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Grade 2operationsOriginal practice

Understand Regrouping in Addition: Explore and Explain

Exchange ten ones for one ten when adding two-digit numbers. A focused learn activity. Use the linked unit for the learning sequence and teaching guide.

Continue this learning sequence

Unit goals and teaching guide →
  1. Complete practice
  2. 1. Explore
  3. 2. Practice
  4. 3. Apply

Independent activity · About 10 minutes · Pencil

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Page layout

0 practice pages · 0 answer pages. Pages are added automatically when needed. Question content and answer keys stay together.

Sheet E0503182 · questions and answers share this ID

About this practice

Grade 2 · math · Matching answer key included · US Letter and A4

Preview the original practiceUnderstand Regrouping in Addition: Explore and Explain: first student practice page

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Teaching guide, sample answers and curriculum references

Before you begin

Review the key words and representations in Understand Regrouping in Addition. Use the Explore activity to check readiness before removing support.

How to use this worksheet

  1. Begin with: How many tens and ones equal 13 ones?
  2. Connect the response to: Solve 48 + 16.
  3. Ask students to apply the idea: Solve 23 + 14. Is exchanging ten ones necessary?

A common mistake to discuss

Accepting an answer without checking whether it uses the material and satisfies the requested relationship or criteria.

What to practice next

Continue to Understand Regrouping in Addition: Practice Independently.

Original instructional material written for this practice.

Published 2026-10-04; updated 2026-10-04. Original MakeWorksheet practice. Automated consistency checks support publication; independent subject-specialist review is not recorded. Read our editorial policy.

Continue practicing

Understand Regrouping in Addition: Apply and Create: first student practice pagePractice preview
Grade 2
Key

Understand Regrouping in Addition: Apply and Create

Apply · Independent · 15 min

Exchange ten ones for one ten when adding two-digit numbers. A focused apply activity. Use the linked unit for the learning sequence and teaching guide.

Printable activity
Understand Regrouping in Addition: first student practice pagePractice preview
Grade 2
Key

Understand Regrouping in Addition

Practice · Independent · 25 min

Exchange ten ones for one ten when adding two-digit numbers. A complete set with exploration, practice and application. Use the linked unit for the learning sequence and teaching guide.

Printable activity
Understand Regrouping in Addition: Practice Independently: first student practice pagePractice preview
Grade 2
Key

Understand Regrouping in Addition: Practice Independently

Practice · Independent · 10 min

Exchange ten ones for one ten when adding two-digit numbers. A focused practice activity. Use the linked unit for the learning sequence and teaching guide.

Printable activity
Exchange a Ten to Subtract: Apply and Create: first student practice pagePractice preview
Grade 2
Key

Exchange a Ten to Subtract: Apply and Create

Apply · Independent · 15 min

Exchange one ten for ten ones in subtraction. A focused apply activity. Use the linked unit for the learning sequence and teaching guide.

Printable activity