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Worksheet
Curated OER

Comparison Worksheet: Most and Least

For Students Pre-K - 1st
In this counting and comparing numbers worksheet, students count the object groups in 3 problems. Students identify the group in each problem that has more objects than the other 2 groups.
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Worksheet
Curated OER

On the Farm - Enrichment 18.1

For Students 4th - 6th
In this square unit activity, students read the word problem about the pens Farmer Mathman wants to build for his animals. Students then use the table to guide them. Students draw their answers on grid paper and then answer the four word...
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Lesson Plan
Curated OER

Making a Quilt: Multiplication

For Teachers 3rd
Third graders explore their multiplication skills. They will use their problem solving skills to solve an everyday math problem that requires them to multiply numbers. This lesson incorporates the use a video titled "Blossom and Snappy...
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Worksheet
Curated OER

Numerical Analysis: Using the QR Algorithm

For Students Higher Ed
In this QR algorithm worksheet, students use the QR algorithm to solve an over-determined system of equations. This two-page worksheet contains 11 problems.
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Worksheet
Curated OER

Numerical Analysis: Polynomials

For Students Higher Ed
In this polynomial activity, students explore functions, determine the least square error, and explore quadratic spline interpolation. This two-page activity contains approximately six problems.
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Lesson Plan
Pennsylvania Department of Education

Problem Solving with Fractions

For Teachers 4th - 6th
Solve story problems using fractions or decimals. Then, determine the reasonableness of answers using estimation.The detailed lesson includes essential questions, vocabulary, a materials list, and links to related units.
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Lesson Plan
Virginia Department of Education

Line of Best Fit

For Teachers 10th - 12th Standards
Pupils work through a guided activity on fitting a linear equation to a set of data by entering the data into a calculator and trying to envision a line of best fit. They then have the calculator determine the least-squares line and...
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Lesson Plan
Curated OER

Area of Circles and Probability

For Teachers 8th - 12th
Students investigate the area of squares and circles. For this geometry lesson, students calculate the area and probability of simple events. They work on a laptop using Safari.
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Lesson Plan
Curated OER

The Luxor Hotel Contract

For Teachers 9th - 12th
High schoolers determine the surface area of the Luxor Hotel, using the square feet of the base, volume, and the volume formula. They create a scale model of the triangular/pyramid shaped hotel.
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Worksheet
Curated OER

Solving Quadratic Equations

For Students 9th
For this quadratic equations worksheet, 9th graders solve and complete 7 different problems that include factoring quadratics. First, they solve for the values of x that make the equation true. Then, students substitute their values into...
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Lesson Plan
Curated OER

Squares and Square Roots II

For Teachers 7th - 8th
Young scholars evaluate squares and square roots. Through practice, they discover the inverse relationship between squares and square roots. Students take notes, solve square root and square root problems, and classify numbers as...
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Activity
Computer Science Unplugged

The Muddy City—Minimal Spanning Trees

For Teachers 4th - 12th
What is the most efficient way to ensure everyone is connected? Individual pupils determine the least expensive route to pave roads in a fictional city. In doing so, they learn to find the minimal spanning tree for the situation. They...
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Assessment
Charleston School District

Review Unit 7: Real Numbers

For Students 8th Standards
Provide pupils with problems to check their understanding of the concepts within the unit. The seven-part series of lessons covers concepts related to irrational numbers. Learners convert between fractions and decimals, estimate the...
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Assessment
1
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Inside Mathematics

Two Solutions

For Teachers 9th - 12th Standards
Many problems in life have more than one possible solution, and the same is true for advanced mathematics. Scholars solve seven problems that all have at least two solutions. Then three higher-level thinking questions challenge them to...
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Lesson Plan
Curated OER

The Very Busy Spider

For Teachers 3rd - 4th
Youngsters explore visual arts by participating in a geometry identification activity. They read the book The Very Busy Spider and identify the techniques spiders use to create webs. Have you ever noticed that their webs are geometric...
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Worksheet
Curated OER

Comparison Worksheet: Most and Least 2

For Students Pre-K - 1st
For this counting and comparing numbers worksheet, students count the object groups in 3 problems. Students identify the group in each problem that has more objects than the other 2 groups.
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Lesson Plan
Curated OER

Dihybrid Punnett Squares

For Teachers 9th - 10th
Students construct Punnett squares to illustrate specific genotypic and phenotypic genetic outcomes. Students calculate the probability of achieving specific genotypic and phenotypic genetic oucomes, using dihybrid Punnett squares.
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Worksheet
Curated OER

The Jelly Bean Problem

For Students 7th - 12th
In this probability worksheet, students solve 1 word problem about the probability of drawing a particular color jelly bean out of a bag.  Students are given two bags with 4 jelly beans each.
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Lesson Plan
Curated OER

Square Roots, Number Classification, Ordering & Graphing

For Teachers 9th
Ninth graders identify numbers as rational or irrational. Using calculators estimation, and factoring methods, 9th graders compute the square root of numbers. They graph numbers in sequential order and round numbers integers to the...
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Lesson Plan
Curated OER

Group Rope Squares

For Teachers 5th - 12th
Students study how to better their cohesion and communication skills.  In this investigative lesson students work in teams and learn how to communicate better as they help to solve problems and communicate their needs. 
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Lesson Plan
Curated OER

Real World Problems

For Teachers 8th
Eighth graders solve real world problems.  In this solving real world problems lesson, 8th graders decorate a school cafeteria for a dance.  Students determine the number of balloons needed to put a balloon every foot for the 40 by 60...
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Lesson Plan
EngageNY

Modeling Relationships with a Line

For Teachers 9th - 10th Standards
What linear equation will fit this data, and how close is it? Through discussion and partner work, young mathematicians learn the procedure to determine a regression line in order to make predictions from the data. 
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Assessment
PBS

Working with Common Denominators: Assessments

For Students 4th - 6th Standards
Now that the practice is over, see if young mathematicians can utilize their new skills on finding common denominators and adding fractions. The assessment contains one map challenge and follows with skills practice. 
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Assessment
CCSS Math Activities

Smarter Balanced Sample Items: 7th Grade Math – Claim 3

For Teachers 7th Standards
Does the explanation make sense? Sample items highlight claim three, communicating reason, in the Smarter Balanced assessments. Teachers use the 16 items to help show pupils the importance of communication and reasoning within...