Or download our app "Guided Lessons by Education.com" on your device's app store.
Start getting back to basics with this quick practice test: three-digit addition and subtraction. This math exercise provides second- and third-grade students with 20 different addition problems. If they need a quick review, there’s an example at the top of the page showing the process for three-digit addition and regrouping numbers. Encourage them to show their work!