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Heart Rate micro-lesson

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Learning time​

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Have you ever noticed that when you run around, jump, play, you might get out of breath? But why do we get out of breath? That’s a sign that our heart rate has increased. Your heart rate is how quickly your heart beats each minute. Children between the ages of 8 and 15 should have a heart rate of between 60 and 100 beats per minute. But that’s just when you’re at rest, when you’re not moving. So, what happens when you exercise? When we exercise, our body needs more oxygen. This provides it with energy. So, we start to breath heavily because our body’s trying to bring in more oxygen. And our heart starts to beat faster because it’s sharing and spreading the oxygen to all of our muscles and tissues. When we exercise, we have a maximum heart rate. To find our maximum heart rate, we take 220 and we subtract our age. So, if you are 10 years old, 220 minus 10 is 210, your maximum heart rate. When we do monitored exercise, we should have a heart rate between 50% and 85% of our maximum. The harder the exercise you do, the higher your heart rate’s going to be. Just like when we’re resting, like I’m sitting now, my heart rate’s slower. I’m not breathing heavy, and my heart is beating slowly. So, when you get out of breath next time, think. Are you exercising? Is it moderate? Is it vigorous? And how high is your heart rate?

Examples of 1Question Maths Questions

Answer time

Kids earn more screen time by answering fun educational questions.

Here are some example of questions about this video that kids may be asked in the 1Question app to earn screen time.

  • To calculate maximum heart rate, what number do you start with?

    1) 220
    2) 210
    3) 100
    4) 60
  • If you are 12 years old, what should your maximum heart rate be?

    1) 208
    2) 220
    3) 210
    4) 100
  • If you are 8 years old, what should your maximum heart rate be?

    1) 212
    2) 220
    3) 210
    4) 60
  • What is the normal heart rate for children 8-15 years old?

    1) 60-100 beats per minute
    2) 220 beats per minute
    3) 210 beats per minute
    4) 50-80 beats per minute
  • When we do moderate exercise, what should our heart rate be?

    1) 50-80% of maximum heart rate
    2) 220 beats per minute
    3) 210 beats per minute
    4) 60-100 beats per minute
  • If my maximum heart rate is 200, what should my heart rate be for moderate exercise?

    1) 100-160
    2) 250-280
    3) 100-180
    4) 120-150
  • What is one sign that your heart rate has increased?

    1) Being out of breathe
    2) Feeling out of energy
    3) Running, jumping and playing
    4) Feeling dizzy
  • What does oxygen provide your body with?

    1) Energy
    2) Heart rate
    3) Carbon dioxide
    4) Blood
  • If you are resting, your heart rate will be

    1) Lower
    2) Higher
    3) Maximum heart rate
    4) 220 beats per minute
  • What is heart rate?

    1) How quickly your heart beats
    2) How quickly you get out of breath
    3) How quickly you run
    4) When your heart doesn't beat quickly
  • How would you calculate your heart rate for moderate exercise?

    1) Take your maximum heart rate and halve it
    2) Take your maximum heart rate and multiply it by 50
    3) Take your maximum heart rate and divide it by 50
    4) Take your maximum heart rate and add 50
  • Why do we breathe heavily when exercising?

    1) Because our body is bringing in more oxygen
    2) To decrease our heart rate
    3) To get rid of energy
    4) Because our body is bringing in less oxygen

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Meet your educator

Our micro-courses are developed and delivered by qualified educators from around the world.

Kerry Wadsley

Kerry Wadsley

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