Percent and Percentage
ICSE · Class 7 · Mathematics
Flashcards for Percent and Percentage — ICSE Class 7 Mathematics. Quick Q&A cards covering key concepts, definitions, and formulas.
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Solve: Express 7 out of 35 children as a percent.
Answer
Step 1: Write it as a fraction: 7/35. Step 2: Simplify: 7/35 = 1/5. Step 3: Convert to percent: (1/5) × 100% = 20%. Answer: 20%…
Solve: Express 0.3 as a percent.
Answer
Step 1: Use the rule value × 100%. Step 2: 0.3 × 100% = 30%. Answer: 30%…
Solve: Express 120% as a fraction.
Answer
Step 1: Remove the percent sign and divide by 100. Step 2: 120/100 = 6/5. Answer: 6/5…
Solve: Express 3.6% as a fraction.
Answer
Step 1: Write 3.6% = 3.6/100. Step 2: Remove the decimal by multiplying top and bottom by 10: 3.6/100 = 36/1000. Step 3: Simplify: 36/1000 = 9/250. Answer: 9/250…
When do you use the rule value × 100%? Give one example.
Answer
Use it to change a fraction or decimal into a percent. Example: 0.27 × 100% = 27%. Another example: (4/10) × 100% = 40%. Answer: Multiply the fraction or decimal by 100 and write %.
Solve: 40 paise as a percent of ₹6.
Answer
Step 1: Make the units same. ₹6 = 600 paise. Step 2: Form the fraction: 40/600. Step 3: Convert to percent: (40/600) × 100%. Step 4: Simplify: 40/600 = 1/15. Step 5: (1/15) × 100% = 20/3% = 6 2/3%. An…
Solve: What percent is 16 hours of 2 days?
Answer
Step 1: Make the units same. 2 days = 48 hours. Step 2: Form the fraction: 16/48. Step 3: Simplify: 16/48 = 1/3. Step 4: Convert to percent: (1/3) × 100% = 33 1/3%. Answer: 33 1/3%…
Solve: What percent of 1 m 25 cm is 60 cm?
Answer
Step 1: Make the units same. 1 m 25 cm = 125 cm. Step 2: Form the fraction: 60/125. Step 3: Convert to percent: (60/125) × 100%. Step 4: Simplify: 60/125 = 12/25. Step 5: (12/25) × 100% = 48%. Answer:…
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