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Measurement Conversions and Time

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Week 4 - Term 4
Measurement Conversions and Time

Clock and measurement tools illustration

🎯 WALT (We Are Learning To)

We are learning to convert between different units of measurement and read time accurately.

Success Criteria:

I can convert between mm, cm, metres and kilometres

I can convert between mL and L

I can read analogue and digital clocks including quarter past and quarter to

I can convert between g, kg, and tonnes

🔥 Warm-Up: Addition and Subtraction Practice

Work together as a group to solve these problems. Show your working!

1. 456 + 289 = _______
2. 834 - 267 = _______
3. 1,245 + 678 = _______
4. 2,000 - 456 = _______
5. 3,567 + 1,234 = _______

📏 Length Conversions

Remember: 10mm = 1cm, 100cm = 1m, 1000m = 1km

6. Convert 2,500mm to centimetres: _______ cm
7. Convert 3.5 metres to centimetres: _______ cm
8. Convert 2.8km to metres: _______ m
9. A football field is 100m long. How many centimetres is this? _______ cm
10. Which is longer?

1,200mm or 1.5m

They are the same

🥤 Volume Conversions

Remember: 1,000mL = 1L, 1,000L = 1kL

11. Convert 3.5L to millilitres: _______ mL
12. Convert 2,500mL to litres: _______ L
13. A swimming pool holds 50kL of water. How many litres is this? _______ L
14. You drink 250mL of water 8 times a day. How many litres do you drink? _______ L
15. Which container holds more?

2.5L bottle

2,800mL jug

⏰ Time Reading

16. What time is quarter past 3 in digital format? _______
17. What time is quarter to 7 in digital format? _______
18. If a digital clock shows 9:45, what would you say this time is?

Quarter past 9

Quarter to 10

Half past 9

19. School starts at 8:45am and finishes at 3:15pm. How many hours and minutes is this? _______ hours and _______ minutes
20. If it's currently 2:30pm and your next class is in 45 minutes, what time does your next class start? _______

⚖️ Weight Conversions

Remember: 1,000g = 1kg, 1,000kg = 1 tonne

21. Convert 2.5kg to grams: _______ g
22. Convert 3,500g to kilograms: _______ kg
23. A car weighs 1.2 tonnes. How many kilograms is this? _______ kg
24. Which is heavier?

1,500g

1.8kg

25. A recipe calls for 250g of flour, 500g of sugar, and 300g of butter. What is the total weight in kilograms? _______ kg

🤝 Group Problem Solving Challenge

Work together to solve this real-world problem:

Bonus Challenge: Your group is planning a school trip. The bus journey is 2.5km to the museum. Each student needs to bring 500mL of water. There are 20 students going. The trip starts at quarter past 9 and returns at quarter to 3. Each student's lunch weighs approximately 400g.

Calculate:

a) Total distance travelled (there and back): _______ km = _______ m

b) Total water needed: _______ mL = _______ L

c) Total time away from school: _______ hours and _______ minutes

d) Total weight of all lunches: _______ g = _______ kg

Show your group's working and discussion:

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