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Metric System
• Objectives:• Today I will be able to:
• Understand the size and numerical relationship between the units in the metric system
• Informal assessment – monitoring student interactions as they complete the warm –up, category sort and scavenger hunt
• Formal assessment – analyzing student responses to the exit ticket and the price is right activity
• Common Core Connection• Model with mathematics • Look for and make use of structure
Lesson Sequence
• Evaluate: Warm-Up
• Explain: Metric System Notes
• Engage/Explore: Metric System Category Sort
• Explore/Elaborate: Metric System Scavenger Hunt
• Engage/Evaluate: Price Is Right
• Evaluate: Exit Ticket
Warm – Up (Day 1)
• Complete the “Estimation 1” column on the metric system warm up worksheet
Warm – Up (Day 2)
Objectives
• Today I will be able to:• Understand the size and numerical
relationship between the units in the metric system
Homework
• Study for the significant figures quiz on Thursday, September 11
Agenda
• Warm Up
• Metric System Notes
• Category Sort Activity
• Metric Scavenger Hunt
• Price is right
• Exit Ticket
Metric System
aka
International
System of Units (SI
System)
Why do we use the metric system?
• Easy to use mathematically
• More divisions – improves accuracy of measurements
• Used internationally – easier to communicate
There are 7 base units
• Length = meter (m)
• Mass = kilogram (kg)
- Gram is commonly used (g)
• Time = seconds (s)
• Temperature = Kelvin (K)
• Count/Quantity = mole (mol)
• Electric Current = ampere (A)
• Luminous Intensity = candela (cd)
Prefixes
• Giga (G) – 109
• Mega (M) – 106
• Kilo (k) – 103
• Hecto (h) – 102
• Deka (D) - 101
• Base Unit – 1
• Deci (d) – 10-1
• Centi (c) – 10-2
• Milli (m) – 10-3
• Micro (u) – 10-6
• Nano (n) – 10-9
• Pico (p) – 10-12
Metric Mneumonic• Kids Have Dropped Over Dead Converting
Metrics
• K = Kilo
• H = Hecto
• D = Deka
• O = One (base unit) – 1 gram, 1 liter, 1 meter
• D = Deci
• C = Centi
• M = Milli
Metric Category
Sort Activity
Directions
Metric Scavenger
HuntWork in a small group to find objects that fit
into the categories. We will have a class discussion about the answers
Price is Right
Follow Ms. Ose’s Directions for the game
Exit Ticket (1)
• Complete the “estimation 2” column on the metric system warm up/ exit ticket worksheet
• We will discuss any changes that you made to the values listed
• Icebreaker • If you could go back in time and change one
thing, what would you change? • Would you rather have to carry an egg (and
not let it break), or wear a motorcycle helmet, everyday for the rest of your life ?
Exit Ticket (2)
• Icebreaker• Would you rather live in an igloo or a
teepee?• Would you rather be the smartest
person in the world or the richest person in America?