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...
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.
Math Worksheets Land
Add and Subtract Multi-Digit Whole Numbers
Help young mathematicians see the value in addition and subtraction. Offering one addition and one subtraction problem, this worksheet walks students step-by-step through the solutions of each, starting in the ones place and working...
Curated OER
Popsicle Stick Regrouping Fun
Learners demonstrate regrouping in subtraction. In this math computation lesson, students use popsicle sticks to practice the regrouping strategy. Learners practice several examples of regrouping problems in small groups.
Curated OER
Regrouping Ten Ones for One Ten
Students explore regrouping. In this hands-on math place value lesson, students construct models using connecting cubes and place value mats to solve simple addition problems that require regrouping.
Curated OER
Primary Understanding and Use of Place Value
Explore place value and regrouping with your class. They develop awareness of several ancient number systems and how they differ from the base ten system commonly used today. They play "Chip Trading" with partners to practice addition...
Curated OER
Two-Digit Addition With Regrouping
Second graders practice two-digit addition with regrouping. For this addition lesson, 2nd graders use craft sticks to solve two-digit regrouping problems. Students solve problems on the chalkboard.
Houghton Mifflin Harcourt
Unit 4 Math Vocabulary Cards (Grade 2)
Enhance math vocabulary instruction with a set of flash cards. The set displays words with bold font and corresponding picture cards with labels. Terms include estimate, regroup, round, add, and sum.
Curated OER
Two-Digit Subtraction With Regrouping
Students practice their subtraction skills by solving 2 digit subtraction equations the teacher lists on the board. In this subtraction with regrouping lesson, students use the regrouping method to solve the 2-digit subtraction equations.
Math Worksheets Land
Add up to Four Two-Digit Numbers - Step-by-Step Lessons
Okay, so your scholars are excelling at two-addend addition problems, but what about three or four? Here are some practice problems to stretch their math skills. They find the sums of six equations: two with two addends, two with three...
Savvas Learning
How Many Hundreds?
Mental math skills are really important to develop. Kids practice metal computation by first adding the hundreds then the tens and ones. There are nine addition and nine subtraction problems to solve. This attractive worksheet is...
Curated OER
Three-Digit Addition and Subtraction With Regrouping
Second graders access prior knowledge of addition and subtraction using two-digit numbers and calculate easily with them. In this three-digit addition lesson, 2nd graders learn to add and subtract three-digit numbers with and without...
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...
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
Subtraction
Second graders regroup two-digit numbers and solve advanced subtraction problems with regrouping; students use straw and cup manipulatives to demonstrate how to borrow from the tens place in order to solve the problem.
Curated OER
Subtraction Relay
Students play a team subtraction game, subtracting two-digit numbers and using addition to check their subtraction. They solve subtraction problems at the board while the team solves the same problem in their seats.
Curated OER
Investigation - Who is Right?
Third graders explore mathematics by solving problems in groups. In this math functions lesson, 3rd graders demonstrate their understanding of addition and subtraction by completing two digit math problems. Students define a list of math...
Curated OER
Addition and Subtraction
Students develop their own strategies to solve basic addition and subtraction facts. In this addition and subtraction lesson plan, students use strategies they already know and new ones to solve problems.
Curated OER
Adding and Subtracting Decimals
Students practice adding and subtracting numbers with decimals. In this decimals lesson plan, students use grid paper and money to learn how to add and subtract decimals.