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Speed, Distance and Time — Flashcards

ICSE · Class 7 · Mathematics

32 flashcards for Speed, Distance and Time (ICSE Class 7 Mathematics) to test yourself on key terms and facts.

78 questions32 flashcards17 formulas & key relations5 concepts

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32 Flashcards·
Speed calculationKey formulaUnit conversion and speedUnit conversion
Card 1Speed calculation

Solve: A boy walks 300 m in 2 minutes. Find his speed in m/min.

Answer

Step 1: Use Speed = Distance / Time. Step 2: Speed = 300 m / 2 min. Step 3: Speed = 150 m/min. Answer: 150 m/min.

Card 2Speed calculation

Solve: A boy walks 300 m in 2 minutes. Find his speed in m/s.

Answer

Step 1: Convert time to seconds. 2 minutes = 120 seconds. Step 2: Use Speed = Distance / Time. Step 3: Speed = 300 m / 120 s = 5/2 m/s. Step 4: 5/2 m/s = 2.5 m/s. Answer: 2.5 m/s.

Card 3Speed calculation

Solve: A man covers 3.6 km in 24 min. Find his speed in km/h.

Answer

Step 1: Convert 24 min to hours. 24 min = 24/60 h = 2/5 h. Step 2: Use Speed = Distance / Time. Step 3: Speed = 3.6 km / (2/5) h. Step 4: Speed = 3.6 × 5/2 = 9 km/h. Answer: 9 km/h.

Card 4Speed calculation

Solve: A man covers 3.6 km in 24 min. Find his speed in m/s.

Answer

Step 1: Convert distance to metres. 3.6 km = 3600 m. Step 2: Convert time to seconds. 24 min = 1440 s. Step 3: Use Speed = Distance / Time. Step 4: Speed = 3600 / 1440 = 5/2 m/s. Step 5: 5/2 m/s = 2.5…

Card 5Key formula

Formula for speed

Answer

Speed = Distance / Time. Use metres and seconds together for m/s, or kilometres and hours together for km/h. Quick example: 3600 m in 1200 s gives speed = 3600 / 1200 = 3 m/s.

Card 6Unit conversion and speed

Solve: A car covers 375 m in 25 s. Find its speed in km/h.

Answer

Step 1: Use Speed = Distance / Time. Step 2: Speed = 375 m / 25 s = 15 m/s. Step 3: Convert m/s to km/h by multiplying by 18/5. Step 4: 15 × 18/5 = 54 km/h. Answer: 54 km/h.

Card 7Unit conversion

When do you use the conversion 1 km/h = 5/18 m/s?

Answer

Use it when speed is given in km/h and the answer is needed in m/s. Worked example: 72 km/h × 5/18 = 20 m/s. So, 72 km/h = 20 m/s.

Card 8Unit conversion

When do you use the conversion 1 m/s = 18/5 km/h?

Answer

Use it when speed is given in m/s and the answer is needed in km/h. Worked example: 15 m/s × 18/5 = 54 km/h. So, 15 m/s = 54 km/h.

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Frequently Asked Questions

What are the important topics in Speed, Distance and Time for ICSE Class 7 Mathematics?
Key topics in Speed, Distance and Time include Core Ideas and Definitions, Unit Conversion of Speed, Solved Examples for Speed, Distance and Time, Average Speed. Study these first, then practise questions on each for Class 7 exams.
How many flashcards are available for Speed, Distance and Time?
There are 32 flashcards for Speed, Distance and Time covering key definitions, facts and ideas. A few sample cards are shown on this page.
How should I revise Speed, Distance and Time for Class 7 exams?
Learn the core ideas first, then work through the 78 practice questions on Speed, Distance and Time. Revise definitions regularly and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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