Operations with metric units

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Intros

Lessons

Introduction to Operations with Metric Units
Intro to adding metric units
Adding Mixed Metric Units
Subtracting mixed metric units

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Examples

Lessons

Adding Mixed Metric Units
Add:
1. 6cm 2mm + 12 cm 8mm
2. 12 kg 150 g + 8 kg 90 g
3. 3 L 20mL + 5 L
Subtracting Mixed Customary Units
Subtract:
1. 12 L 20 mL - 3 L
2. 8 m 34 cm - 3 m 21 cm
3. 2 kg - 1000g
Operations with metric units: Word problems
Subtract:
1. 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?
2. 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?

Topic Notes

In this lesson, we will learn:

Adding mixed metric units
Subtracting mixed metric units

Notes:

Metric Units of Length:

1km = 1000 m
1 m = 100 cm
1 cm = 10 mm

Customary Units: Length, Volume, Weight

Customary Units: Length, Volume, Weight

Metric Units of Volume

1L = 1000 mL

Customary Units: Length, Volume, Weight

Customary Units: Length, Volume, Weight

Metric Units of Weight

1kg = 1000 g

Customary Units: Length, Volume, Weight

Customary Units: Length, Volume, Weight

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

Adding Mixed Metric Units Steps

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

Subtracting Metric Units Steps

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

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