Study Guide — 2.MD.D.9
Generate measurement data by measuring lengths of several objects to…
Organize data in charts or line plots and answer questions about the display.
What this standard means
- Generate measurement data by measuring lengths of several objects to the nearest whole unit, or by making repeated measurements of the same object. Show the measurements by making a line plot, where the horizontal scale is marked off in whole-number units.
- Apply generate measurement data by measuring lengths of several objects to… with models and explanation
- Creates a graph from a data set
_See printable PDF for diagram._
How to use the 20 practice sets
| Sets | When to use | | --- | --- | | 1–5 | Intro — explore together, short written items | | 6–10 | Core skills — diagrams and written practice | | 11–15 | Mixed review — explain thinking | | 16–20 | Stretch — word problems and mastery tasks |
Pacing: 10–15 minutes per session.
How to practice
1. Collect simple data at home (favorite snack, pets) 2. Draw bar graphs or pictographs with labels 3. Read scales and intervals carefully
_See printable PDF for diagram._
Common mistakes
- Missing axis labels
- Incorrect scale intervals
Review and practice tests
1. Start Review 1/10 when sets 1–3 feel comfortable. 2. Move up one review level with little help. 3. Use Practice Test 4/10–6/10 for mid-standard checks. 4. Practice Test 10/10 is the mastery bar for 2.MD.D.9.
- [ ] Creates a graph from a data set
- [ ] Answers how many / how many more questions
- [ ] Interprets scales correctly
Materials for this standard
- Practice Problems — 20 printable sets
- Review — 10 difficulty levels
- Practice Test — 10 difficulty levels
- Answer key — for parents and tutors