This math topic focuses on calculating the percentage change when a number decreases by 10%. It is designed to help learners understand how to determine the percent decrease from an original number to a reduced number. Specifically, each problem presents an initial number and its 10% value, followed by a new smaller number, asking students to calculate the percent change resulting from the shrinkage. This topic forms part of a broader introduction to percentages, developing foundational skills in understanding and working with percent changes.
moreComplete these online problems with 80% or 4 correct answers in a row. Results are immediate.
What percent did the number change by?
10% of 30 is 3
What is the % change if 30 shrinks to 27
Earned ?