Give math skills a workout with this race against the clock! This worksheet of subtraction problems should be worked on for just one minute.

3...2...1...go! Students will apply their knowledge of addition facts with this speedy worksheet!

Has your little mathematician mastered double-digit addition...and subtraction? Put her mathematical prowess to the test with this worksheet duo.

Hurry! If these numbers aren't added quickly using regrouping, they'll pop!