BẢNG CỬU CHƯƠNG NHÂN (1 – 5) 1x1= 1x2= 1x3= 1x4= 1x5= 2x1= 2x2= 2x3= 2x4= 2x5= 10 3x1= 3x2= 3x3= 3x4= 3x5= 12 15 4x1= 4x2= 4x3= 4x4= 4x5= 12 16 20 5x1= 5x2= 5x3= 5x4= 5x5= 10 15 20 25 1x6=6 1x7=7 1x8=8 x = x = 14 x = 12 16 x = x = 21 x = 18 24 x = x = 28 x = 24 32 x = x = 35 x = 30 40 10 x = x 10 = 10 2x9= x 10 = 18 20 3x9= x 10 = 27 30 4x9= x 10 = 36 40 5x9= x 10 = 45 50 BẢNG CỬU CHƯƠNG CHIA (2 - 5) 2:2= 3:3= 4:4= 4:2=2 6:2=3 8:2=4 6:3=2 9:3=3 8:4=2 12 : = 10 : = 12 : = 15 : = 16 : = 20 : = 12 : = 14 : = 16 : = 18 : = 20 : = 10 18 : = 21 : = 24 : = 27 : = 30 : = 10 24 : = 28 : = 32 : = 36 : = 40 : = 10 5:5= 10 : = 15 : = 20 : = 25 : = 30 : = 35 : = 40 : = 45 : = 50 : = 10