APIEMeasurement and the Metric System
Measurement and the metric system
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Measurement and the Metric System
Master key measuring words, precision collocations, and fluent pronunciation.
Teacher Guidance
Use this 20-minute lesson to build precision vocabulary and pronunciation. Guide students through the word table first, then check practice items together or assign them individually.
Learner Steps
Read the 10 target words and their memory tricks first. Then complete the 16 practice items and test your speaking in the shadowing section.
Word Table
Study these 10 target measurement words and their quick memory tips before trying the exercises.
| Word | Meaning | Common Collocations | Example Sentence | Memory Tip |
|---|---|---|---|---|
| 🔹 Theme 1: Units and Systems | ||||
| decimal (n/adj) | A number based on 10 | decimal point, decimal place | Write the price with two decimal places. | Think of ten: a decimal system counts in tens, like ten fingers. |
| litre (n) | A unit for liquid volume | a litre of water, two litres | This bottle holds two litres of juice. | Think of a "litre" of liquid in a big bottle. |
| ounce (n) | A small unit of weight | an ounce of gold, fluid ounce | The recipe needs two ounces of flour. | An "ounce" is tiny, like a single bounce of a feather. |
| inch (n) | A small unit of length | an inch long, every inch | The nail is about an inch long. | Your thumb joint is about an inch wide. |
| 🔹 Theme 2: Measuring | ||||
| gauge (v/n) | To measure or judge something | gauge the distance, gauge reaction | The test helps teachers gauge how much students know. | Sounds like "engage" - engage your eyes to gauge size. |
| diameter (n) | Width across a circle | large diameter, measure diameter | The diameter of the wheel is sixty centimetres. | "Dia" means across, like a line across a circle. |
| estimate (v/n) | To guess the size or amount | estimate the cost, rough estimate | We need to estimate the total weight first. | "Esti-mate" - ask your mate for a quick guess. |
| 🔹 Theme 3: Changing and Fixing | ||||
| convert (v) | To change from one system to another | convert miles to kilometres, convert units | We convert the recipe from ounces to grams. | "Con-vert" - turn version A into version B. |
| standard (n/adj) | Accepted rule or level | international standard, set a standard | All the boxes must meet the same standard. | "Stand" firm on a set rule. |
| consistent (adj) | Staying the same over time | consistent results, consistent size | Her test results are consistent from week to week. | "Con-sistent" - sister always acts the same way. |
Practice (16 items)
Work through these 4 task types from easy to hard. Read each sentence carefully.
Match each verb or adjective to its natural noun phrase.
1. Match the verb estimate to its natural object:
2. Match the verb gauge to its natural object:
3. Match the verb convert to its natural phrase:
4. Match the adjective consistent to its natural noun:
Complete each short conversation using the Word Bank.
A: Is this bottle marked in metric units?
B: Yes, it holds exactly one ____ of fresh water.
A: How much butter does this cake recipe need?
B: Just add one ____ of butter to the pan.
A: Is the new phone screen much bigger?
B: Yes, it is one ____ wider than the old model.
A: Where do I put the dot in 3.14?
B: Place the ____ point right after the main number.
Select the option that best fits the meaning of the sentence.
9. The mechanic read the tyre ___ to see how much air was inside.
10. The technician measured the outer ___ of the metal circle before cutting it.
11. This ruler is accepted worldwide as the international ___ unit for measuring length.
12. You can easily ___ inches into centimetres by multiplying by 2.54.
Reorder the given words to form a correct, complete sentence.
Given words: [ height / the / Please / estimate / total ]
Type the complete sentence in correct order:
____Given words: [ all / keep / units / We / must / consistent ]
Type the complete sentence in correct order:
____Given words: [ the / Measure / circle / diameter / of / this ]
Type the complete sentence in correct order:
____Given words: [ one / Pour / into / bottle / litre / the ]
Type the complete sentence in correct order:
____Shadowing Practice (12 items)
Listen to the speaker, then record yourself repeating each phrase or sentence clearly.
convert ounces to grams
[Bài tập luyện nói]
____gauge the exact diameter
[Bài tập luyện nói]
____keep measurements consistent
[Bài tập luyện nói]
____follow the international standard
[Bài tập luyện nói]
____Please estimate the total height in inches.
[Bài tập luyện nói]
____We must keep all standard units consistent.
[Bài tập luyện nói]
____Add one decimal point after the main number.
[Bài tập luyện nói]
____Can you convert this weight into ounces?
[Bài tập luyện nói]
____Measure the diameter of this small circle.
[Bài tập luyện nói]
____Pour one litre of water into the bottle.
[Bài tập luyện nói]
____decimal
[Bài tập luyện nói]
____gauge
[Bài tập luyện nói]
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