Recall and use addition and subtraction facts to 20 fluently, and derive and use related facts up to 100
| 1. | True or False? 2+8 = 8+2 | |
| 2. | Number Detectives: 9 + 5 = ? | |
| 3. | Word Wise: 5 more than 4 | |
| 4. | Word Wise: 5 more than 8 | |
| 5. | Is the answer...?: Click all boxes with answer 8. | |
| 6. | Is the answer...?: Click all boxes with answer 12 | |
| 7. | Is the answer...?: Click all boxes with answer 14 | |
| 8. | Is the answer...?: Click all boxes with answer 11 | |
| 9. | Is the answer...?: Click all boxes with answer 15 | |
| 10. | Is the answer...?: Click all boxes with answer 13 | |
| 11. | Word Wise: The total of 8 and 11 | |
| 12. | Word Wise: 12 more than 5 | |
| 13. | Word Wise: 15 added to 6 | |
| 14. | Word Wise: 11 plus 9 | |
| 15. | True or False?: 18 + 2 = 20 | |
| 16. | Use the Pattern: 4 + 9, + 10, + 11 | |
| 17. | Use the Pattern: 5 + 9, + 10, + 11 | |
| 18. | Use the Pattern: 6 + 9, + 10, + 11 | |
| 19. | Use the Pattern: 7 + 9, + 10, + 11 | |
| 20. | Use the Pattern: 8 + 9, + 10, + 11 | |
| 21. | True or False?: 8 + 8 = 16 | |
| 22. | True or False?: 15 + 5 = 20 | |
| 23. | True or False?: 7 + 9 = 16 | |
| 24. | True or False?: 13 + 1 = 1 + 13 | |
| 25. | True or False?: 16 + 4 = 20 | |
| 26. | True or False: 10+9=19 | |
| 27. | True or False: 9+6=15 | |
| 28. | Subtraction chain 8 - 4 = 4, 4 - 2 = ? | |
| 29. | Subtraction chain 7 - 2 = 5, 5 - 2 = ? | |
| 30. | Subtraction chain 9 - 3 = 6, 6 - 2 = ? | |
| 31. | Subtraction chain 6 - 3 = 3, 3 - 1 = ? | |
| 32. | Subtraction chain 8 - 2 = 6, 6 - 1 = ? | |
| 33. | Happy Landings 7 less than 10 | |
| 34. | Happy Landings Take 4 from 9 | |
| 35. | Happy Landings 8 Take away 4 | |
| 36. | Subtraction chain 9 - 1 = 8, 8 - 2 = ? | |
| 37. | Subtraction chain 8 - 3 = 5, 5 - 2 = ? | |
| 38. | Subtraction chain 6 - 2 = 4, 4 - 2 = ? | |
| 39. | Subtraction chain 7 - 3 = 4, 4 - 1 = ? | |
| 40. | Subtraction chain 9 - 2 = 7, 7 - 3 = ? | |
| 41. | Number detectives: 14 - 6 = ? | |
| 42. | Number detectives: 15 - 9 = ? | |
| 43. | Number detectives: 11 - 8 = ? | |
| 44. | Number detectives: 13 - 5 = ? | |
| 45. | Number detectives: 15 - 13 = ? | |
| 46. | Word Wise: Subtract 14 from 20 | |
| 47. | Word Wise: Subtract 5 from 19 | |
| 48. | Word Wise: Subtract 4 from 17 | |
| 49. | Word Wise: Subtract 9 from 20 | |
| 50. | Word Wise: 17 take away 6 | |
| 51. | Word Wise: 19 take away 9 | |
| 52. | Word Wise: 20 take away 11 | |
| 53. | Word Wise: 14 take away 6 | |
| 54. | Word Wise: 11 less than 19 | |
| 55. | Word Wise: 13 less than 20 | |
| 56. | Word Wise: 11 less than 16 | |
| 57. | Word Wise!: Subtract 13 from 20 | |
| 58. | Word Wise!: Subtract 15 from 20 | |
| 59. | Word Wise!: Subtract 8 from 20 | |
| 60. | Word Wise!: Subtract 11 from 20 | |
| 61. | Word Wise!: Subtract 17 from 20 | |
| 62. | Word Wise!: Subtract 5 from 20 | |
| 63. | Word Wise!: 12 minus 7 | |
| 64. | Word Wise!: 20 take away 7 | |
| 65. | Word Wise!: 3 less than 20 | |
| 66. | Word Wise!: 10 less than 20 | |
| 67. | Taking tens: 40 - 30 = ? | |
| 68. | Taking tens: 50 - 20 = ? | |
| 69. | Taking tens: 80 - 40 = ? | |
| 70. | Taking tens: 70 - 10 = ? | |
| 71. | Taking tens: 70 - 40 = ? | |
| 72. | Taking tens: 40 - 30 = ? | |
| 73. | True or False?: 12 - 6 = 6 | |
| 74. | True or False?: 9 - 4 = 5 | |
| 75. | True or False?: 17 - 2 = 15 | |
| 76. | Subtraction Chain - 27-20-13 | |
| 77. | Subtract 8 (from 16, 15, 12) | |
| 78. | Subtract 6 (from 12, 11, 13) | |
| 79. | Subtract 5 (from 14, 11, 8) | |
| 80. | Subtract 7 (from 14, 16, 11) | |
| 81. | Subtract 4 (from 10, 12, 8) | |
| 82. | True or False?: 16 - 8 = 8 | |
| 83. | True or False?: 16 - 9 = 7 | |
| 84. | Subtract 8 from 17, 13 & 11 | |
| 85. | Subtract 6 from 13, 15 & 11 | |
| 86. | Build A Total - number sequence, 15 | |
| 87. | Build A Total - number sequence, 11 | |
| 88. | Number Quest - find 1 number to complete 2 number sentences | |
| 89. | Sign Scramble - complete 2 number sentences using given numbers | |
| 90. | Card Games - B2 + B4 | |
| 91. | Card Games - B5 + B1 | |
| 92. | Card Games - R1 + R5 | |
| 93. | Card Games - R5 + B1 | |
| 94. | Red Blocks 10 - 4 | |
| 95. | Red Blocks 10 - 1 | |
| 96. | Red Blocks 10 - 2 | |
| 97. | Card Tricks: Red 9 + Black 6 | |
| 98. | Card Tricks: Red 8 + Black 7 |