Skip to calculator content
9×GooGooCalc⌕

Area Model (Box Method)

The method your child is taught at school and you probably were not. Split by place value, multiply, add.

First number · Second number

Related calculators

Grades 4–5

Long Multiplication

Including the placeholder zero on the second row — the step almost every kid forgets.

Grades 5–6

Multiplying Decimals

Multiply as if the points were not there, then count the places to put the point back.

Grades 4–5

Multiply & Divide by 10, 100, 1000

Watch the decimal point slide. It never was about “adding zeros”.