Curated OER
Estimating Sums and Differences
In this estimation worksheet, 4th graders estimate the sum or difference of 15 math problems. Students write their answers underneath each math problem on the worksheet.
Curated OER
Addition
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.
Curated OER
Making Number Addition Stories
In this addition worksheet, learners complete two 2-digit addition problems and then write a short story about each. A reference website is included.
Curated OER
Using Addition to Subtract
In this using addition to subtract worksheet, students, working with a partner, practice problem solving six word problems and equations.
Curated OER
Addition: Two Digit Mental Addition
In this 2-digit addition worksheet, students learn how to solve 2-digit math problems in their heads instead of on paper. They then solve the 20 problems on the worksheet. The answers are on the last page.
Helping with Math
#6: Addition and Subtraction Equations (2 of 2)
This printable contains 12 basic equations to be solved. The first one is worked out as an example, and the answers for all can be found by clicking on a "Show Answers" box found on the website. The publisher has identified this as...
Curated OER
Solving Inequalities By Using Addition And Subtraction
Seventh graders solve inequalities using addition and subtraction. They write number sentences based on word problems.
Curated OER
Adding Two-Digit Numbers
In this addition worksheet, 2nd graders add 6 two-digit numbers together, use tens and ones as models and circle yes or no if they needed to regroup.
Curated OER
Addition and Subtraction within 10
In this addition and subtraction learning exercise, 1st graders add and subtract in word problems up to the number 10. Students complete 20 problems total.
Curated OER
Making Addition Sums
In this addition worksheet, students complete a set of 10 problems, writing 2 pairs of problems with the same given sum. A website reference is given.
Curated OER
Adding Mixed Numbers
In this math worksheet, students find the solutions to the problems using addition for the mixed numbers. The answers are used to complete the coded message.
Curated OER
Adding Mixed Numbers
In this mathematics activity, 5th graders add and write the equivalent fraction with a common denominator. Then they add and rename the result if needed giving it in lowest terms. Students also solve each of the word problems at the bottom.
Curated OER
Addition of Fractions and Mixed Numbers II
In this math worksheet, students add mixed and whole numbers in 4 problems. They solve 4 short word problems that include mixed numbers based on measurements.
Curated OER
Problem-Solving Decision: Explain Your Answer - Reteach
In this problem solving worksheet, 3rd graders solve 3 word problems in which they add or subtract with three digit numbers. They write an explanation of how they solved the problem.
Curated OER
Adding and Subtracting With Negative Numbers
Fifth graders access prior knowledge of calculating using a number line. In this adding and subtracting with negative numbers lesson, 5th graders use a number line to solve math problems.
Curated OER
Balancing Number Sentences to Introduce Missing Values
Students balance number sentences to learn about missing values. In this balanced equations lesson, students use the word problem to study missing values. Students watch a video about the topic and play two games about balancing...
Curated OER
Two Digit 3
In this addition worksheet, students add two digit to two digit numbers for twenty-five problems. Regrouping is used for several of the problems. Answers are included with this worksheet.
Willow Tree
Number Properties
The number of basic algebraic properties can become overwhelming for learners. A lesson explains and gives examples for all the basic algebraic properties. The resource is perfect to use as a way for pupils to organize and...
West Contra Costa Unified School District
Lowest Common Multiple through the Grades
The LCM will be your new BFF. Learners review least common multiple and least common denominator applications, mostly on fractions, from middle school. Scholars then see how the LCM can be applied to various types of problems from...
Curated OER
One More or One Less?
Hook new mathematicians with a candy-themed approach to addition and subtraction. They examine 10 numbers (not exceeding 19) printed on candy wrappers. For each, learners calculate and record numbers with values one more and one...
Curated OER
Counting Dice
Using dice is a great way to practice addition in this simple worksheet. Young learners examine three rolls of two dice each. They add the values of each die, writing an addition problem with an answer. There is an example for them to...
Curated OER
And 2 More Makes...
If we add two more, how many does it make? Before youngsters start with addition, give them this clearly worded exercise to help them grasp the concept. Kindergartners focus on the term more as they examine...
Curated OER
Hazardous Products Substitutes
Third graders write a hazardous products substitutes recipe book. For this Science lesson, 3rd graders identify words and symbols that indicate hazardous substances. Students investigate safe substitutes and write a recipe book to use at...
Curated OER
Going Graph-y
Second graders listen to and dicuss the story Where the Wild Things Are. They play a pantomime game and act out various feelings so their classmates can guess. They listen for the frequency of certain words, and record their findings on...