Worksheet
Curated OER

Single-Digit Addition

For Students K - 2nd
In this single-digit addition worksheet, learners complete a total of 4 problems, joining problems to answers with a balloon string to match.
Worksheet
Curated OER

Addition

For Students 4th - 5th
In this mental addition worksheet, students read the method for adding a series of three 2 digit numbers without paper and pencil. Students solve 16 mental addition problems.
Worksheet
Curated OER

Addition Practice

For Students K - 2nd
For this addition practice instructional activity, students solve 60 problems that require them to add 1-digit numbers to 1 or 2-digit numbers with sums to 10.
Worksheet
Curated OER

Sums of 10

For Students 1st - 2nd
In this addition instructional activity, students solve a total of 50 problems adding 10 to 1-digit numbers. A website reference for additional resources is given.
Worksheet
Curated OER

Double Digit Fun

For Students 2nd
In this addition worksheet, 2nd graders solve the two digit addition problems by adding the ones first and then the tens. Students write their answers into the puzzle. Students solve 30 addition problems.
Worksheet
Curated OER

Addition Worksheet for Decimals (Two Digits)

For Students 4th - 5th
In these mathematical worksheets, students complete four pages of two digit decimal addition equations. Students must print their completed worksheets out in order to save their progress.
Lesson Plan
Curated OER

Addition Drill #3 (0-10)

For Teachers 2nd
In this math worksheet, 2nd graders solve 30 single-digit addition problems whose sums range from 0 to 10. Students notate their score, # correct and time.
Lesson Plan
Curated OER

Addition Drill #3 (0-18)

For Teachers 2nd
In this math worksheet, 2nd graders solve 30 single-digit addition problems with sums ranging from 0 to 18. Students notate their score, # correct and time.
Worksheet
Curated OER

Single-Digit Addition

For Students K - 2nd
In this single digit addition worksheet, students draw lines to match the answers to addition problems shown in balloons to their corresponding answers.
Lesson Plan
EngageNY

Scientific Notation

For Students 8th Standards
Young mathematicians learn how scientific notation is meant to save time. Part 10, out of a series of 15, asks scholars to recognize the correct use of scientific notation and finish by adding and subtracting numbers using...
Lesson Plan
West Contra Costa Unified School District

The Power of Ten: Building a Magnitude Model

For Teachers 4th - 5th Standards
Add visual representation to teaching place value with a magnitude model. Using adding machine tape, pupils build a linear place value strip from 1 to 100.
Lesson Plan
Curated OER

Solve Story Problems: Sold! A Mathematics Adventure

For Teachers K - 2nd
Young mathematicians listen to the book Sold!: A Mathematics Adventure by Nathan Zimelman where they encounter ways to solve story problems. They then create and solve start unknown addition and subtraction equations. Resource builds in...
Worksheet
Curated OER

Add and Subtract Decimals

For Students 4th - 6th
In this decimal worksheet, students read about adding and subtracting, then complete a set of 31 problems, adding, subtracting, solving for values of expressions and solving equations.
Worksheet
Curated OER

What Do You Think?

For Students 2nd - 3rd
In this estimating sums and differences worksheet, students solve 6 problems in which the answer to a 3 digit addition or subtraction problem is estimated. Students then solve the problem for an exact answer. There will be carrying and...
Worksheet
Curated OER

10 More

For Students 1st - 2nd
In this adding ten worksheet, students solve ten problems in which the number 10 is added to a two digit number. Students write their answers in oval shapes.
Worksheet
Curated OER

Fibonacci Trick

For Students 9th - Higher Ed
In this algebra instructional activity, students solve a puzzle starting with two single digit numbers and eventually conclude that the answer can be used with Fibonacci's pattern. There are 11 steps to the puzzle with a provided answer.
Worksheet
Curated OER

Quiz: Large Sums

For Students 2nd - 5th
In this addition quiz activity, students complete a quiz in which they add numbers between 100 and 100,000. There are 10 problems on the activity and each requires adding 3 different numbers. A grading scale is included at the bottom of...
Worksheet
Curated OER

Lowest Common Multiple

For Students 4th - 8th
In this lowest common multiple worksheet, students find the LCM of 2 digit numbers that don't exceed the number 20. Students complete 10 problems.
Worksheet
Curated OER

Addition with Counters

For Students 1st - 2nd
In this addition practice worksheet, students use the counting blocks to help them solve 6 problems that require them to add 1and 2 digit numbers.
Worksheet
Curated OER

Addition Exercises

For Students K - 1st
In this early childhood addition practice learning exercise, students use the pictured counters to solve 9 problems that require them to add 1 digit numbers.
Worksheet
Curated OER

The Ditionary Trick

For Students 9th - 12th
In this secondary mathematics worksheet, learners investigate a riddle involving the use of the dictionary and subtraction of three digit numbers.  The one page worksheet contains one problems with an explanation of why the trick...
Worksheet
Curated OER

Number Line Addition Problems

For Students Pre-K - K
In this addition worksheet, students use a number line to help them find the sums to 12 single digit addition problems. They use a number line that contains the numbers 0 - 10.
Lesson Plan
Curated OER

An Odd Pair of Eyes

For Teachers 1st
First graders explore odd and even numbers.
Worksheet
Curated OER

Use a Number Line to Add - Practice

For Students 1st
In this math worksheet, 1st graders use a number line to practice finding the sums in 18 single digit addition problems. They complete a test prep question in which they find a sum and explain which number they should count from and tell...