Area model
Helps with bigger numbers: split them by place value and multiply the parts.
Step 1Split each number by place value: 3 stays as 3; 12 = 10 + 2.
Step 2Multiply to fill each box.
- 10 × 3 = 30
- 2 × 3 = 6
Step 3Add the boxes: 30 + 6 = 36.
Step 4So 3 × 12 = 36.