Chinese Multiplication Also known as: The Lattice Method

6 × 37 Draw grid Draw lattice

6 × 37 3 7 6

7×6 6 × 37 3 7 4 6 2

6 × 37 3 7 3×6 1 4 6 8 2

Add diagonals 6 × 37 3 7 1 4 6 8 2

Add diagonals 6 × 37 3 7 1 4 6 8 2 2

Add diagonals 6 × 37 3 7 1 4 6 8 2 1 2 2

Add diagonals 6 × 37 3 7 1 4 6 2 8 2 1 2 2

6 × 37 3 7 1 4 6 2 8 2 1 2 2 Read off answer

Chinese Multiplication Now with some bigger numbers

46 × 37 Draw grid Draw lattice

46 × 37 4 6 3 7

6×3 46 × 37 4 6 1 3 8 7

46 × 37 4 6 1 3 8 6×7 4 7 2

46 × 37 4 6 4×3 1 1 3 2 8 4 7 2

46 × 37 4 6 1 1 3 2 8 4×7 2 4 7 8 2

46 × 37 4 6 Add diagonals 1 1 3 2 8 2 4 7 8 2

46 × 37 4 6 1 1 3 2 8 2 4 7 8 2 2

46 × 37 4 6 8+4+8=20 1 1 3 2 8 2 4 7 2 8 2 2

46 × 37 4 6 2+2+2+1=7 1 1 3 2 8 2 4 7 2 8 2 7 2

46 × 37 4 6 1 1 3 1 2 8 2 4 7 2 8 2 7 2

46 × 37 = 1702 4 6 1 1 3 1 2 8 2 4 7 2 8 2 7 Read off answer 2

Now you try – choose some of these. 42 x 6 56 x 24 7 x 84 327 x 41 234 x 8 76 x 35 23 x 85 Check your answers on a calculator