Curated OER
Adding in Our Heads
A good presentation on adding two-digit numbers. Learners are shown how to partition the numbers before trying to add them in their heads. A frog is the featured teacher of the PowerPoint, and he leads viewers through many problems and...
Arizona Department of Education
Area and Perimeter of Regular and Irregular Polygons
Extend young mathematicians' understanding of area with a geometry lesson on trapezoids. Building on their prior knowledge of rectangles and triangles, students learn how to calculate the area of trapezoids and other...
Curated OER
One-Digit Addition and Subtraction (B)
In this addition and subtraction worksheet, students find the sums and differences of one-digit numbers. Students solve 49 problems.
Curated OER
Rapid Addition and Subtraction
In this addition and subtraction activity, students solve as many of the 40 addition and subtraction math problems as fast as they can with as much accuracy as they can.
Curated OER
2-Digit Addition #5
In this addition worksheet, students complete 12 problems, adding one 2-digit number to another. A reference web site is given for additional activities.
Curated OER
2-Digit Addition #3
In this addition worksheet, students complete a total of 12 problems, adding one 2-digit number to another. A reference web site is given for additional activities.
Curated OER
Fun Math: Adding 1 and 2-Digit Numbers
In this addition worksheet, students solve a total of 15 problems, adding 1 and 2-digit numbers. Problems are accompanied by pictures.
Curated OER
Fun Math: Adding 1 and 2-Digit Numbers #2
In this addition learning exercise, students solve a total of 15 problems, adding 1 and 2-digit numbers. Problems are accompanied by pictures.
Curated OER
Fun Math: Adding 1 and 2-Digit Numbers #3
In this addition instructional activity, students solve a total of 15 problems, adding 1 and 2-digit numbers. Problems are accompanied by pictures.
TLS Books
Halloween Math Maze: Worksheet 1
After solving the twenty-six addition problems on this ghostly instructional activity, your class must find the path to the haunted house. By following the even-numbered sums, they will find the way! Answers are provided.
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, No Regrouping/Carry-on - Missing Digits
For this addition worksheet, 2nd graders find the missing digits in 20 two digit problems that do not require regrouping. They insert the digits in this timed worksheet.
Curated OER
Addition - Three 1-Digit Numbers
In this addition practice worksheet, learners practice their computation skills as they solve 30 problems that require them to add 1-digit numbers. Each problem has 3 addends.
Curated OER
Tic Tac Toe Math Addition 3
In this tic-tac-toe math game worksheet, students practice their two-digit addition skills as they play two rounds of the math game with a partner.
Curated OER
Tic Tac Toe Math Addition 5
In this tic-tac-toe math game worksheet, students practice their two-digit addition skills as they play two rounds of the math game with a partner.
Curated OER
The Multiplier (larger 2-digit by 1-digit numbers)
Students utilize number sense applications to multiply two digit numbers. They use "The Multiplier" and Internet source to partition and solve 2 digit by 1 digit multiplications. Students describe how to solve 2-digit by 1-digit...
Curated OER
Two and Three Digit Addition Worksheet
In this addition with carrying worksheet, students solve 12 problems in which 2 and 3 digit numbers are added. There is carrying on the page.
Curated OER
Two Digit Addition
In this addition worksheet, students solve 84 two digit addition problems. Worksheets are set up 12 problems to a page, 7 pages total.
Curated OER
Subtraction: Two Digit By One Digit With Regrouping
In this subtraction activity, 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.
Curated OER
Subtraction: One Digit from Two Digits With No Regrouping
In this subtraction learning exercise, 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.
Curated OER
Addition of Mixed Fractions
In this addition of mixed fractions with same two-digit denominators worksheet, students problem solve twenty five addition equations.
Curated OER
Addition Exercise #2
For this addition worksheet, students complete a total of 30 problems, adding 2 and 3 digit numbers. Answers included on page 2.
Curated OER
Percent Worksheet 15
In this percent worksheet, students calculate the percentages of two and three digit numbers. Students complete 18 problems where they calculate percentages.
Curated OER
Mathematics Lesson Plan
Second graders study subtraction facts. In this mathematics activity, 2nd graders discuss how to solve two digit subtraction problems. Students recognize that there are many different methods or strategies one can use such as using...