Thousandths

This 12-question quiz takes decimal subtraction out to the thousandths place, with numbers ranging up into the hundreds.

Expect problems like 10.240 - 1.477 = ? and 78.302 - 3.267 = ?, along with a few true or false checks.

With three places after the point, borrowing can chain through several columns at once, so working steadily from right to left is the safest approach.

It also helps to add trailing zeros so both numbers have the same number of decimal places before you start.

Recommended level: intermediate.