Worksheet
Curated OER

Sums

For Students 1st - 3rd
In this addition worksheet, students solve 12 problems in which two digit numbers are added, both with and without regrouping.
Worksheet
Curated OER

Two-Digit Addition Problems With Regrouping

For Students 1st - 2nd
In this math worksheet, students solve two-digit addition problems with regrouping. The worksheet includes a number line to help students solve the problems.
Lesson Plan
Curated OER

Do You Carry the Ball?

For Teachers 2nd - 5th
In this addition worksheet, young scholars add two digit numbers together with and without regrouping. Students complete 9 problems total.
Worksheet
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Subtraction: Two Digit By One Digit With Regrouping

For Students 3rd Standards
In this subtraction worksheet, 3rd graders find the differences to 30 problems in which they subtract a one digit number from a two digit number. They regroup as needed.
Lesson Plan
Curated OER

Regrouping

For Teachers 2nd - 3rd
Students practice regrouping using the wonderful manipulative - unifix cubes. Once they have a tactile understanding of regrouping, students complete 5 worksheets containing addition problems that require regrouping. The worksheets...
Worksheet
Curated OER

Four-Digit Addition without Regrouping

For Students 2nd - 3rd
In this 4 digit addition worksheet, students solve the 15 four digit addition equations by finding the missing numbers in the equations.
Worksheet
Curated OER

Subtraction Worksheet : Numbers to 19 (1 of 3)

For Students 1st - 2nd Standards
In this subtraction learning exercise, students find the differences to 53 horizontal and vertical subtraction problems. They work with numbers up to 19 and do not regroup while working.
Lesson Plan
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The School Store

For Teachers 1st - 2nd
Students choose between the operations of addition or subtraction to solve a real life problem. In this addition and subtraction instructional activity, students make a chart of items sold in the school store. Students then work in teams...
Lesson Plan
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Subtraction

For Teachers 2nd
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.
Lesson Plan
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Number Sense

For Teachers 1st
First graders practice rounding 4 digit numbers using place value concepts. In this estimating sums and differences lesson, 1st graders explore clustering, rounding, and front end estimation as methods for rounding decimals.
Worksheet
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Summer School Math Worksheets --Addition and Subtraction

For Students 2nd - 3rd
For this math worksheet, students solve 100 addition problems in which 2 digit numbers are added, with and without carrying. Students then solve 100 subtraction problems with 2 digits, with and without regrouping.
Lesson Plan
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Make a Match

For Teachers 2nd
Second graders examine the relationship between addition and subtraction. For this number sense lesson, 2nd graders practice their computation skills and use various strategies (including manipulatives and calculators)  to...
Lesson Plan
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Relationship Between Addition and Subtraction

For Teachers 2nd - 3rd
Students are taught how to add and subtract and use number sense to solve basic math problems. In this addition and subtraction lesson, students are being taught using theories from different philosophers in education. They are given a...
Lesson Plan
Curated OER

Subtraction Relay

For Teachers 2nd - 4th
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.
Lesson Plan
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A Secret Code

For Teachers 2nd - 3rd
In this addition and subtraction worksheet, students solve for problems to complete the riddle about George Washington.  Students solve 20 two digit problems of addition and subtraction with some regrouping necessary.
Lesson Plan
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Dinosaur Math

For Teachers 2nd
Second graders practice vocabulary related to measurement, mathematics, and dinosaurs. Using the engaging topic of dinosaurs, learners will calculate various information about dinosaurs and use measurement vocabulary. They will also...
Worksheet
Curated OER

Animal Jr. Christmas Worksheet

For Students 2nd - 3rd
In this Christmas animal math worksheet, learners solve 36 single and double-digit addition problems and then follow the coloring key and color in each sum a different color.
Lesson Plan
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Chart Trivia

For Teachers 1st - 3rd
Students practice addition and subtraction problems and answer questions using greater than and less than. They chart information to create a graph on the computer.
Lesson Plan
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Career Stories

For Teachers 2nd
Second graders write and solve word problems related to career stories.
Unit Plan
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Olympic Games - Can You Measure Up?

For Teachers 5th - 6th
Students complete 6 units to learn about Ancient Greece and the Olympic games through physical education activities as well as math activities. In this Ancient Greece lesson, students complete multiple activities in 6 lessons including...
Activity
Lizard Point Quizzes

Lizard Point: Addition Practice

For Students Pre-K - 1st Standards
Practice several different levels of difficulty of addition problems from single digit all the way up to 3 digit with regrouping. You can also choose single digit addition with negative numbers. When you are finished you can print your...