Curated OER
Addition Worksheet: Totals 10 or Less #2
In this addition instructional activity, students complete a total of 35 problems, all answers to problems total 19 or less. Worksheet included links to answers and additional worksheets.
Curated OER
Math – Word Problems : Up to 2-digits Without Regrouping
In this addition and subtraction practice learning exercise, students solve 6 word problems that require them to add and subtract using 2-digit numbers.
Pennsylvania Department of Education
What Balances?
Students explore another meaning of subtraction as it pertains to the inverse of addition. In this what balances activity, students identify the concept of subtraction as a balance. Students use subtraction facts to generate addition...
Elementary AMC
Earth Day Math
Take some time this Earth Day to nourish the growth of your young mathematicians with this series of task cards. Whether it's the four basic operations, place value, money, or elapsed time, these conservation-themed problems...
Curated OER
The Case of the Missing Numbers
In this finding the unknown numbers worksheet, learners help Detective Digit solve addition and subtraction problems, match the answers with letters, and find the name of the number thief. Students solve and match 16 problems.
Curated OER
Add With No Regrouping
In this finding the sums worksheet, students add one digit-numbers plus two-digit numbers with no regrouping. Students solve 30 problems.
Curated OER
Codebreaker Math
Students solve addition and subtraction problems and decipher and write messages using a code. They read and discuss an informational fact sheet about the Navajo code talkers from World War II, and decode and re-code messages using math...
Curated OER
Write the Equations
In this writing equations to problem solve learning exercise, students read the addition and subtraction problems, write the one-digit and two-digit equations, and solve without regrouping. Students solve 15 problems.
Curated OER
Mystery Math
Here is an interesting "trick" your young mathematicians can perform. They are taught how to find any number's "digital root," by following a set of detailed instructions. The process works for any number, and is the type of math puzzle...
Curated OER
Addition Relay
Third graders, in pairs, use a bag of counters which can be dried beans, squares of papers, etc.
Curated OER
Addition and Subtraction sums and differences
In this sums and differences worksheet, students are given a one digit number and they have to make up the addition or subtraction problem to make it equal to the number. Students complete 36 problems.
Curated OER
Missing Addends - Inverse Operations
In this math worksheet, student find the missing addend in 28 single and double digit addition problems and write the corresponding subtraction problem.
Curated OER
Pattern Puzzles
A short video introduces place value in addition and subtraction. As a class, your students identify all even numbers up to one hundred and explain the pattern. They use addition strategies to fill in the missing numbers on the number grid.
Curated OER
Math in English Skills III Exercise Book: Understanding Fractions
Fractions can be tricky, and there is no better way to tackle tricky topics than with a visual representation. Intended for learners in grades two and three, this set of printable worksheets provides a variety of fractions represented in...
Curated OER
Care Homework #2
In this Care Homework worksheet, students solve a variety of multiple digit addition, subtraction, multiplication, and division problems that include fractions, decimals, and percentages. They demonstrate knowledge of geometric formulas...
Curated OER
Rounding and Significant Digits
Practice rounding numbers to a certain decimal by solving in-class problems. Learners will solve several multiplication, division, addition, and subtraction problems while rounding to a specific decimal. They will also check their work...
Curated OER
Jack and the Beanstalk Estimation
Students use estimation and pencil-paper calculations to help Jack and his mother solve a variety of life problems. They solve problems using various math operations, i.e., addition, subtraction, and measurement.
Curated OER
Not So Snappy 10
In this order of operations (i.e., addition, subtraction, multiplication, division) learning exercise, middle schoolers solve 3 word problems demonstrating their understanding of the concept.
Curated OER
Chart Trivia
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.
Curated OER
Addition and Subtraction Up to Two-Digits
In this finding the sums and differences instructional activity, students write the equations in the ones and tens columns and solve and also solve vertical problems with and without regrouping. Students solve 18 problems.
Curated OER
The Numbers Get Larger
Second graders examine how to use mental strategies for addition and subtraction. They look at part/whole strategies for multi-digit problems and define which one would be best used for a particular problem. They use tens frames to solve...
Curated OER
Magic Math
In this addition and subtraction worksheet, students solve the one digit addition and subtraction problems and create its counterpart number sentence. Students complete 10 problems.
Curated OER
Not So Snappy 5
In this order of operations (i.e., addition, subtraction, multiplication, division) worksheet, students solve 5 word problems demonstrating their understanding of the concept.
Curated OER
Subtracting Numbers up to 10
In this subtraction worksheet, students complete a set of 20 single digit addition problems. An answer key is included on page 2.