Curated OER
A Number is X% of What Number?
In this algebra worksheet, students solve for the base of a number given the percent and its partial amount. There are 10 questions.
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Convert Time from 12 hr System to 24 hr System
In this time instructional activity, students convert the times given from a 12 hour system to a 24 hour system. Students complete 9 problems total.
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Convert Time from 24 Hour to 12 Hour System
In this interactive worksheet, 4th graders convert time from the 24 hour system to the 12 hour system. Immediate online feedback is available.
Curated OER
Find the sequence and the nth term
In this fractions worksheet, students look at the fraction pattern and given the expression for the nth term. Students complete 10 problems.
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Midpoint Formula Worksheet
Students will find the midpoint of the line between two given points. Answers will be expressed as ordered pairs. Coordinates will be rounded to the nearest tenth if necessary.
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Word Problems that involve Circles
In this geometry activity, 10th graders solve application word problems based on knowledge of a circle. The one page interactive activity contains four questions. Answers and hints are included.
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Surface Area of Solids
In this geometry worksheet, 10th graders determine surface area of a cylinder, a cone, a hemisphere, and a figure composed of a cylinder and a cone. The one page interactive worksheet contains four questions. Answers and hints are...
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Five Find the Unknown Angle Interactive Problems
In this unknown angle worksheet, students use trigonometry functions in five problems to find the unknown angles. Students may check their solutions and receive hints by using the "Check" and "Hint" button found at the bottom of the page.
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Law of Cosines
In this cosine worksheet, students will find the length of the third side of a triangle given the length of the other two side. Students will use the Law of Cosines to find the length of the missing side. Answers will be rounded to 3...
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Area of Parallelogram and Triangle
In this geometry activity, 10th graders determine the area of triangles and parallelograms. The one page interactive activity contains ten questions. Answers and hints are included.
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Pythagorean Theorem Worksheet
In this geometry worksheet, 10th graders use the Pythagorean Theorem to find the length of the unknown side of the right triangle. The one page interactive worksheet contains twelve questions. Answers and hints are included.
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Volume & Candy Creations Model
Sixth graders investigate surface area. In this surface area lesson, 6th graders design a box of candy that has a volume of 30 cubic inches. Students are trying to minimize surface area while keeping volume constant. Students...
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Area of Triangle Worksheet
For this area worksheet, students find the area of a triangle given the height and the base. They also find the height or base given the area of the triangle.
Pennsylvania Department of Education
Round Numbers to Nearest Ten or Hundred
Third graders review telling time. For this lesson on telling time, 3rd graders discuss various items that show length of time, including clocks, calendars and sand timers. Students review and practice what they already know about...
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Percent/Percentage Word Problems (Part 4)
In this Algebra I worksheet, 9th graders solve word problems involving percent of profit or loss. The one page interactive worksheet contains six problems. Answers and a hint are provided.
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Solving Equations by Combining Like Terms
In this Algebra I worksheet, 9th graders solve linear equations in which like variable terms must be combined. The one page interactive worksheet contains fifteen problems. Answers and a hint are provided.
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Sail Problem
High schoolers explore the proportional relationships involved in multiple parallel lines being cut by a transverse line. They complete a sail design problem, that involves finding the lengths of pieces of fabric along the edge of a sail...
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Measuring Weight
Students use tables showing the ratios between ounces and pounds, grams and kilograms, and pounds and kilograms. They estimate whether an object should be weighed in ounces or pounds and whether an object should be weighed in grams or...
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Renting an Apartment
Students complete math problems. For this decimals lesson, students practice decimal multiplication and discuss decimal placement. Students complete more practice problems and have other students check their answers. Students complete a...
Helping with Math
Ratio and Proportion: Writing Ratios (1 of 2)
Here is the first of two printable ratio worksheets. For the first three problems, pupils count the numbers of two different objects and simply write down the ratios. There are then four problems in word form for which they also write...
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Ratio and Proportion: Proportional Ratios
In this ratios worksheet, middle schoolers write yes or no for if the ratios given are proportional or not. Students complete 7 number problems and 5 money problems.
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Addition: Four In a Row Addition Game
In this addition game activity, students find the sums of 25 single digit addition problems which are in a Bingo-like format. They work with a partner while writing the sums with two different colored pens until they make a row of...
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The Way Things Fall
Students see that light and heavy objects fall at the same rate, as established experimentally by Galileo. They see that falling objects, and balls rolling down an incline, tend to accelerate at a constant rate a. Their velocity...
Curated OER
Addition and Subtraction
In this addition and subtraction worksheet, students figure out the correct number to place in 8 boxes without doing the addition and subtraction sums.