This math topic focuses on calculating the increased value of a number after adding a certain percentage to it, specifically using multiples of 10% like 60%, 70%, 80%, and 100%. Each question presents a base number (e.g., 40, 90, 60) and asks to determine the new value after increasing by the specified percentage. The answers are provided in a multiple-choice format. This set of problems challenges learners to apply their understanding of percentage growth calculations as part of a broader unit on percentages.
Work on practice problems directly here, or download the printable pdf worksheet to practice offline.
Complete these online problems with 80% or 4 correct answers in a row. Results are immediate.
Calculate the final number when it changes by a percentage
60% more than 90