Worksheet
Curated OER

Missing Numbers: Addition and Subtraction

For Students 2nd - 3rd
In this missing numbers worksheet, students fill in missing numbers to complete a set of 8 problems using addition or subtraction. A reference web site for additional resources is given.
Assessment
Concord Consortium

Last Digit Arithmetic

For Students 7th - 10th Standards
Mathematics involves a study of patterns. The exploratory lesson has learners consider the addition pattern in different sets of numbers. Each set has a different pattern that pupils describe mathematically. The patterns involve...
Worksheet
Curated OER

Adding 4 to a Single Digit

For Students K - 2nd
In this addition worksheet, students solve 10 math problems in which they add the number 4 to a single digit number. The answers are on the second page.
Worksheet
Curated OER

Adding 9 to a Single Digit

For Students K - 2nd
In this addition worksheet, students solve 10 math problems in which they add the number 9 to a single digit number. The answers are on the second page.
Lesson Plan
Curated OER

Two-Digit Addition

For Teachers 1st - 3rd
In this finding the sums worksheet, students use a number line to add two-digit numbers without regrouping. Students solve 20 problems.
Worksheet
Curated OER

Addition With One and Two Digit Numbers

For Students 2nd
In this addition with one or two digits learning exercise, 2nd graders complete 10 horizontal addition problems. They place the sums in the shape at the end of the equation.
Worksheet
Curated OER

Two Digit 4

For Students 2nd
In this addition worksheet, 2nd graders add pairs of two digit numbers to complete twenty five problems. Answers are included as a second page to this file.
Worksheet
Curated OER

Two Digit 4

For Students 4th
In this addition worksheet, 4th graders add twenty-five double digit numbers together ranging from eleven to forty-eight. Students write their answers on the worksheet.
Worksheet
Curated OER

Double Digit Addition - Regrouping

For Students 2nd - 3rd
In this addition practice worksheet, students solve 75 problems that require them to add 2-digit numbers to 2-digit numbers. The problems require students to regroup.
Worksheet
Curated OER

Three Addends

For Students 2nd
In this addition worksheet, 2nd graders add single digit numbers using three addends. Students complete 18 problems for mastery and circle the addend they used first .
Worksheet
Curated OER

Single Digit Addition Facts

For Students 1st - 2nd
In this addition worksheet, students solve 20 problems in which single digit numbers are added. These are basic addition facts in vertical format.
Worksheet
Curated OER

Addition Exercises

For Students 1st - 3rd
In this addition worksheet, students add one digit numbers together with up to 5 numbers in each problem. Students complete 9 problems.
Lesson Plan
Curated OER

Napier's Rods

For Teachers 4th - 6th
Young mathematicians explore the concept of multiplication using Napier's Rods. They use Popsicle sticks to create a 3D model of Napier's Rods. Pupils multiply multiple digit numbers using Napier's Rods.
Worksheet
Curated OER

Addition Sentence Match Worksheet

For Students K - 2nd
Beginners to addition will benefit from this twist on number sentences. For each of the six addition problems, they begin with the sum and examine eight pairs of addends, circling all that equal the number. This will get your class...
Worksheet
Curated OER

Addition: Number Bonds to 30

For Students 2nd - 4th Standards
For this addition worksheet, students fill in the missing addend to an addition problem that adds up to 30. This number could be a one or two digit number. Students complete 41 missing addend problems.
Worksheet
Curated OER

Add or Subtract

For Students 1st - 2nd
In this math worksheet, students solve thirty addition and subtraction problems. The problems contain one-digit and two-digit numbers.
Worksheet
Curated OER

Adding 2 to a Single Digit

For Students K - 2nd
In this addition worksheet, students solve 10 math problems in which they add the number 2 to a single digit number. The answers are on the second page.
Worksheet
Curated OER

Grouping Numbers

For Students 2nd
In this grouping numbers worksheet, 2nd graders study 3 groups of numbers, circle the sentences that best describes the numbers and then write another number that fits the group.
Worksheet
Curated OER

Add Three Numbers

For Students 3rd - 5th
For this addition worksheet, students solve 4 word problems where they must find the sum of 3 addends. The addends are 1 and 2 digit numbers.
Worksheet
Curated OER

Three-Digit Addition and Subtraction (K)

For Students 3rd - 4th
In this mixed addition and subtraction worksheet, students add and subtract three-digit numbers with some regrouping. Students solve 49 problems.
App
One Billion

Math, Age 3-5

For Students Pre-K - 1st Standards
Jump start children's math education with this fun basic skills resource. Offering dozens of different touch-and-swipe activities with colorful graphics, this program is perfect for all young learners.
Lesson Plan
Code.org

Practice PT - Design a Digital Scene

For Teachers 9th - 12th
The final performance task for the unit requires class members to utilize what they have learned to create a personal digital scene. Groups work together to develop a scene and then, using top-down design, break the scene into...
Lesson Plan
National Security Agency

Borrowing from Our Neighbors

For Teachers 2nd - 4th Standards
Young mathematicians explore two-digit subtraction. They will investigate multiple ways to subtract numbers involving regrouping. Resources are provided.
Lesson Plan
Curated OER

Add the Problems

For Teachers 1st - 2nd
In this math worksheet, students practice addition of three 1-digit numbers in a column. There are 12 problems on the page written vertically.