Step 4
Difficulty 4
| 1. | T/F Double-sided equations | |
| 2. | T/F Double-sided equations | |
| 3. | T/F Double-sided equations | |
| 4. | T/F Double-sided equations | |
| 5. | T/F Double-sided equations | |
| 6. | Detective Duck: Add 4 clustered numbers | |
| 7. | Detective Duck: Add 4 clustered numbers | |
| 8. | Detective Duck: Add 4 clustered numbers | |
| 9. | Detective Duck: Add 4 clustered numbers | |
| 10. | Detective Duck: Add 4 clustered numbers | |
| 11. | When in Rome: Addition of Roman numerals | |
| 12. | When in Rome: Addition of Roman numerals | |
| 13. | When in Rome: Addition of Roman numerals | |
| 14. | When in Rome: Addition of Roman numerals | |
| 15. | When in Rome: Addition of Roman numerals | |
| 16. | Make 29: 282 + -184 + * | |
| 17. | Make 180: 369 + -75 + * | |
| 18. | Make 126: 34+81 + * | |
| 19. | Make 79: 104 + -53 + * | |
| 20. | Make 115: -26 + 180 + * | |
| 21. | Add 3 numbers: 106 + 24 + -6 | |
| 22. | Add 3 numbers: -72 + 203 + -16 | |
| 23. | Add 3 numbers: -58 + -245 + 10 | |
| 24. | Add 3 numbers: -158 + 101 + 69 | |
| 25. | Add 3 numbers: -36 + -72 + 17 | |
| 26. | Four's no chore: Add 4 clustered numbers | |
| 27. | Four's no chore: Add 4 clustered numbers | |
| 28. | Four's no chore: Add 4 clustered numbers | |
| 29. | Four's no chore: Add 4 clustered numbers | |
| 30. | Four's no chore: Add 4 clustered numbers | |
| 31. | Adding the big ones: Write missing numbers in vertical addition | |
| 32. | Adding the big ones: Write missing numbers in vertical addition | |
| 33. | Adding the big ones: Write missing numbers in vertical addition | |
| 34. | Adding the big ones: Write missing numbers in vertical addition | |
| 35. | Adding the big ones: Write missing numbers in vertical addition | |
| 36. | When in Rome: Subtraction of Roman numerals | |
| 37. | When in Rome: Subtraction of Roman numerals | |
| 38. | When in Rome: Subtraction of Roman numerals | |
| 39. | When in Rome: Subtraction of Roman numerals | |
| 40. | When in Rome: Subtraction of Roman numerals | |
| 41. | T/F 10.9-(-4.6)=6.3 | |
| 42. | T/F 11.7+(-6.9)=4.7 | |
| 43. | T/F 8745-3690=5055 | |
| 44. | T/F 4917-2380=2637 | |
| 45. | Find the Mystery Number 176- * =-190 | |
| 46. | Find the Mystery Number 384- * =407 | |
| 47. | Find the Mystery Number -769- * =-732 | |
| 48. | Find the Mystery Number 245- * =263 | |
| 49. | Same or Different: Click all the boxes where the answer is <1 | |
| 50. | Same or Different: Click all the boxes where the answer is <1 | |
| 51. | Same or Different: Click all the boxes where the answer is <1 | |
| 52. | Same or Different: Click all the boxes where the answer is <1 | |
| 53. | Same or Different: Click all the boxes where the answer is <1 | |
| 54. | Put a number on the yellow box -41.5+23.7+ * =-14.4 | |
| 55. | Put a number on the yellow box -26.7+-15.9+ * =-17.5 | |
| 56. | Put a number on the yellow box -17.6+-11.9+ * =26.2 | |
| 57. | Put a number on the yellow box -10.5+-18.9+ * =12.8 | |
| 58. | T/F 418-384=22+12 | |
| 59. | T/F 568-519=23+26 | |
| 60. | T/F 882-831=36+16 | |
| 61. | T/F 19+14=278-245 | |
| 62. | Time travels: Calculate dates BC | |
| 63. | Spot the Difference: Calculate the difference between number pairs incl negative integers | |
| 64. | Spot the Difference: Calculate the difference between number pairs incl negative integers | |
| 65. | Spot the Difference: Calculate the difference between number pairs incl negative integers | |
| 66. | Spot the Difference: Calculate the difference between number pairs incl negative integers | |
| 67. | Spot the Difference: Calculate the difference between number pairs incl negative integers | |
| 68. | Spot the Difference: Calculate the difference between number pairs incl negative integers | |
| 69. | Spot the Difference: Calculate the difference between number pairs incl negative integers | |
| 70. | Spot the Difference: Calculate the difference between number pairs incl negative integers | |
| 71. | Find the Power 4.18x10(5)-7x10(3)= * x10(5) | |
| 72. | Find the Power 5.63x10(4)-2x10(2)= * x10(4) | |
| 73. | Find the Power 9.24x10(7)-6x10(5)= * x10(6) | |
| 74. | Find the Power 6.47x10(6)-5x10(4)= * x10(6) |