Illustrative Mathematics
Regrouping
What number does 6 tens and 16 ones represent? How is it different from or similar to the number that 7 tens and 6 ones represent? This is the type of questions learners are asked to solve as a way to understand the concept of regrouping.
K-5 Math Teaching Resources
2-Digit Addition Template
Learning two-digit addition isn't about memorizing steps, it's about understanding place value. Support the development of your class's number sense with these addition mats that help children break apart two-digit numbers into tens and...
Elementary AMC
Earth Day Math
Take some time this Earth Day to nourish the growth of your young mathematicians with this series of task cards. Whether it's the four basic operations, place value, money, or elapsed time, these conservation-themed problems...
Curated OER
Addition Practice
In this addition worksheet, students practice their adding skills. Students are given twenty addition problems with missing sums or addends where students are to find the missing numbers.
abcteach
Simple Integer Addition
Add to your collection of math resources with this skills practice instructional activity. Offering dozens of addition problems with sums less than 100, this resource is a simple way to hone the basic skills of young mathematicians.
Curated OER
Addition Drills, part 5
Show scholars that if they can add up two addends, they can also add up three. Review the examples together before letting scholars try these 25 addition problems, each with three double or single-digit addends. Two of these add up to...
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
Addition Drills, part 2
Add them up! Scholars add up double-digit addends to find sums for 32 equations. There are three examples learners can reference if needed, and they have to regroup for many of these. The equations aren't numbered, so consider doing this...
Curated OER
Math Puzzle Picture
The key to solving this puzzle lies in the addition skills of young learners. The first step is to answer a series of decimal addition problems organized in a 4x5 grid. Then cut apart the page of puzzle pieces, each one including an...
Curated OER
Math Mammoth End of the Year Test - Grade 3
In this comprehensive diagnostic test worksheet, learners examine, study, calculate and solve 38 math problems. They work with a variety of basic math concepts and word problems.
Curated OER
Addition Worksheet
In this addition worksheet, learners will determine the sum of 20 double digit addition problems where they must utilize regrouping.
Curated OER
Fun Math 34
For this finding the sums worksheet, students add two-digit and three-digit numbers with regrouping on a page with fun clip art next tot each problem. Students solve 15 problems.
Curated OER
Two Digit Addition Without Regrouping
No regrouping required. Hone basic subtraction skills with 20 problems. Learners subtract double-digit numbers.
Curated OER
Two-Digit Addition: No Regrouping (A)
This worksheet provides 100 two-digit addition problems to solve. None require regrouping. The answer key is provided.
Curated OER
Two-Digit Addition: No Regrouping (B)
Young mathematicians practice adding two-digit numbers without regrouping. The worksheet includes 100 problems and an answer key.
Curated OER
Two-Digit Addition: With Regrouping (A)
This worksheet provides 100 opportunities for your class to practice adding two-digit numbers that require regrouping. An answer key is included.
Curated OER
Fun Math Worksheet 46
In this addition worksheet, students add five digit numbers together to find a sum. Students complete 15 addition problems with and without regrouping.
Curated OER
Fun Math Worksheet 48
In this addition worksheet, students add five digit numbers together to find a sum. Students complete 15 addition problems with and without regrouping.
Curated OER
Addition Practice: Various Digits (B)
Solve 100 problems on this math worksheet that requires adding two numbers with varying numbers of digits.
Curated OER
Fun Math Worksheet 45
In this finding the sums worksheet, students observe fun clip art and add five-digits plus five-digits numbers with regroupings. Students solve 15 problems.
Curated OER
Fun Math Worksheet 43
For this finding the sums worksheet, students observe fun clip art and add five-digits plus five-digits numbers with regroupings. Students solve 15 problems.
Curated OER
Three-Digit Plus Two-Digit Addition (A)
Young mathematicians solve 100 problems that require adding three-digit and two-digit numbers. Regrouping is required. The answer key is provided.
Curated OER
Fun Math Worksheet 44
In this solving sums worksheet, students observe problems and clip art and add five-digits plus five-digits with regroupings. Students solve 15 problems.
Curated OER
Study Buddies: Adding Three-Digit Numbers
In this math worksheet, students will work with a coach to solve a story problem in which they must add three-digit numbers. Students will follow a step-by-step process and notes are provided for the coach.