Study Guide — 5.NBT.A.2
Explain patterns in the number of zeros of the product when multiplyi…
Connect decimals to fractions and place value — tenths and hundredths.
What this standard means
- Explain patterns in the number of zeros of the product when multiplying a number by powers of 10, and explain patterns in the placement of the decimal point when a decimal is multiplied or divided by a power of 10. Use whole-number exponents to denote powers of 10.
- Apply explain patterns in the number of zeros of the product when multiplyi… with models and explanation
- Reads and writes decimals to hundredths
_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. Use base-ten blocks for tenths and hundredths 2. Write decimals on a number line 3. Compare decimals place by place
_See printable PDF for diagram._
Common mistakes
- Longer decimal means larger
- Misplacing the decimal point
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 5.NBT.A.2.
- [ ] Reads and writes decimals to hundredths
- [ ] Compares decimals using place value
- [ ] Relates decimals to fractions
Materials for this standard
- Practice Problems — 20 printable sets
- Review — 10 difficulty levels
- Practice Test — 10 difficulty levels
- Answer key — for parents and tutors