HUNTERTUTORING

Study Guide — K.OA.A.1

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Represent add and subtract

Show addition and subtraction with objects, drawings, and simple equations.

What this standard means

  • Show addition with objects and drawings
  • Show subtraction with take-away models
  • Connect stories to + and −
  • Read and write simple expressions

_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. Act out story problems with toys 2. Draw a picture then write 3 + 2 = 5 3. Clap for add, take away blocks for subtract

_See printable PDF for diagram._

Common mistakes

  • Mixing add and subtract in a story
  • Drawing without linking to the story
  • Writing equation before modeling

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.OA.A.1.

  • [ ] Models addition and subtraction within 10
  • [ ] Matches equation to a drawing
  • [ ] Creates own story for a given equation

Materials for this standard

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

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