Missouri Department of Elementary
Relationships…Quality Control
Quality relationships don't just happen. They require nurturing, patience, thoughtful communication, and honesty. Help tweens develop these relationship skills with an activity that asks them to themselves and then outline a...
Curated OER
the Whale Game
Learners listen to whale stories and answer addition and subtraction problems in the stories. In this addition and subtraction instructional activity, students receive 20 goldfish. Based on the story they eat the goldfish....
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Add or Subtract Part 2
In this addition and subtraction learning exercise, students write and solve 6 number sentences to find the answers to each word problem. Students write their answers in a sentence format.
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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.
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Making Number Addition Stories
For this addition worksheet, students complete two 2-digit addition problems and then write a short story about each. A reference website is included.
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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.
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Using Addition to Subtract
In this using addition to subtract worksheet, learners, working with a partner, practice problem solving six word problems and equations.
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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...
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Solving Inequalities By Using Addition And Subtraction
Seventh graders solve inequalities using addition and subtraction. They write number sentences based on word problems.
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Adding Two-Digit Numbers
In this addition instructional activity, 2nd graders add 6 two-digit numbers together, use tens and ones as models and circle yes or no if they needed to regroup.
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Addition and Subtraction within 10
In this addition and subtraction worksheet, 1st graders add and subtract in word problems up to the number 10. Students complete 20 problems total.
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Making Addition Sums
In this addition learning exercise, students complete a set of 10 problems, writing 2 pairs of problems with the same given sum. A website reference is given.
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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.
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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.
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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.
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Problem-Solving Decision: Explain Your Answer - Reteach
In this problem solving activity, 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.
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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.
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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...
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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 plan explains and gives examples for all the basic algebraic properties. The resource is perfect to use as a way for pupils to...
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...
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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...
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Counting Dice
Using dice is a great way to practice addition in this simple instructional activity. 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...