Adding Two Digit Numbers Without Regrouping Worksheets

Students add two-digit numbers using a strategy of their choice and explain their thinking before checking the sums.
Grades
Grades 2–3, Elementary
Pages
2
File type
PDF
Answer key
Included

Updated Jul 11, 2021

Subject
Math, Addition and Subtraction, Addition
Topic
Two-Digit Addition, Addition Strategies
Resource types
Worksheets & Printables, Worksheets
Answer key
Included
Standards
2.NBT.B.5

Product description

From the author

This worksheet is a great way for students to practice adding two-digit numbers using any strategy they choose. This flexibility allows students to find the method that works best for them, and ultimately helps them understand the concept better.

In the classroom

Teaching tips & learning objectives

Learning objectives

  • Add two-digit values accurately

  • Apply a learned strategy to each calculation

  • Explain place-value reasoning behind a sum

Teaching tips

  • Invite learners to solve one problem in two different ways and compare efficiency.

  • Ask explanations to name what happened to the tens and ones.

Skills covered

  • Two-digit addition

  • Strategy selection

  • Mathematical explanation

Good to know

Questions teachers ask about this resource

Do students explain how they added?

Yes. The directions ask learners to use strategies they have learned and explain their thinking for the two-digit sums.

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Curriculum

Standards, concepts & topics

Standards

  • 2.NBT.B.5

Core concepts

  • Adding two-digit numbers

  • Place-value strategies

  • Reasoning

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