B¶ng CỘNG 9 + 2 = 11 8 + 3 = 11 7 + 4 = 11 6 + 5 = 11 9 + 3 = 12 8 + 4 = 12 7 + 5 = 12 6 + 6 = 12 9 + 4 = 13 8 + 5 = 13 7 + 6 = 13 6 + 7 = 13 9 + 5 = 14 8 + 6 = 14 7 + 7 = 14 6 + 8 = 14 9 + 6 = 15 8 + 7 = 15 7 + 8 = 15 6 + 9 = 15 9 + 7 = 16 8 + 8 = 16 7 + 9 = 16 9 + 8 = 17 8 + 9 = 17 9 + 9 = 18 2 + 9 = 11 3 + 8 = 11 4 + 7 = 11 5 + 6 = 11 3 + 9 = 12 4 + 8 = 12 5 + 7 = 12 4 + 9 = 13 5 + 8 = 13 5 + 9 = 14 NGUYỄN BÁ PHÚC T r  ê n g T i Ó u h ä c A n T h ạ n h 1 B¶ng TRỪ 11 – 2 = 9 12 – 3 = 9 13 – 4 = 9 14 – 5 = 9 11 – 3 = 8 12 – 4 = 8 13 – 5 = 8 14 – 6 = 8 11 – 4 = 7 12 – 5 = 7 13 – 6 = 7 14 – 7 = 7 11 – 5 = 6 12 – 6 = 6 13 – 7 = 6 14 – 8 = 6 11 – 6 = 5 12 – 7 = 5 13 – 8 = 5 14 – 9 = 5 11 – 7 = 4 12 – 8 = 4 13 – 9 = 4 11 – 8 = 3 12 – 9 = 3 11 – 9 = 2 18 – 9 = 9 17 – 8 = 9 16 – 7 = 9 15 – 6 = 9 17 – 9 = 8 16 – 8 = 8 15 – 7 = 8 16 – 9 = 7 15 – 8 = 7 15 – 9 = 6 Trêng TiÓu häc An Thạnh 1 N G U Y Ễ N B Á P H Ú C B¶ng cöu ch¬ng nh©n 2 x 1 = 2 3 x 1 = 3 4 x 1 = 4 5 x 1 = 5 2 x 2 = 4 3 x 2 = 6 4 x 2 = 8 5 x 2 = 10 2 x 3 = 6 3 x 3 = 9 4 x 3 = 12 5 x 3 = 15 2 x 4 = 8 3 x 4 = 12 4 x 4 = 16 5 x 4 = 20 2 x 5 = 10 3 x 5 = 15 4 x 5 = 20 5 x 5 = 25 2 x 6 = 12 3 x 6 = 18 4 x 6 = 24 5 x 6 = 30 2 x 7 = 14 3 x 7 = 21 4 x 7 = 28 5 x 7 = 35 2 x 8 = 16 3 x 8 = 24 4 x 8 = 32 5 x 8 = 40 2 x 9 = 18 3 x 9 = 27 4 x 9 = 36 5 x 9 = 45 2 x 10 = 20 3 x 10 = 30 4 x 10 = 40 5 x 10 = 50 6 x 1 = 6 7 x 1 = 7 8 x 1 = 8 9 x 1 = 9 6 x 2 = 12 7 x 2 = 14 8 x 2 = 16 9 x 2 = 18 6 x 3 = 18 7 x 3 = 21 8 x 3 = 24 9 x 3 = 27 6 x 4 = 24 7 x 4 = 28 8 x 4 = 32 9 x 4 = 36 6 x 5 = 30 7 x 5 = 35 8 x 5 = 40 9 x 5 = 45 6 x 6 = 36 7 x 6 = 42 8 x 6 = 48 9 x 6 = 54 6 x 7 = 42 7 x 7 = 49 8 x 7 = 56 9 x 7 = 63 6 x 8 = 48 7 x 8 = 56 8 x 8 = 64 9 x 8 = 72 6 x 9 = 54 7 x 9 = 63 8 x 9 = 72 9 x 9 = 81 6 x 10 = 60 7 x 10 = 70 8 x 10 = 80 9 x 10 = 90 T r  ê n g T i Ó u h ä c A n T h ạ n h 1 NGUYỄN BÁ PHÚC B¶ng cöu ch¬ng chia 2 : 2 = 1 3 : 3 = 1 4 : 4 = 1 5 : 5 = 1 4 : 2 = 2 6 : 3 = 2 8 : 4 = 2 10 : 5 = 2 6 : 2 = 3 9 : 3 = 3 12 : 4 = 3 15 : 5 = 3 8 : 2 = 4 12 : 3 = 4 16 : 4 = 4 20 : 5 = 4 10 : 2 = 5 15 : 3 = 5 20 : 4 = 5 25 : 5 = 5 12 : 2 = 6 18 : 3 = 6 24 : 4 = 6 30 : 5 = 6 14 : 2 = 7 21 : 3 = 7 28 : 4 = 7 35 : 5 = 7 16 : 2 = 8 24 : 3 = 8 32 : 4 = 8 40 : 5 = 8 18 : 2 = 9 27 : 3 = 9 36 : 4 = 9 45 : 5 = 9 20 : 2 = 10 30 : 3 = 10 40 : 4 = 10 50 : 5 = 10 6 : 6 = 1 7 : 7 = 1 8 : 8 = 1 9 : 9 = 1 12 : 6 = 2 14 : 7 = 2 16 : 8 = 2 18 : 9 = 2 18 : 6 = 3 21 : 7 = 3 24 : 8 = 3 27 : 9 = 3 24 : 6 = 4 28 : 7 = 4 32 : 8 = 4 36 : 9 = 4 30 : 6 = 5 35 : 7 = 5 40 : 8 = 5 45 : 9 = 5 36 : 6 = 6 42 : 7 = 6 48 : 8 = 6 54 : 9 = 6 42 : 6 = 7 49 : 7 = 7 56 : 8 = 7 63 : 9 = 7 48 : 6 = 8 56 : 7 = 8 64 : 8 = 8 72 : 9 = 8 54 : 6 = 9 63 : 7 = 9 72 : 8 = 9 81 : 9 = 9 60 : 6 = 10 70 : 7 = 10 80 : 8 = 10 90 : 9 = 10 N G U Y Ễ N B Á P H Ú C Trêng TiÓu häc An Thạnh 1