Grade 2 Measurement and data: Free Course

About this course

Measurement and data connect number skills with everyday observations. This Grade 2 course covers length, time, money, picture graphs, bar graphs and line plots. Study the complete public source playlist from Khan Academy in English, with all 15 recordings in the on-site classroom. Original lesson titles, source order and repeated entries are preserved.

Course at a glance

What you’ll learn

• Estimate, measure and compare lengths.
• Read time and interpret money examples using US currency.
• Construct picture graphs, bar graphs and line plots.
• Answer questions using measurement and graph data.

Skills you’ll gain

• Length measurement
• Time and money
• Bar graphs
• Line plots

Course Overview

Length examples distinguish estimating from measuring and show why a result depends on the chosen unit. Comparing measurements and solving length stories turn those ideas into numerical questions. The time recordings practice reading a clock, while money examples use American coins and dollars; that currency context should remain explicit. Picture and bar graphs organize counts, and line plots display repeated measurement values. The course offers a collection of related Grade 2 skills rather than one continuous measurement investigation. Use consistent units and labels so that a number represents a meaningful length, time, amount or frequency.

How to study the course

• Videos 1–3: this part of the source list includes “Estimating lengths” through “Creating picture and bar graphs 2 exercise examples”. State the quantities and conditions before calculating. Keep a brief working note, revisit an unclear explanation and test one example before moving to another part of the material.
• Videos 4–7: this part of the source list includes “Length word problems” through “Telling time exercise example 1”. Keep equivalent expressions or representations connected. Keep a brief working note, revisit an unclear explanation and test one example before moving to another part of the material.
• Videos 8–11: this part of the source list includes “Measuring lengths with different units” through “Comparing lengths”. Check each operation with a small example before extending it. Keep a brief working note, revisit an unclear explanation and test one example before moving to another part of the material.
• Videos 12–15: this part of the source list includes “Counting American coins” through “Picture graphs”. Explain a result in words as well as symbols. Keep a brief working note, revisit an unclear explanation and test one example before moving to another part of the material.

Who is this for?

This course suits students, returning learners and anyone strengthening the specific mathematics named in the course. It also provides a recorded reference for revisiting a topic after an earlier lesson or study attempt. Choose examples appropriate to your background and allow time to work through the method instead of judging understanding only by how familiar the terminology sounds.

Before you start

Comfort with the preceding arithmetic or algebra skills is useful. Keep paper, a pencil and a calculator when a lesson uses one. Grade-specific courses assume the learner’s earlier grade-level knowledge.

Put the lessons into practice

Measure several household objects with the same safe measuring tool and unit. Record the values in a table and make a line plot, checking repeated lengths. Ask and answer a comparison question. Separately draw a clock time and a fictional US-coin amount, labeling each representation so the units remain clear.

This optional study activity is provided by WikiFree for independent practice. Keep your working notes and use the relevant classroom recording to check a step, definition or interpretation. It is not an instructor-marked assignment.

Certificate / Assessment

Watching the public videos and using WikiFree completion tracking does not award a certificate, academic credit, an examination voucher or instructor assessment. Use your practice output to review what you can explain and repeat independently. The recorded lessons provide study material; completion tracking records your progress through that material.

Frequently asked questions

Provider: Khan Academy. Videos play from the Khan Academy channel on YouTube.