Curated OER
Column Addition (No Regrouping)
In this column addition worksheet, learners add two and three digit numbers together without regrouping. Students complete 15 addition problems.
Curated OER
Three-Digit Addition
Students work with hundreds place value, create and manipulate three-digit addition problems, and add three-digit numbers.
Curated OER
Three Digit 1
In this addition practice worksheet, 2nd graders add two and three digit numbers to solve twenty-five problems. Answers are included on the second page of this file.
Curated OER
Introduce Double-Digit Addition
Young scholars generate a list of numbers then classify them into groups of single digit and double-digit numbers. After listening to a children's book about double-digit addition, they work with tens and ones blocks to solve...
Curated OER
Add Different Digits - Vertical
In this finding the sums learning exercise, students add mixed numbers from two-digits to five digits with regrouping. Students solve 12 problems.
Math Salamanders Ltd.
Column Addition - 4 Digits and Multi-Addends
In this addition worksheet, students complete a set of 12 problems by adding three- and four-digit numbers. A reference website is provided for additional activities.
Curated OER
Add It Up In Number Ville! Adding 2-Digit Numbers With and Without Regrouping
Students explore adding 2-digit numbers. In this math lesson, students identify 2-digit numbers and use base ten blocks to practice adding. Students use addition to break a code.
Curated OER
Column Addition - 4 Digits
Third and fourth graders write out the horizontal 4-digit addition problems into columns. Puils solve the 12 column addition problems.
Curated OER
Two Digit 3
In this addition activity, students add two digit to two digit numbers for twenty-five problems. Regrouping is used for several of the problems. Answers are included with this activity.