Handipoints Inc.
Two to the nth Power
In this power learning exercise, middle schoolers compute the value of a number raised to a power. This on-line learning exercise contains 4 simple exponent problems and is self-checking.
Curated OER
Anhydrides, Acid Rain and Titrations
In this chemical compounds worksheet, students determine is compounds will act as acids or bases when added to water. Students compare basic, acidic, and amphoteric anhydrides. This worksheet has 15 fill in the blank, 2 short answer...
Curated OER
pH and pOH Calculations
In this acids and bases worksheet, students calculate the pH or pOH of given amounts of different chemical compounds. This worksheet has 13 problems to solve.
Curated OER
Bronsted Acids and Equilibria
In this acids and bases worksheet, learners give the Arrhenius and Bronsted definitions of an acid and base. Students determine the conjugate acids and bases and determine the stronger acids or bases from given compounds. This worksheet...
Curated OER
Indicators
In this indicators learning exercise, students write equilibrium equations, determine the pH at the transition point of the indicator, and calculate the value of pKa. This learning exercise has 7 problems to solve.
Curated OER
Salts
In this salts learning exercise, learners compare acids and bases and how salts are formed in the neutralization reaction between acids and bases. Students rank salts in order of increasing pH. This learning exercise has 8 problems to...
Curated OER
Solutions, Electrolytes and Concentration
In this solutions worksheet, students compare strong electrolytes and weak electrolytes. Students calculate concentration and molarity of given compounds. This worksheet has 8 problems to solve.
Curated OER
Buffers
In this buffers learning exercise, students determine which conjugate pairs would be appropriate to preparing a buffer at a specific pH. This learning exercise has 6 problems to solve.
Curated OER
Algebraic Equations
In this algebraic equations instructional activity, students solve and complete 4 different sets of problems that include solving for variables and using ratios. First, they solve for a variable and write out all of the steps in the...
Curated OER
Logarithms
In this logarithms worksheet, 11th graders solve 10 different problems that include various logarithmic functions. First, they identify a logarithm as the inverse to the exponential function. Then, students calculate the value of each...
Curated OER
Perimeter and Area of Polygons
In this polygons worksheet, 10th graders solve 10 different problems that include finding the perimeter and area of various polygons. First, they determine the length of the base of a rectangle given its height. Then, students determine...
Curated OER
Writing Exponents
In this writing exponents activity, 9th graders solve 10 different problems that include writing various types of exponents. They write each set of numbers in exponential form. Then, students list the base and whole number to the correct...
Curated OER
Interior and Exterior Angles
In this interior and exterior angles worksheet, 10th graders solve 10 different problems that include determining the interior and exterior of various triangles. They determine the measure of an exterior angle and then they determining...
Curated OER
Solving Exponential Equations
In this exponential equations worksheet, 9th graders solve 10 different problems related to solving exponential equations. They convert one side of the equations to the other side to another base so that the powers can be set to equal...
Curated OER
Intersecting Lines
In this intersecting lines worksheet, 10th graders identify and complete 10 different problems that include equidistant intersecting lines. First, they write the equation of the locus of points equidistant from the x-axis and the y-axis...
Curated OER
The Chemistry of Life
In this chemistry of life learning exercise, students will review key terms of plant cell structure and chemistry by reading 13 clues to complete the puzzle. Word bank is included.
Curated OER
Trigonometry Ratios in Right Triangles
In this trigonometry ratios in right triangles worksheet, 10th graders solve 6 different right triangle problems. First, they find the values of x and y in each triangle, rounding each to the nearest tenth. Then, students locate the...
Curated OER
Angles of Elevation and Depression
In this angles of elevation and depression worksheet, 10th graders solve 4 word problems that are related to determining the angles of elevation and depression. First, they define angle of elevation and angle of depression as used in the...
Curated OER
Special Right Triangles
In this special right triangles worksheet, 10th graders solve 7 various problems with various types of right triangles. First, they identify the two special types of right triangles, the 45-45-90 degree triangle and the 30-60-90 right...
Curated OER
Parallel Lines and Proportional Parts
In this parallel lines and proportional parts worksheet, 10th graders solve 6 problems that include applying the theorems involved in proportional parts of triangles. First, they identify and describe each theorem. Then, students find...
Curated OER
Area of Parallelograms
In this area of parallelograms worksheet, 10th graders solve 8 problems that include finding the area of various parallelograms. First, they find the area of each given figure in number 1-3. Then, students find the area of each shaded...
Curated OER
Classifying Triangles
In this classifying triangles activity, 10th graders solve 9 various problems that classify triangles into categories. First, they refer to the figure shown of an isosceles triangle with two line parallel. Then, students name the sides,...
Curated OER
Angles of Elevation and Depression
In this angles of elevation and depression activity, 10th graders solve 6 word problems that include finding angles of elevation and depression. They solve each problem, rounding the measures of segments to the nearest hundredth and...
Curated OER
Trapezoids
For this trapezoids worksheet, 10th graders solve 10 different types of problems related to measuring trapezoids. First, they identify the isosceles trapezoid on the sheet with the bases MA and TH. Then, students use the given...