This math topic focuses on calculating the percentage change when numbers decrease, specifically using multiples of 10%. It involves determining how much a number has reduced in percentage terms from its original value. The problems require students to understand how to compute percentages and apply this understanding to scenarios where values shrink, comparing new values to original ones to find the percentage decrease. The questions are practical applications of percentage decrease concepts, aimed at building fundamental skills in handling percentages in various contexts.
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What percent did the number change by?
10% of 50 is 5
What is the % change if 50 shrinks to 25