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9×GooGooCalc⌕

Multiplying Decimals

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

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 4–5

Area Model (Box Method)

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

Grades 4–5

Multiply & Divide by 10, 100, 1000

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