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Estimate, measure and record lengths using appropriate labels (nearest inch, foot, cm and m). (2.MD.1,3)
Tell and write time using analog and digital clocks to the nearest 5 minutes, using AM and PM. (2.MD.7)
Solve word problems involving calculating, comparing and making exchanges between coins and bills using the $ and ¢ symbols appropriately. (2.MD.8)
Draw, read and interpret picture graphs, bar graphs and line plots to represent data sets with up to four categories. (2.MD.9-10)
Concepts and Skills
* Power Standard Content
* Estimate, measure and record lengths
Describe how length measurements relate to the size of the unit chosen
Solve addition and subtraction word problems involving lengths given in the same unit
Represent whole numbers as lengths on a number line
* Tell and write time to the nearest 5 minutes using analog and digital clocks
* Solve word problems involving money
* Calculate and compare the value of coin and bill combinations
* Read and write money amounts in dollar and cents notation
* Create and interpret tally charts, tables, graphs, and line plots
Utilize graphs to ask and answer simple questions
Describe measurements of time (year, week, day) and temperature (Fahrenheit, Celsius)
Describe events using basic probability terms such as certain, likely, unlikely, impossible
A student in 2nd grade can demonstrate the ability to apply and comprehend critical language by describing the relationship between units of time and between units of length, asking and answering simple questions based on information found in graphs, explaining the meaning of probability, describing events using probability terms and explaining why a specific probability term was chosen to describe an event.
Coins (penny, nickel, dime, quarter)
Objects found in everyday life can be measured using standard and non-standard units of measurement.
Data collections facilitate answering questions, making generalizations, and predicting.
Factual Guiding Questions
What do we measure?
Why do we measure?
How do we measure?
What are different standard units of measure?
What information can we get from a table? A tally chart? A graph?
What are ways we can describe a set of data?
Conceptual Guiding Questions
Why do we use standard units of measure?
How can you use data to make predictions?
Why do we organize data?
Engaging/Debatable Guiding Questions
What problems may arise if we didn’t have tools for measurement in the world?
When do we need to measure accurately?
How do you decide whether the answer should be an exact answer or an estimate?
Describe the relationship between probability and fairness.