Chapter 2 and 3: Addition and Subtraction (Mathematics Around Us) by Nur Khairin

Example (Contributor: Mdm Khairin)

khairin1 — 2024-02-21 05:56:33 UTC

Present it on a whiteboard or a piece of paper. Indicate your name in the title.

khairin1 — 2024-02-21 05:56:59 UTC

Contributor: Mdm Khairin

2024-02-21 06:02:24 UTC

3 + 2 = 5

Mdm Khairin

2024-02-29 01:52:47 UTC

4 - 1 = 3

Rachel 20

2024-02-29 07:17:22 UTC

Anson

8vncgjh4pf — 2024-02-29 08:28:58 UTC

Anson

8vncgjh4pf — 2024-02-29 08:29:51 UTC

Anson

8vncgjh4pf — 2024-02-29 08:30:41 UTC

5+4=9

2024-02-29 09:42:44 UTC

5-1=4

2024-02-29 09:45:08 UTC

5+4=9

2024-02-29 09:49:52 UTC

2024-02-29 09:55:16 UTC

Leon 14

2024-02-29 10:07:57 UTC

Leon 14

2024-02-29 10:10:53 UTC

Leon 14

2024-02-29 10:23:55 UTC

Ashlyn 3

2024-02-29 11:39:54 UTC

4+3=7

Ashlyn 3

2024-02-29 11:41:56 UTC

7-2=5

Ashlyn 3

2024-02-29 11:49:20 UTC

Carina 15

2024-02-29 12:17:02 UTC

3 + 2 = 5

Carina 15

2024-02-29 12:21:16 UTC

5 - 1 = 4

Carina 15

2024-02-29 12:25:18 UTC

2024-02-29 12:47:36 UTC

Sophia

2024-02-29 12:49:02 UTC

3 + 3 = 6

Hayden

2024-02-29 12:49:39 UTC

5 - 1 = 4

Sophia

2024-02-29 12:52:13 UTC

3 - 2 = 1

Hayden

2024-02-29 12:52:23 UTC

3 + 1 = 4

Hayden

2024-02-29 12:56:34 UTC

Amanda Ng

2024-02-29 13:04:32 UTC

4+3=7

Amanda Ng

2024-02-29 13:07:14 UTC

10-9=1

Amanda Ng

2024-02-29 13:12:48 UTC

2024-02-29 13:26:42 UTC

2+2=4

2024-02-29 22:20:22 UTC

1+1+1=3

2024-03-01 06:34:21 UTC

1+2=3 2+1=3 3-1=2 3-2=1

2024-03-01 06:37:15 UTC

172-41=131

2024-03-01 06:41:25 UTC

Rachel 20

2024-03-01 07:19:48 UTC

4+2=6

Rachel 20

2024-03-01 07:22:34 UTC

6-1=5

Rachel 20

2024-03-01 07:24:16 UTC

Zephyr

2024-03-01 07:27:14 UTC

2+3=5

Zephyr

2024-03-01 07:30:05 UTC

5-2=3

Zephyr

2024-03-01 07:48:59 UTC

5-1=4

2024-03-01 09:04:41 UTC

Victricia 27

2024-03-01 09:06:02 UTC

Victricia 27

2024-03-01 09:09:56 UTC

Noah

2024-03-01 09:11:48 UTC

Noah

2024-03-01 09:12:58 UTC

Noah

2024-03-01 09:19:08 UTC

Victricia 27

2024-03-01 09:19:33 UTC

Victricia 27

2024-03-01 09:20:54 UTC

Ryan Tay

2024-03-01 12:24:35 UTC

Sophia 5

2024-03-01 12:34:30 UTC

3+2=5

2024-03-01 15:08:00 UTC

4-1=3

2024-03-01 15:15:40 UTC

2024-03-01 15:25:13 UTC

Karen Loh

2024-03-02 02:24:38 UTC

3 + 5 = 8

Karen Loh

2024-03-02 02:25:17 UTC

8 - 4 = 4

Karen Loh

2024-03-02 02:26:05 UTC

Azalea (4)

2024-03-02 03:43:15 UTC

Azalea (4)

2024-03-02 03:45:26 UTC

2024-03-02 06:34:06 UTC

Hongzhang

2024-03-02 06:34:44 UTC

Hongzhang

2024-03-02 07:02:23 UTC

4+3=7

2024-03-02 07:07:55 UTC

4+3=7

2024-03-02 07:10:47 UTC

7-2=5

qyzhaohong — 2024-03-02 07:17:00 UTC

7-2=5

qyzhaohong — 2024-03-02 07:18:28 UTC

2024-03-02 14:33:05 UTC

2024-03-02 14:34:29 UTC

2024-03-02 14:35:53 UTC

Zhu Yi Dan

2024-03-03 03:52:48 UTC

Yu En 26

2024-03-03 08:41:32 UTC

3 + 2 = 5

Yu En

2024-03-03 08:42:40 UTC

3 + 2 = 5

Yu En

2024-03-03 08:43:49 UTC

5 - 1 = 4

2024-03-03 09:22:18 UTC

Quinton : 7+7=14

Quinton Chung

2024-03-03 09:26:12 UTC

7-2=5

3+3=6

2024-03-03 09:35:29 UTC

Quinton Chung

2024-03-03 09:39:37 UTC

3+3 =6.

2024-03-03 09:39:50 UTC

3+3= 6 Ethan 9

2024-03-03 13:26:22 UTC

3 + 4 = 7

2024-03-03 13:27:05 UTC

3 + 4 = 7

2024-03-03 13:30:17 UTC

3 - 2 = 1

2024-03-03 13:35:13 UTC