Measurement and units (T2 W4)
Progress: 0/7 checkpoints complete (0%).
0/400
0/400
0/400
0/400
0/400
0/400
0/400
0 due | 0 overdue
No due spaced reviews.
No recommendations right now.
No baseline score yet.
No topic mastery records yet.
No adaptive path suggestions yet.
Move from lesson study to exam practice in Mathematics.
No direct subject mapping found yet. Browse past papers to pick province and subject.
Measurement is the process of determining the size, length, or amount of something. In our daily lives, we measure things like the length of a pencil, the height of a plant, or the weight of a bag of apples. We use different units to measure these things, such as centimeters, meters, or kilograms. Today, we will learn how to measure objects using non-standard units like blocks or our own hands.
Let's measure the length of a book using blocks. If the book is 5 blocks long, we can say that the length of the book is 5 blocks. We can also compare it to other objects. For example, if a pencil is 3 blocks long, we can see that the book is longer than the pencil. This helps us understand how measurement works in a fun and visual way.
Now, let's work together to measure some objects in our classroom. I will choose a chair, and we will use our hands to measure its height. How many hands tall is the chair? After we measure, we will compare our results. Did everyone get the same number? If not, let's discuss why that might be. This will help us understand how different methods of measurement can lead to different results.
For your independent practice, I want you to choose three objects from your desk. Measure each object using blocks or your hands. Write down how many blocks or hands long each object is. After you finish measuring, share your results with a partner and see if you both measured the same way. Discuss any differences you find.
Answer: Units
We use units to measure the length of objects, such as centimeters or blocks.
Answer: Blocks
Blocks are a non-standard unit of measurement that we can use to measure length.
Answer: The book
The book is longer because it measures 5 blocks, while the pencil measures only 3 blocks.
Answer: 3
The answer will vary based on individual measurements, but students should measure and write their own results.
Answer: A book
A ruler is typically used to measure flat objects like books.
Answer: My hands
Students should describe the method they used for measurement.
Answer: 8 blocks
If one table is 4 blocks long, two tables would be 4 + 4 = 8 blocks long.
Answer: To know their size.
Measuring helps us understand the size of objects and compare them.