Study Guide — K.CC.A.3

Write numerals 0–20

Children learn to write numerals and match sets of objects to written numbers, including zero.

What this standard means

• Write numerals 0 through 20
• Match a set of objects to the correct numeral
• Understand 0 means no objects
• Form numerals with correct orientation

_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. Count objects, then write the numeral 2. Practice air-writing and tracing numerals 3. Use ten-frames to build 11–19

_See printable PDF for diagram._

Common mistakes

• Reversing digits (12 vs 21)
• Confusing teen numerals (15 vs 51)
• Skipping 0 or thinking 0 is “nothing to write”

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 K.CC.A.3.

• [ ] Writes 0–20 legibly
• [ ] Matches object sets to numerals
• [ ] Explains what zero means

Materials for this standard

• Practice Problems — 20 printable sets
• Review — 10 difficulty levels
• Practice Test — 10 difficulty levels
• Answer key — for parents and tutors