Curated OER
Subtracting Integers: Math, Physical Education, Dancing, Negative Numbers
Students demonstrate their understanding of positive and negative integers by adding and subtracting. More importantly, students explain why a negative number, subtracted from a negative number, changes the operation.
Curated OER
Part Part Whole
First graders solve number sentences. In this problem solving lesson, 1st graders construct addition sentences using a part part whole mat. Students demonstrate problem solving strategies using cubes.
Curated OER
Two-Digit Addition and Subtraction (M)
In this addition and subtraction practice worksheet, students find sums and differences of 49 problems by adding and subtracting 2-digit numbers with no regrouping.
Curated OER
Two-Digit Addition and Subtraction (N)
In this addition and subtraction practice worksheet, students find sums and differences of 49 problems by adding and subtracting 2-digit numbers with no regrouping.
Curated OER
Two-Digit Addition and Subtraction (O)
In this addition and subtraction practice worksheet, students find sums and differences of 49 problems by adding and subtracting 2-digit numbers with no regrouping.
Curated OER
Two-Digit Addition and Subtraction (K)
In this addition and subtraction practice worksheet, students find sums and differences of 49 problems by adding and subtracting 2-digit numbers with no regrouping.
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,...
Curated OER
Decimal Questions
Money and measurement are often expressed as decimal numbers. Here are 20 well-worded problems intended to put decimal numbers in a real-world context. Learners will add, subtract, multiply, and divide to determine the answer to each...
Curated OER
Fourth of July Addition and Subtraction
What is Thomas Jefferson signing? Focus on American history with this cross-curricular math puzzle. Learners utilize addition and subtraction skills to solve the mystery of the Fourth of July. All numbers are 3-digit, and there are no...
Curriculum Corner
7th Grade Math Common Core Checklist
With so many math standards to fit into a school year, it can be difficult keeping track of what you have and have not covered. This collection of Common Core checklists allows you to maintain a running record of when each...
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...
EngageNY
Writing and Expanding Multiplication Expressions
Find out what's so standard about standard form. Scholars learn to write multiplication expressions with variables in the 10th lesson plan in a series of 36. They use different symbols for multiplication and translate between standard...
Curated OER
Solve Story Problems: Sold! A Mathematics Adventure
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...
Curated OER
Fractions Everyday
Pupils investigate fractions through interactive videos and hands-on activities and class made models.
Curated OER
Add and Subtract Decimal Thousandths (C)
In this decimals learning exercise, students solve 50 problems in which decimal numbers to the thousandths place are added or subtracted. Problems will need to be rewritten on another paper.
Curated OER
Positive and Negative Activity
In this positive and negative worksheet, students use the positive and negative rules to rewrite and answer the 34 questions below, an example is provided for them.
Curated OER
Factor Fun for Fifth Graders
Fifth graders explore common factors. For this factorization lesson, 5th graders discover the greatest common factor among two numbers in a game format. Students build on previous knowledge to determine the greatest common factor.
Curated OER
Accentuate the Positive!
Students participate in an interactive online activity about adding, subtracting, multiplying, and dividing positive and negative integers. Students look at sample problems through out the activity and have the opportunity to complete ...
Curated OER
Understanding Whole Numbers
In this understanding whole numbers worksheet, 4th graders use a computer program for instruction, then answer 16 problems about addition and subtraction.
Curated OER
Using Graphs and Charts
Students complete T charts and manipulate numbers using graphs and charts. In this math graphs and charts lesson plan, students review the concepts of pattern and function. Students then complete practice pages where they manipulate...
Curated OER
One-Digit Addition and Subtraction [G]
In this addition and subtraction worksheet, learners complete a total of 49 problems, all adding or subtracting one digit numbers.
Curated OER
Two-Digit Addition and Subtraction
In this addition and subtraction worksheet, students enhance their addition skills by adding or subtracting the 2-digit equations. Students solve 49 problems.
Curated OER
Three-Digit Addition and Subtraction (G)
In this addition and subtraction activity, students solve 49 problems in which two 3-digit numbers are added or subtracted. There will be regrouping.
Curated OER
Math Word Problem-Add and Subtract
In this word problem worksheet, learners solve 1 word problem, adding digits, subtracting from an original number and matching to a given symbol.