Curriculum / Math / 2nd Grade / Unit 3: Metric Measurement / Lesson 1
Math
Unit 3
2nd Grade
Lesson 1 of 13
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Lesson Notes
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Measure with equal-sized units.
I can measure objects with centimeter cubes and paper clips.
The core standards covered in this lesson
2.MD.A.1 — Measure the length of an object by selecting and using appropriate tools such as rulers, yardsticks, meter sticks, and measuring tapes.
2.MD.A.2 — Measure the length of an object twice, using length units of different lengths for the two measurements; describe how the two measurements relate to the size of the unit chosen.
The foundational standards covered in this lesson
1.MD.A.1 — Order three objects by length; compare the lengths of two objects indirectly by using a third object.
The essential concepts students need to demonstrate or understand to achieve the lesson objective
Suggestions for teachers to help them teach this lesson
5-10 minutes
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Tasks designed to teach criteria for success of the lesson, and guidance to help draw out student understanding
15-25 minutes
Three students used paper clips to measure the following rectangle. Paula says that the rectangle was 6 paper clips long, Adam says it was 5 paper clips long, and Karla says it was 8 paper clips long. Who do you agree with and why?
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Measure the length of the following images using centimeter cubes.
a.
b.
c.
d.
Find five items in your desk that you can measure.
a. Measure the length of each item first using centimeter cubes, and then a second time using large paper clips. Record your measurements in the table.
b. Looking at the measurements of each item, why are there more centimeter cubes than paper clips?
15-20 minutes
A task that represents the peak thinking of the lesson - mastery will indicate whether or not objective was achieved
Measure the length of the rectangle, first with centimeter cubes and then with large paper clips.
The rectangle is _____ centimeter cubes long.
The rectangle is _____ paper clips long.
Daily Word Problems, Warm Ups, and Center Activities are aligned to the content of the unit but not necessarily to the lesson objective, therefore feel free to use them anytime during your school day.
Next
Create and use a centimeter ruler to measure.
Topic A: Metric Measurement
Standards
2.MD.A.12.MD.A.2
2.MD.A.12.MD.B.6
Estimate and measure with centimeter rulers.
2.MD.A.12.MD.A.32.MD.B.6
Use appropriate tools to measure.
2.MD.A.12.MD.A.22.MD.A.32.MD.B.6
Measure and compare objects of different lengths.
2.MD.A.12.MD.A.4
Solve two-step story problems involving metric length within 100.
2.MD.B.5
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Topic B: Foundations of Number Lines
Connect features of rulers to number lines.
2.MD.B.6
Label and identify points on a number line.
Estimate points on a number line.
Subtract using a number line.
Add using a number line.
Topic C: Line Plots and Data
Interpret and answer questions about line plots.
2.MD.B.62.MD.D.9
Create line plots based on measurement data and ask and answer questions.
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