Percent change in a shrinking number (10%) - Concept Intro

Level 1

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.

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Percent change in a shrinking number (10%) - Concept Intro

Complete 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

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