Measurement | estimating the mass of objects



Welcome to class!

In today’s class, we’re going to continue our fantastic journey into the world of measurement. But this time, we’re going to explore how to estimate the mass of objects. Get ready to become mass estimation masters! 

Measurement | estimating the mass of objects

What is Estimating Mass?

What is Estimating Mass

Alright, before we dive in, let’s understand what estimating mass means. Imagine you have a bag of marbles again, but this time, you don’t have a scale. You want to guess how heavy the bag is. That’s estimating mass! It’s like making an educated guess about how much something weighs. 

Why Estimate Mass?

Why Estimate Mass?

Imagine you’re helping your grown-up cook a big pot of yummy soup. You don’t have a scale, but you need to add just the right amount of veggies. Estimating mass helps you guess the right amount of veggies, so your soup turns out delicious, not too veggie or too bland!

Let’s See Some Examples!

Why Estimate Mass

Think about your school backpack. Before you pick it up, can you guess how heavy it is? That’s estimating mass! Or when you’re at the grocery store with your grown-up, you might help choose apples. Can you guess which apple is heavier without using a scale? That’s estimating mass in action!

Classwork Time

Now, it’s time for some fun! Find a few small objects around your home, like toys or books. Without picking them up, try to guess which one is the heaviest and which one is the lightest. Then, check by picking them up and see if your estimates were close! 

In today’s class, we’ve learned that estimating mass is like making an educated guess about how heavy something is when you don’t have a scale. It’s a super helpful skill to have when you’re cooking or picking out fruits at the store!


Here’s a question: Why is it important to estimate mass? Can you think of a time when you might need to guess how heavy something is? Share your ideas with me in our next class!


Your homework mission is to find five different objects around your home and estimate their mass. Write down your estimates and then check by picking them up. Were your estimates close? Tell me all about it next time, mass estimation masters! 

We have come to the end of today’s class. I hope you enjoyed the class!

In the next class, we shall be discussing Measurement of time

In case you require further assistance or have any questions, feel free to ask in the comment section below, and trust us to respond as soon as possible. Cheers!

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