Sign In CGP – part 2 – Addition & Subtraction 11-20
About Course
Activities of the CGP program – Addition and Subtraction 11 – 20
Course content
45 Lessons
Math genius activities
26. Knowing numbers up to 204:18
26. Knowing numbers up to 20
4:18
27. Knowing numbers up to 20 using number line00:00:00
27. Knowing numbers up to 20 using number line
00:00:00
28. Smaller number 11 – 203:05
28. Smaller number 11 – 20
3:05
29. Bigger number 11 – 2000:00:00
29. Bigger number 11 – 20
00:00:00
30. Adding a 1-digit number to 105:05
30. Adding a 1-digit number to 10
5:05
31. Doubles Doubles2:51
31. Doubles Doubles
2:51
32. Add 1,2,3 to 11-20 – part 110:24
32. Add 1,2,3 to 11-20 – part 1
10:24
33. Add 1,2,3 to 11-20 – part 210:24
33. Add 1,2,3 to 11-20 – part 2
10:24
34. Friends of 206:01
34. Friends of 20
6:01
35. Add up to 20 – doubles, friends of 20 & 1, 2 & 3 combined17:43
35. Add up to 20 – doubles, friends of 20 & 1, 2 & 3 combined
17:43
36. Add 4-9 to 11-20 adding up to 207:06
36. Add 4-9 to 11-20 adding up to 20
7:06
37. Use doubles to add special pairs up to 2000:00:00
37. Use doubles to add special pairs up to 20
00:00:00
38, Add to 900:00:00
38, Add to 9
00:00:00
39. Add to 800:00:00
39. Add to 8
00:00:00
40. Add to 8 or 900:00:00
40. Add to 8 or 9
00:00:00
41. Add to 6 or 700:00:00
41. Add to 6 or 7
00:00:00
42, Add to 2, 3, 4 or 500:00:00
42, Add to 2, 3, 4 or 5
00:00:00
43. Add single digits adding up to more than 10 – part 100:00:00
43. Add single digits adding up to more than 10 – part 1
00:00:00
44. Add single digits adding up to more than 10 – part 200:00:00
44. Add single digits adding up to more than 10 – part 2
00:00:00
45. Add Single digits – all combinations00:00:00
45. Add Single digits – all combinations
00:00:00
46. Review – Knowing numbers up to 20
46. Review – Knowing numbers up to 20
47. Review – Doubles & Friends of 20
47. Review – Doubles & Friends of 20
48. Review – Add to 8 or 9
48. Review – Add to 8 or 9
49. Review – Add single digits-all combinations
49. Review – Add single digits-all combinations
50. Review previous activities
50. Review previous activities
51. Are you still superfast at 1-digit subtraction00:00:00
51. Are you still superfast at 1-digit subtraction
00:00:00
52. Subtraction numbers 11-20 by 1000:00:00
52. Subtraction numbers 11-20 by 10
00:00:00
53. Subtraction a number from its double00:00:00
53. Subtraction a number from its double
00:00:00
54. Subtract a 20’s friend from 2000:00:00
54. Subtract a 20’s friend from 20
00:00:00
55. Subtract by 1, 2 or 300:00:00
55. Subtract by 1, 2 or 3
00:00:00
56. Subtract lower 1-digit from 11-2000:00:00
56. Subtract lower 1-digit from 11-20
00:00:00
57. Subtract from 11 – day 100:00:00
57. Subtract from 11 – day 1
00:00:00
58. Subtract from 11 – day 200:00:00
58. Subtract from 11 – day 2
00:00:00
59. Subtract from 1200:00:00
59. Subtract from 12
00:00:00
60. Subtract from 1300:00:00
60. Subtract from 13
00:00:00
61. Subtract from 14 or 1500:00:00
61. Subtract from 14 or 15
00:00:00
62. Subtract from 16, 17, 18, 19 or 2000:00:00
62. Subtract from 16, 17, 18, 19 or 20
00:00:00
63. Subtract higher 1-digit from 11-20 – part 100:00:00
63. Subtract higher 1-digit from 11-20 – part 1
00:00:00
64. Subtract higher 1-digit from 11-20 – part 200:00:00
64. Subtract higher 1-digit from 11-20 – part 2
00:00:00
65. Subtract any number from 11 – 2000:00:00
65. Subtract any number from 11 – 20
00:00:00
66. Review – Subtract 20’s friend from 20
66. Review – Subtract 20’s friend from 20
67. Review – Subtract from 11, 12 or 13
67. Review – Subtract from 11, 12 or 13
68. Review – Subtract from 14, 15, 16, 17, 18, 19 or 20
68. Review – Subtract from 14, 15, 16, 17, 18, 19 or 20
69. Review – Subtract higher 1-digit from 11-20
69. Review – Subtract higher 1-digit from 11-20
70. Review previous activities
70. Review previous activities
New activities
