Subtraction of two digit numbers quiz online

Subtraction of two digit numbers quiz online. In this quiz there are two numbers each having two places (i.e. the tens place and the ones place). In each problem, children are asked to find the difference of both numbers. Subtracting two numbers of this nature begins by first subtracting the ones place and later the tens place. In case a number cannot be subtracted from another, there is a possibility to borrow across places. This subtraction exercise is for kids in 1st, 2nd, 3rd, and 4th grades