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Curated OER
Two-Digit Addition and Subtraction (F)
In this addition and subtraction practice worksheet, students solve 49 problems that require them to add or subtract with 2-digit numbers.
Curated OER
Care Homework #1: Real Numbers
In this care homework worksheet, students add, subtract, multiply and divide numbers with decimals. They solve problems involving mixed numbers. Students find the area and perimeter of triangles and rectangles. This...
Curated OER
Shape Addition and Subtraction
In this addition and subtraction activity, students use the key with 10 shapes that have a corresponding number. Students solve 6 problems in which the geometric shapes alone are shown in an addition or subtraction problem. Students find...
Curated OER
Addition and Subtraction of Integers #1
In this addition and subtraction of integers #1 worksheet, students solve 120 two digit problems with positive and negative numbers; there are 2 different sheets on a page, each with 60 problems.
Curated OER
A Human Number Line
Sixth graders create a human number line through use of symbols, equality, inequality, addition, subtraction, solving equations and inequalities
Curated OER
Food Pyramid Power: Looking Back and Moving Forward
Students show their knowledge of properties of objects as it pertains to sorting and creating patterns. In this food pyramid power lesson, students show their ability to use whole numbers in different representations by appling...
Curated OER
PASS-N-PRAISE
Fifth graders take turns explaining, orally and in writing, how to solve multiplication problems that contain no more than three digit by two-digit numbers.
Math Mammoth
Grade 1 Worktext
Use graphing, counting, and number lines to help first graders learn about addition and subtraction. An array of worksheets and activities are an excellent resource for your math lesson, whether you are focusing on counting skills...
Curated OER
Investigation - Who is Right?
Third graders investigate two mathematic scenarios and determine which is correct. They compare adding columns and places (such as the tens place, hundreds place, and so on) and familiarize themselves with how to add larger numbers.
National Security Agency
Fraction Fever
This unit on fractions allows for upper-aged elementary learners to explore ways to find the greatest common factor and least common multiple of two numbers. Ultimately, young mathematicians will be able to identify equivalent fractions,...
California Education Partners
John's Trip Disneyland
It all adds up to one. Pupils solve several items that involve finding sums of fractions in relationship to a whole. The assessment task uses fractions with unlike denominators to determine the amount of a tank of gas and the amount of...
Curated OER
Frogs Hopping by 2s
Hop to it! Beginning counters fill in water lily number sequences as a frog "hops" across them, skip counting by twos. There are five sequences in total, and some require counting backward. Learners can reference the two examples, which...
PBS
Patterns to the Rescue!
Track down the Cyberchase episode that this lesson is associated with. Using a worksheet that is embedded in the plan, learners must find the next two numbers and shapes (a double pattern). Once these have been discovered, pupils try...
Curated OER
Subtraction Word Problems #1
Practice subtraction skills and word problem strategies with your second graders. After reviewing the example at the top of the page, learners solve 14 word problems involving subtraction. A great way to practice mental math!
Illustrative Mathematics
Discounted Books
Adolescents love to shop, especially when an item is discounted. Here, shoppers only have a set amount of money to spend. Will they be able to make a purchase with the discount and tax added in? Percent discounts can be calculated...
Houghton Mifflin Harcourt
Unit 2 Math Vocabulary Cards (Grade 4)
The 28-page resource contains cards with terms relating to multiplication from inverse operations to front-end estimation to array. Each sheet contains two cards; one with the word and one with the definition.
Curated OER
Matrix Madness!!
Perform operations to add, subtract, multiply and divide matrices. Then solve problems with vectors using matrices. A three day lesson: Matrix Madness, Mystical Matrices, and Decode the Encode. The last lesson has prizes that the class...
Noyce Foundation
Cat Food
Determine the right mix of cans of cat food. The resource consists of an assessment task to determine the cost to feed two cats for a specific number of days and requires scholars to interpret remainders within a context....
Education Development Center
Adding Fractions with Unlike Denominators
If the fractions don't have a common denominator, make them have one. Learners first read and analyze a conversation of pupils trying to add 2/5 and 1/2. They compare the process of adding fractions to the process of adding quantities...
Alabama Learning Exchange
Sky High
How are skyscrapers built? What does it take to make a structurally sound building? How can one work within a budget to complete a building project? These guiding questions will be investigated and answered within a hands-on...
Curated OER
Subtracting Integers
In this mathematics worksheet, 6th graders subtract a number, add its opposite, and explain what opposites are, giving an example of two numbers that are opposites. Then they subtract each integer by adding its opposite.
Curated OER
Subtracting Integers
In this subtracting integers worksheet, students complete problems and fill in charts that require them to subtract integers. Students complete 8 problems.
Curated OER
Checking Subtraction with Addition and Writing Number Sentences
In this math activity, students complete 12 subtraction problems which they check with addition. They solve 6 short mixed word problems and write a number sentence for each while solving it.
Curated OER
Extreme Elevations
Seventh graders use highest and lowest points of land elevation around the world to find the differences. Sea level is zero, so students be operating with positive and negative numbers. After students find the information on the...