How to Play:
- Click on the tiles to reveal time conversion questions
- Select the correct answer from the options
- Earn points for correct answers
- Complete as many conversions as possible before time runs out
- Practice converting between hours, minutes, and seconds
How many minutes are in 3 hours?
Time Conversion: Changing one unit of time to another using known relationships between units.
- Identify the relationship between units (1 hour = 60 minutes)
- Multiply by the conversion factor
- Simplify the result
• 1 minute = 60 seconds
• 1 hour = 60 minutes
• 1 day = 24 hours
• 1 week = 7 days
We know that 1 hour = 60 minutes
3 hours × 60 minutes/hour
3 × 60 = 180 minutes
Check: 180 ÷ 60 = 3 hours ✓
3 hours equals 180 minutes
How many hours are in 240 minutes?
Division for Conversion: When converting from smaller units to larger ones, divide by the conversion factor.
We know that 1 hour = 60 minutes
240 minutes ÷ 60 minutes/hour
240 ÷ 60 = 4 hours
Check: 4 × 60 = 240 minutes ✓
240 minutes equals 4 hours
How many minutes are in 360 seconds?
Seconds to Minutes: Since 1 minute = 60 seconds, divide seconds by 60 to get minutes.
We know that 1 minute = 60 seconds
360 seconds ÷ 60 seconds/minute
360 ÷ 60 = 6 minutes
Check: 6 × 60 = 360 seconds ✓
360 seconds equals 6 minutes
Time Unit: A standardized quantity used to measure duration (seconds, minutes, hours, days)
Conversion: Changing from one unit to another while keeping the same amount of time
Base 60 System: Time uses 60 as the base for minutes and seconds (not 10 like other measurements)
• Big to Small: Multiply by the conversion factor
• Small to Big: Divide by the conversion factor
• Verification: Always check your answer by converting back
• Relationships: 1 minute = 60 seconds, 1 hour = 60 minutes, 1 day = 24 hours
- Identify: Determine what units you're converting from and to
- Recall: Remember the conversion factor (60, 24, etc.)
- Decide: Choose multiply or divide based on direction
- Calculate: Perform the mathematical operation
- Verify: Check by converting back to original unit
Simple Examples:
- 1 hour = 60 minutes
- 2 minutes = 120 seconds
- 120 minutes = 2 hours
Intermediate Examples:
- 3 hours = 180 minutes
- 180 seconds = 3 minutes
- 480 minutes = 8 hours
Advanced Examples:
- 2.5 hours = 150 minutes
- 450 seconds = 7.5 minutes
- 3.5 days = 84 hours
Convert the following:
- 5 hours = ? minutes
- 300 minutes = ? hours
- 480 seconds = ? minutes
- 6 hours = ? minutes
5 hours = 300 minutes | 300 minutes = 5 hours | 480 seconds = 8 minutes | 6 hours = 360 minutes
Multi-step conversions:
- How many seconds are in 2 minutes and 30 seconds?
- If a movie lasts 2.5 hours, how many minutes is that?
- How many hours are in 3 days?
2 min 30 sec = 150 seconds | 2.5 hours = 150 minutes | 3 days = 72 hours
Memory Game: Match the equivalent times:
Column A
1 hour
2 minutes
3 hours
4 minutes
Column B
60 minutes
120 seconds
180 minutes
240 seconds
Questions & Answers
Question: I like the game, but I still get confused about when to multiply and when to divide. Can you explain again?
Answer: Here's a simple way to remember:
- From BIG to SMALL: MULTIPLY (Hours → Minutes → Seconds)
- From SMALL to BIG: DIVIDE (Seconds → Minutes → Hours)
Memory Trick: Think about money! If you have 1 dollar and want to know how many pennies that is, you multiply (1 × 100 = 100 pennies). Same idea with time!
Examples:
- 2 hours to minutes: 2 × 60 = 120 minutes (big to small, multiply)
- 120 minutes to hours: 120 ÷ 60 = 2 hours (small to big, divide)
Question: How can I help my child practice time conversions at home in a fun way?
Answer: Here are fun at-home activities:
- Cooking conversions: "How many minutes until the cookies are ready?"
- TV time: "If the show is 30 minutes, how many seconds is that?"
- Timer games: Use a stopwatch to count by 60s
- Story problems: Create scenarios with your child's interests
- Card games: Make matching cards with equivalent times
The key is connecting time conversions to things they enjoy and experience daily!
Question: Why do we use 60 for time instead of 10 like other numbers? It's confusing!
Answer: Great question! Ancient people used 60 because:
- 60 can be divided evenly by many numbers: 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60
- This made sharing time easier in ancient times
- The tradition continued for thousands of years
Think of it like pizza slices - 60 slices can be shared equally among many different group sizes, which is very convenient for time!