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- Fourth Class Maths
- Measurement

Still Confused?

Try reviewing these fundamentals first

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Get Started NowStart now and get better maths marks!

Get Started NowStart now and get better maths marks!

Get Started NowStart now and get better maths marks!

Get Started Now- Intro Lesson: a2:58
- Intro Lesson: b6:51
- Intro Lesson: c10:45
- Lesson: 1a3:55
- Lesson: 1b3:04
- Lesson: 1c2:14
- Lesson: 2a1:32
- Lesson: 2b2:29
- Lesson: 2c2:22
- Lesson: 3a2:41
- Lesson: 3b5:09

In this lesson, we will learn:

- Adding mixed metric units
- Subtracting mixed metric units

1km = 1000 m

1 m = 100 cm

1 cm = 10 mm

1L = 1000 mL

1kg = 1000 g

-to add or subtract measurements – measurements must be in the SAME units

- Group together like units
- Add like units (starting with smaller units)
- Rename and Regroup units (if you need to)

- Group together like units
- Rename and regroup units (if you need to)
- Subtract like units

- IntroductionIntroduction to Operations with Metric Unitsa)Intro to adding metric unitsb)Adding Mixed Metric Unitsc)Subtracting mixed metric units
- 1.
**Adding Mixed Metric Units**

Add:a)6cm 2mm + 12 cm 8mmb)12 kg 150 g + 8 kg 90 gc)3 L 20mL + 5 L - 2.
**Subtracting Mixed Customary Units**

Subtract:a)12 L 20 mL - 3 Lb)8 m 34 cm - 3 m 21 cmc)2 kg - 1000g - 3.
**Operations with metric units: Word problems**

Subtract:a)Sam drove for 12 km 9 m and then took a break. After his break he drove 8 km 2m. How far in total did he drive?b)Adam has an 8kg 20g bag of soil to use in his garden. If he uses 3 kg in the front garden and 2 kg 18 g in the back garden, how much soil does he have left?