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Worksheet
Curated OER

Working With Negative Numbers: Adding and Subtracting with a Number Line

For Students 5th - 6th
In this math worksheet, students practice addition and subtraction of positive and negative numbers using a number line to help. The 30 problems are written as questions in words.
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Worksheet
Curated OER

Change a Digit

For Students 2nd
In this tens and ones instructional activity, 2nd graders add 4 math problems together and write the sums using 10s and 1s models as shown. Students change a digit in 2 math problems from 1 number to another number in the blanks provided.
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Interactive
Curated OER

Polygons Multiple Choice

For Students 9th - 10th
For this geometry worksheet, learners identify the interior and exterior angles using the angle sum theorem. They identify and solve quadrilaterals using properties of quadrilaterals. There are 12 questions with an answer key.
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Worksheet
Curated OER

Word Problem Basics Worksheet

For Students 7th - 8th
In this word problem basics worksheet, learners read short sentences using the given clues to determine the answers to consecutive integers. Students examine terms dealing with odd integers, even integers and sum. These answers may be...
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Lesson Plan
Curated OER

Critical Thinking - Week 11

For Teachers 12th - Higher Ed
In this critical thinking worksheet, pupils complete problems which require abstract reasoning and logic. They complete logic puzzles involving sums of an array, finding the maximum number of integers under given conditions, and card...
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Lesson Plan
Curated OER

Infinite Geometric Series

For Teachers 11th
Eleventh graders investigate infinite geometric series.  In this Algebra II lesson, 11th graders explore partial sums of geometric series, converging and diverging series, and sums of infinite geometric series.   The TI-nspire handheld...
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Worksheet
Curated OER

Adding Single-Digit Doubles

For Students 2nd - 3rd
For this doubles addition worksheet, students solve 20 problems adding single-digit doubles, determine which doubles add up to given sums and add 10 "near doubles." A website reference for additional resources is provided.
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Worksheet
2
2
Macquarie University

Factorizing Algebraic Expressions

For Students 8th - 10th Standards
In this comprehensive worksheet, mathematicians solve and complete various types of problems on factoring and using the quadratic formula. This worksheet also includes the use of factoring to simplify rational expressions. Overall, it...
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Lesson Plan
Curated OER

Addition and Subtraction Facts to 20

For Teachers 2nd - 3rd
Fact families, and the relationship between addition and subtraction are the foucs of this lesson. Learners explore strategies to help with their addition and subtraction facts. They use doubles, related facts, and fact families to help...
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Lesson Plan
Curated OER

Polygons and Diagonals

For Teachers 6th - 9th
Students practice measuring the interior angles of given regular polygons and create a formula for finding the measure of th interior angles of any polygon. They determine the relationships between the number of vertices's or sides in a...
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Worksheet
Curated OER

Magic Squares Activity #2

For Students 2nd - 3rd
In this magic squares worksheet, students complete a set of 4 magic squares in which the sums of rows, columns and diagonals must be the same.
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Worksheet
Curated OER

Round and Estimate

For Students 3rd - 5th
In this estimation and rounding worksheet, students estimate sums or differences by rounding to the nearest hundred mile, then find the total distance from one given spot to another. 
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Worksheet
Curated OER

Equal Estimates- Decimals

For Students 3rd - 5th
In this decimal estimation learning exercise, students estimate a set of addition and subtraction problems, rounding to the nearest whole number, then place each problem in the box that contains its estimated sum or difference.
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Lesson Plan
EngageNY

Volumes of Familiar Solids – Cones and Cylinders

For Teachers 8th Standards
Investigate the volume of cones and cylinders. Scholars develop formulas for the volume of cones and cylinders in the 10th lesson plan of the module. They then use their formulas to calculate volume.
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Worksheet
Curated OER

Addition, Subtraction, Multiplication or Division?

For Students 2nd - 3rd
In this math instructional activity, learners solve 20 problems in which the math function symbols are missing. Students write the correct sign to make each equation correct.
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Worksheet
Curated OER

Using the Pythagorean Theorem

For Students 7th - 8th
In this using the Pythagorean Theorem activity, students find the length of the missing side for ten right triangles using the Pythagorean Theorem.
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Lesson Plan
Curated OER

Five Minute Adding Frenzy (B)

For Teachers 1st - 2nd
In this addition worksheet, students complete a five minute addition frenzy sheet. They complete 4 charts finding the sums of the columns and rows in each space. They have five minutes to finish each chart with 98% accuracy.
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Worksheet
Curated OER

Practice Adding Fractions

For Students 6th - 8th
In this math worksheet, students practice combining the fractions with unlike denominators. They find the common denominators before writing equivalent fractions to solve.
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Lesson Plan
Curated OER

Division

For Teachers 4th - 5th
Students use their knowledge of multiplication to learn problem solving strategies to solve division problems. In this division lesson plan, students play a circle game, work in small groups to review times tables, and solve division sums.
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Interactive
Curated OER

Adding Integers II

For Students 5th - 6th
In this adding integers activity, students solve 10 problems, adding integers. Students may click on hint or check answer buttons. Page has links to additional resources.
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Worksheet
Curated OER

Basic Calculus II: Numerical Integration

For Students Higher Ed
In this numerical integration activity, students approximate the value of an integral using the methods taught in the class. They use left-hand Riemann sums, right-hand Riemann sums, the midpoint method and the trapezoidal rule.
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Worksheet
Curated OER

Polygons

For Students 10th
In this polygons worksheet, 10th graders identify and define both a polygon and a convex polygon and then, they apply two theorems that involve the interior and exterior angles of a convex polygon. First, they find the sum of the...
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Worksheet
Curated OER

Elimination Using Addition and Subtraction

For Students 10th - 12th
In this systems of equations worksheet, students use the elimination method to solve systems of equations. An example and explanation is given at the beginning of the worksheet. This one-page worksheet contains ten problems.
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Lesson Plan
Curated OER

Patterns and Linear Functions

For Teachers 9th - 10th
Young scholars investigate the concept of a linear function. They use geoboards to find the interior angle sums. The sum of the angles is found to equal 180 degrees. Students also investigate quadrilaterals.