This engaging, digital, no-prep, instant feedback, self-grading resource has 16 practice problems where students solve for parts, wholes, and percentages of numbers using the percent proportion or percent equation. When the correct answer is typed in the answer box, the box will turn green and part of the pixel puzzle will be revealed. If the answer that is typed in the answer box is incorrect, the answer box will turn red. See the preview for a short video example. A key and printable worksheet