Raytheon
Adding and Subtracting Decimals
For this adding and subtracting decimals instructional activity, students add and subtract numbers with decimals in word problems. Students complete 12 word problems.
Curated OER
Three Digit Addition With Regrouping Worksheet #1
In this addition worksheet, students solve 20 problems in which three digit numbers are added. There is regrouping on the page.
Teacher's Guide
Addition with and without Regrouping Valentine's Day
Young mathematicians practice adding one- and two-digit numbers with and without regrouping, in a Valentine's Day math activity.
Curated OER
Two-Digit Addition With Regrouping
Second graders practice two-digit addition with regrouping. In this addition lesson, 2nd graders use craft sticks to solve two-digit regrouping problems. Students solve problems on the chalkboard.
Curated OER
Grade 3: Palindrome Patterns
Third graders use addition to create numbers that are palindromes and organize their results to look for patterns. They make generalizations from patterns and practice reading large numbers and addition with regrouping.
Teacher's Guide
Two-Digit Addition without Regrouping
Youngsters practice adding two, two-digit numbers without regrouping. There are 15 equations to solve.
Curated OER
Regroup Ones and Tens
In this problem solving worksheet, students analyze the information on a data table about the sizes of bears. Students use the table to solve 4 problems in which addition with regrouping twice is used.
Curated OER
Adding Five Digit Numbers
In this addition learning exercise, students add five digit numbers. Students solve 12 problems with regrouping in some of them.
Curated OER
Addition Drills, part 3
Here's an addition drill for scholars who are already comfortable with regrouping. There are 30 horizontally-aligned problems here, each with two 2-digit addends. Mathematicians use three examples as reference as they solve each of...
Curated OER
Two Digit Addition with Regrouping
Students explore the concept of "regrouping." In this 2-digit addition with regrouping lesson, students create visual representations of combinations that equal ten using a tens frame. Students use manipulatives to represent the tens...
Curated OER
Two-Digit Addition With Regrouping
For this addition worksheet, students solve a total of 25 problems adding 2-digit numbers with regrouping. A website reference for additional resources is given.
Curated OER
Adding With Regrouping (B)
In this addition review worksheet, students use problem solving skills to solve 35 problems that require them to add 1 digit numbers with regrouping.
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
Two-Digit Addition All Regrouping (A)
In this addition worksheet, students solve 36 problems in which two digit numbers are added with regrouping. There is no instruction or example on this page.
Curated OER
Addition - No Regrouping
In this addition instructional activity, 3rd graders solve 30 addition problems with no regrouping. The problems all go up to the ten--thousandths place.
Curated OER
Triple Digit Addition
In this triple digit addition worksheet, students add and regroup. In his problem solving worksheet, students write answers for twenty problems.
Curated OER
Adding Multiple Digits Practice Sheets A and B
In these two finding the sums worksheets, students add two-digit and three-digit numbers with regrouping and four-digit and five-digit numbers with regrouping. Students solve 39 problems.
Curated OER
Adding 1- and 2-Digit Numbers (Regrouping)
This online learning exercise provides 30 practice problems in which learners add single- and double-digit numbers. The sums require regrouping, so even though the interactivity is catchy, no accommodation is made for the fact that...
Curated OER
Addition Practice: Various Digit (A)
In this math worksheet, pupils solve 49 problems in which 2, 3 or 4 digit numbers are added with regrouping. Problems are in vertical format.
Curated OER
Two-Digit Addition; With Regrouping (A)
In this addition worksheet, students solve 64 problems in which two digit numbers are added, with and without regrouping. There are no examples.
Curated OER
One Digit Addition With Regrouping
In this one digit addition worksheet, students solve a total of 64 problems, all adding one digit numbers together with regrouping.
Curated OER
Practice Adding
Challenge your first graders with 24 addition problems. The first section of problems use numbers from 5 to 64, while the second section contains problems adding three numbers together. The last few problems prompt young mathematicians...
Curated OER
Worksheet #9 Two Digit Addition With Regrouping
In this addition worksheet, students solve 20 problems in which two digit numbers are added. There will be carrying on this page.
Curated OER
Adding Decimals
Explore the practical uses of adding numbers with decimals as scholars add measurements and money. The first 12 equations are written vertically with half the sums requiring a dollar sign and half a unit of measurement. The next six are...