Montana Math MT.2.MD.9
The Standard
Generate measurement data and present the data in multiple ways. This standard should incorporate cultural context relating to Montana Indigenous Peoples and local communities.
2026 Montana Mathematics Content Standards
Teacher's field guide
What This Standard Means
What Students Need to Do
- Students measure several objects and record each length. They show the same measurements in two ways, such as a tally table and a dot plot.
What Mastery Looks Like
- A student measures five paper strips in inches and records each result once. Their tally table and dot plot have matching counts, and they can explain which length appears most often.
Common Misconceptions
- Students may start measuring at the ruler’s edge instead of zero. They may put only one dot above each length, even when several objects have that length.
How to Assess It
- Give each student five paper strips cut to 2, 2, 2, 3, and 4 inches. Ask them to measure the strips, make a tally table and a dot plot, and circle the most common length.
Lesson moves
Ways to Teach It
Give pairs six paper strips to measure in inches, then have them add one sticky note per strip to a class dot plot.
Show a tally table and dot plot of pencil lengths; ask, “How can you tell they show the same pencils?”
Play Match the Data with cards showing measurement lists, tally tables, and dot plots; have students find and fix one mismatched card.
Print public event flyers from a Montana tribal nation and a nearby town; measure their widths and show the results in two displays.
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Printable MT.2.MD.9 Worksheet
A ready-to-print activity worksheet aligned to MT.2.MD.9, with an answer key for the teacher on its own page. No account needed.
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