Add Multiples of 100 and 3-Digit Numbers: Horizontal Addition Worksheet

A number remains as it is when a 0 is added to it. Therefore, students love adding numbers that end in zeros. Add multiples of 100 and 3-digit numbers worksheet has a lot of problems based on this concept. 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.