |
| 73. | Up we go - 4 add 2 | |
| 74. | At the Zoo: 5 + 4 + 2 | |
| 75. | Addition chain: 4 + 1 = 5, 5 + 2 = ? | |
| 76. | Addition chain: 2 + 2 = 4, 4 + 1 = ? | |
| 77. | Addition chain: 3 + 2 = 5, 5 + 1 = ? | |
| 78. | Which number is 10 more than 4? | |
| 79. | Which number is 10 more than 5? | |
| 80. | Which number is 10 more than 2? | |
| 81. | Which number is 10 more than 6? | |
| 82. | Which number is 10 more than 1? | |
| 83. | Teens zone: 4 more than 9 | |
| 84. | Teens zone: 3 more than 9 | |
| 85. | Teens zone: 6 more than 5 | |
| 86. | Teens zone: 7 more than 8 | |
| 87. | Teens zone: 2 more than 9 | |
| 88. | Word Wise: The sum of 10 and 4 | |
| 89. | Word Wise: Add 1 and 12 | |
| 90. | Word Wise: Add 5 to 7 | |
| 91. | Word Wise: 7 plus 6 | |
| 92. | Word Wise: 8 plus 3 | |
| 93. | Word Wise: 7 plus 4 | |
| 94. | Number Detectives: 12 + 3 = ? | |
| 95. | Happy Landings: What is 2 less than 5? | |
| 96. | Happy Landings: What is 2 less than 3? | |
| 97. | Happy Landings: What is 3 less than 4? | |
| 98. | Happy Landings: What is 4 less than 5? | |
| 99. | Happy Landings 2 - 2 | |
| 100. | Happy Landings 5 - 4 | |
| 101. | Happy Landings 5 - 2 | |
| 102. | Happy Landings 3 - 3 | |
| 103. | Happy Landings 4 - 3 | |
| 104. | Dogs in kennels 4 - 4 = ? | |
| 105. | Dogs in kennels 4 - 1 = ? | |
| 106. | Dogs in kennels 4 - 3 = ? | |
| 107. | Dogs in kennels 4 - 2 = ? | |
| 108. | Happy Landings 5 - 3 | |
| 109. | Happy Landings 4 - 3 | |
| 110. | Happy Landings 6 - 3 | |
| 111. | Happy Landings 6 - 6 | |
| 112. | Dogs in kennels 3 - 2 = ? | |
| 113. | Frog swamp: 6 - 3 = ? | |
| 114. | Frog swamp: 6 - 5 = ? | |
| 115. | Frog swamp: 6 - 4 = ? | |
| 116. | Frog swamp: 6 - 6 = ? | |
| 117. | Frog swamp: 6 - 1 = ? | |
| 118. | Frog swamp: 6 - 2 = ? | |
| 119. | Happy Landings 7 minus 1 | |
| 120. | Happy Landings 7 minus 2 | |
| 121. | Happy Landings 7 minus 3 | |
| 122. | Happy Landings 7 minus 4 | |
| 123. | Happy Landings 6 minus 2 | |
| 124. | Happy Landings 6 minus 3 | |
| 125. | Happy Landings 6 minus 4 | |
| 126. | Happy Landings 6 minus 5 | |
| 127. | Happy Landings 5 minus 5 | |
| 128. | Happy Landings 6 - 3 | |
| 129. | Happy Landings 5 minus 3 | |
| 130. | Happy Landings 7 - 2 | |
| 131. | Happy Landings 4 - 3 | |
| 132. | Planes & clouds 8 - 6 | |
| 133. | Planes & clouds 8 - 7 | |
| 134. | Planes & clouds 8 - 8 | |
| 135. | Frog swamp: 8 - 1 = ? | |
| 136. | Frog swamp: 8 - 2 = ? | |
| 137. | Frog swamp: 8 - 3 = ? | |
| 138. | Happy landings 6 less than 10 | |
| 139. | Happy landings 9 take away 3 | |
| 140. | Happy Landings 9 minus 6 | |
| 141. | Happy landings 10 take away 2 | |
| 142. | Happy landings 9 less than 10 | |
| 143. | Red Blocks 4 - 1 | |
| 144. | Red Blocks 1 - 1 | |
| 145. | Red Blocks 2 - 1 | |
| 146. | Red Blocks 3 - 1 | |
| 147. | Red Blocks 5 - 1 | |
| 148. | Red Blocks 6 - 1 | |
| 149. | Red Blocks 7 - 1 | |
| 150. | Red Blocks 8 - 1 | |
| 151. | Red Blocks 9 - 1 | |
| 152. | Happy Landings 8 minus 5 | |
| 153. | Happy Landings 6 Take away 6 | |
| 154. | Word Wise: 6 less than 12 | |
| 155. | Card games R3 + R2 | |
| 156. | Card games R4 + R1 | |
| 157. | Card games R3 + R1 | |
| 158. | Card games R2 + B2 | |
| 159. | Card games R1 + B1 | |
| 160. | Card games R3 + B1 | |
| 161. | Card games R2 + B3 | |
| 162. | Card Games - R4 + R2 | |
| 163. | Card Games - R4 + B2 | |
| 164. | Card Games - R3 + B3 | |
| 165. | Card Games - R2 + B4 | |
| 166. | Adding Blocks: 3 + 3 | |
| 167. | Adding Blocks: 2 + 4 | |
| 168. | Adding Blocks: 1 + 5 | |
| 169. | Adding Blocks: 5 + 1 | |
| 170. | Adding Blocks 1 + 4 | |
| 171. | Adding Blocks 2 + 3 | |
| 172. | Adding Blocks 3 + 2 | |
| 173. | Planes & clouds 8 - 5 | |
| 174. | Bring a Block 5 + 3 = ? | |
| 175. | Bring a Block 4 + 3 = ? | |
| 176. | Bring a Block 2 + 5 = ? | |
| 177. | Bring a Block 5 + 1 = ? | |
| 178. | Birds flock together 3 + 2 = ? | |
| 179. | Birds flock together 6 + 2 = ? | |
| 180. | Birds flock together 1 + 7 = ? | |
| 181. | Birds flock together 4 + 4 = ? | |
| 182. | Birds flock together 5 + 3 = ? | |
| 183. | Red Blocks 10 - 3 | |
| 184. | Red Blocks 10 - 5 | |
| 185. | Red Blocks 10 - 6 | |
| 186. | Red Blocks 10 - 7 | |
| 187. | Red Blocks 10 - 8 | |
| 188. | Red Blocks 10 - 9 | |
| 189. | Cars Add Up | |
| 190. | Cars Add Up | |
| 191. | Cars Add Up | |
| 192. | Card Tricks: Red 4 + Black 9 | |
| 193. | Card Tricks: Red 3 + Black 7 | |
| 194. | Card Tricks: Red 6 + Black 5 |