Worksheet
Curated OER

Addition

For Students 1st - 2nd
Looking for addition drills for your scholars to practice adding one and two-digit numbers? You've found it! Mathematicians examine an example before finding the sum of 16 equations, each of which involves one 2-digit addend and one...
Worksheet
Curated OER

Addition

For Students 4th - 6th
Those are some big addends! Challenge students to find the sum of 16 equations, each of which has at least three addends. They are adding, two, three, and four-digit numbers here, and regrouping is a given. Two example problems offer...
Lesson Plan
Curated OER

American Indian Math

For Teachers 3rd - 5th
Upper graders examine Native American culture while practicing mathematical concepts related to patterns and estimation. They will use mental math to add/subtract single digit numbers.
Worksheet
Curated OER

Adding Doubles Facts

For Students 2nd - 3rd
In this addition worksheet, students add one and two digit numbers that are doubles facts. Students complete 40 addition problems.
Worksheet
Curated OER

Addition of Negative Numbers

For Students 4th - 5th
In this addition worksheet, students add two one-digit and two-digit negative numbers with regrouping. Students solve fifteen online interactive problems.
Lesson Plan
Curated OER

Let's Trade

For Teachers 2nd
Second graders engage in a lesson which focuses on adding two-digit numbers and the regrouping process. They identify when the regrouping process is necessary and make appropriate "trades" to complete an addition problem.
Worksheet
Curated OER

Addition Without Regrouping

For Students 1st - 2nd
In this finding the sums learning exercise, students use a number line to help add one-digit and two-digit numbers with no regrouping. Students solve 20 problems.
Worksheet
Curated OER

Addition Wheels

For Students 2nd - 3rd
In this addition wheels worksheet, students use the center number to add to the one-digit numbers around the wheels. Students solve sixty-four sums.
Worksheet
Curated OER

Four Digit Addition

For Students 3rd
In this math worksheet, 3rd graders focus on four digit addition. Students complete twenty-five problems with no regrouping.
Worksheet
Curated OER

Addition Practice #4

For Students K - 1st
In this math worksheet, students solve sixteen addition problems. In each problem, students add two different one-digit numbers.
Worksheet
Curated OER

Addition Practice #3

For Students K - 1st
In this math learning exercise, students solve thirty addition problems. In each problem, students add two different one-digit numbers.
Worksheet
Curated OER

Standard written method for addition of two 3-digit numbers (1)

For Students 3rd - 5th
In this addition worksheet, students learn how to add two 3-digit numbers. They then solve the 12 addition problems on the worksheet. The answers are on the last page.
Lesson Plan
Curated OER

Adding Two- and Three-Digit Numbers

For Teachers 5th - 7th
In this adding two- and three-digit numbers worksheet, learners, with a partner, problem solve and calculate the answers to eight mathematical word problems and equations.
Worksheet
Curated OER

Double Digit Addition 1

For Students 2nd - 3rd
In this addition worksheet, students solve 20 problems in which two digit numbers are added with and without carrying. There are no examples on the page.
Worksheet
Curated OER

Fun Math

For Students K - 1st
In this finding the sum worksheet, learners add one-digit numbers plus one-digit numbers on a worksheet with clip art by each problem. Students solve 15 problems.
Lesson Plan
Curated OER

Ten More and Ten Less

For Teachers K - 3rd
Get learners to analyze two-digit numbers based on place value, and use manipulatives to add and subtract both 1 and 10. A place value chart is available, and you can project it during guided practice. Through visualizing...
Worksheet
Curated OER

Missing Numbers: Addition and Subtraction

For Students 2nd - 3rd
In this missing numbers activity, 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.
Worksheet
Curated OER

Addition: Three Addends

For Students 1st - 2nd
Learners add three single-digit addends to find their sums. There are 10 practice problems whose answers range from 0-10. 
Worksheet
Curated OER

Addition Word Problems to 20 Independent - Practice Worksheet

For Students 1st
First-grade mathematicians are encouraged to draw pictures to help solve ten word problems. Each of the problems will require your young counters to employ counting on strategies. The resource can be used for independent practice or...
Worksheet
Simply Worksheets

Addition Bingo 2

For Students 2nd - 3rd
For this addition worksheet, students add one and two digit numbers together and then play bingo in the squares they are in. Students complete 20 problems.
Lesson Plan
EngageNY

Decimal Expansions of Fractions, Part 1

For Students 8th Standards
Is it possible to add infinitely long decimals? As pupils complete the examples in the ninth lesson of this 25-part series, they determine that adding these decimals cannot be done without error. Their task is then to determine the size...
Worksheet
National Security Agency

Go One-on-One with Decimals

For Students 4th - 5th Standards
Shoot and score with three basketball-themed lessons about decimals. Young mathematicians compare game statistics, make trash can hoops, and play a data spinner game to practice identifying digits and values within decimal numbers.
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...
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.

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