Study Guide — 4.MD.A.1
Know relative sizes of measurement units within one system of units i…
Tell and write time to the nearest hour, half hour, or minute as required.
What this standard means
- Know relative sizes of measurement units within one system of units including km, m, cm; kg, g; lb, oz.; l, ml; hr, min, sec. Within a single system of measurement, express measurements in a larger unit in terms of a smaller unit. Record measurement equivalents in a two-column table. For example, know that 1 ft is 12 times as long as 1 in. Express the length of a 4 ft snake as 48 in. Generate a conversion table for feet and inches listing the number pairs (1, 12), (2, 24), (3, 36), ...
- Apply know relative sizes of measurement units within one system of units i… with models and explanation
- Tells time on analog and digital displays
_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. Practice with analog and digital clocks 2. Draw clock faces for given times 3. Connect time to daily routines
_See printable PDF for diagram._
Common mistakes
- Confusing hour and minute hands
- Off-by-one hour errors
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 4.MD.A.1.
- [ ] Tells time on analog and digital displays
- [ ] Draws clock faces for given times
- [ ] Uses a.m. and p.m. correctly when applicable
Materials for this standard
- Practice Problems — 20 printable sets
- Review — 10 difficulty levels
- Practice Test — 10 difficulty levels
- Answer key — for parents and tutors