Virginia Department of Education
Solve for the Unknown
How can shapes help solve literal equations? Scholars first learn to replace variables with shapes to aid in solving literal equations. A worksheet of practice problems helps hone the skill.
National Security Agency
A Balancing Act: Solving Multi-Step Equations
Wow! Put on that thinking cap and solve multi-step equations. To solve equations, learners review the use of the distributive property and combining like terms. This three-day activity comes with about 20 pages of worksheets, warm-ups,...
Curated OER
Solving for an Unknown
In this solving for the unknown activity, students solve and complete 18 different problems that include algebraic expressions. First, they study each pattern in the equations shown. Then, students solve each equation for the variable...
Math Worksheets Land
Division and Finding Unknown Factors - Step--by-Step Lesson
Because this division word problem has the answer explained on the same page, use it as an all-class warm up. Covering up the bottom half, have scholars determine the missing factor in a multiplication sentence. They use an image to...
Curated OER
The Class Trip
Mrs. Moore's class is trying to earn money for a trip to the science museum, but how much more do they need? Solve this problem with your own class as they develop their ability to model real-life situations algebraically. As an added...
Illustrative Mathematics
Finding an Unknown Angle
Teach your class how to apply their knowledge of geometry as they explore the unknown. In order to find an unknown angle, students must understand that rectangles have four interior right angles, that right angles have 90 degrees, and...
Illustrative Mathematics
Solving Equations
If you have two bags with an unknown number of tiles, represented by x, and you add three tiles to get seven total, you can set up a linear equation to represent the problem. Use this example and a few others to demonstrate how to solve...
Illustrative Mathematics
Equations and Formulas
Your class is asked to use inverse operations to solve eleven equations for unknown variables or to rearrange formulas to highlight a quantity of interest. By using the same reasoning as solving one- and two-step equations, algebra...
Math Worksheets Land
Unknown Numbers in Sums and Differences
You've hit the word problem jackpot with this set of 10 addition and subtraction scenarios! For each, learners have to find a missing number. Sometimes it is the sum or difference, and for others, an addend or minuend. For each, there is...
Curated OER
Regents Exam: Solving Rationals 1
In this rational number worksheet, students add and subtract fractions containing variables. They find common denominators and solve for the unknown. This four-page worksheet contains eighteen problems. Answers are listed on the last...
Southwestern Medical Center
Field Epidemiology: Investigation of an Unknown Disease
More than 90 percent of the people in a building have come down with an illness, and it is your job to investigate. Teachers give scientists the data needed to decide what is important and how they can solve the mystery. The exercise is...
Curated OER
Solve for the Unknown
In this unknown instructional activity, students solve simple one-step algebraic inequalities. This two-page instructional activity contains 6 simple problems. Answers are provided on the last page.
Curated OER
Subtraction and Unknown Addends
The missing addend strategy is helpful to young mathematicians approaching subtraction. This worksheet walks learners through the required steps, solving the problems with them. They examine situations with one addend and a sum provided,...
Curated OER
Problem-Solving Strategy: Use Logical Reasoning
In this logical reasoning learning exercise, students utilize the problem-solving strategy of logical reasoning to answer 2 short answer mathematical questions.
Curated OER
Algebra: Solving Equations
In this solving equations worksheet, students write stories for given equations. They solve for the unknown. This one-page worksheet contains 8 problems.
Curated OER
Solve Algebraic Equation Worksheet
In this algebraic equation learning exercise, students solve simple algebraic equations containing integers and fractions. They solve for the unknown. This four-page learning exercise contains 20 multi-step problems.
Curated OER
Bingo - Solving Equations
In this solving equations worksheet, students simplify equations containing fractions and variables on both sides and then solve for the unknown. This two-page worksheet contains 25 multi-step problems.
Curated OER
2001 U.S. National Chemistry Olympiad Part III
Here is a comprehensive method for assessing chemistry learners' knowledge; have them approach two laboratory problems, plan their methods of solving each, and then actually carry out the experiments to find the answers. Both the...
Curated OER
Unknown Addends (to 20): Count the Blank Boxes
By filling in the blank squares, learners complete five addition number sentences both visually and numerically. For each problem, a frame is filled with a certain number of images (turkeys, candles, etc.) and a certain number of blank...
Curated OER
Unknown Numbers in Sums and Differences
Beginners to addition and subtraction will have fun with these three word problems, which have accompanying visuals. They complete one problem with a missing difference, one with a missing sum, and a third with a missing subtrahend....
Curated OER
Solve for the Unknown
In this algebra worksheet, students solve for the unknown or x-value. They perform logarithmic equations using the properties of logs. There are 5 questions with an answer key.
Curated OER
Solving Quadratic Equations with Square Roots
In this quadratic equations activity, students solve quadratic equations containing square roots. They combine like terms and solve for the unknown. This four-page activity contains 28 problems. Answers are provided on the last two pages.
Curated OER
Solving Muti-Step Equations
In this algebra worksheet, students solve multi-step equations and try to find the unknown. They add or subtract, and then multiply or divide to get their answer. There are twenty-one questions with an answer key.
Curated OER
Solve for the Unknown Using Product and Quotient Rule
For this algebra worksheet, students rewrite logarithmic equations and solve for the x-value. There are 5 questions with an answer key.
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