Add and Subtract Thousandths: Horizontal - Worksheet

Task your little mathematicians to crack the code of adding and subtracting thousandths with this fun worksheet. When adding or subtracting decimals, students line up the decimal points and add extra zeros to the right of the number so that each decimal has the same number of digits. Students then add or subtract digits at each place to find the answer. In each problem, the numbers are laid out in the horizontal format. Students should try to use different strategies involving composing and decomposing numbers to solve these problems. This will help them develop flexibility and fluency.