+
Lesson Plan
Illustrative Mathematics

Guess My Number

For Teachers 7th - 9th Standards
Make a game out of solving equations. This particular activity works well for pairs of learners. Follow the instructions to have player one pick a number and player two verbally give an equation. Participants need to make sense of a...
+
Lesson Plan
Southwestern Medical Center

Field Epidemiology: Investigation of an Unknown Disease

For Teachers 7th - 12th
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...
+
Interactive
CK-12 Foundation

Pythagorean Theorem for Solving Right Triangles: Solving the Triangle

For Students 9th - 12th Standards
Observe the change in the trigonometric ratios as angles vary. An interactive provides the values of trigonometric ratios for both acute angles in a right triangle. Pupils create a right triangle to match given criteria and find the...
+
Lesson Plan
Curated OER

Using a Controlled Experiment to Identify Two Unknown Plasmids

For Teachers 10th - 12th
Student demonstrate knowledge of recombinant DNA techniques (restriction enzyme digest, gel electrophoresis, and staining gel). They demonstrate skills needed to complete a gel electrophoresis and interpret a stained gel. Pupils solve...
+
Worksheet
Curated OER

Solve for the Unknown

For Students 8th - 9th
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.
+
PPT
DataWorks

4th Grade Math: Multi-Step Word Problems

For Students 4th Standards
Solving word problems requires reading comprehension and math computation. Through an interactive slideshow presentation, fourth graders observe and follow each step toward solve multiplication and division word problems. 
+
Lesson Plan
EngageNY

Word Problems Leading to Rational Equations

For Students 10th - 12th Standards
Show learners how to apply rational equations to the real world. Learners solve problems such as those involving averages and dilution. They write equations to model the situation and then solve them to answer the question — great...
+
Interactive
CK-12 Foundation

Determination of Unknown Triangle Measures Given Area: Jib Sheets

For Students 10th - 12th Standards
Solving triangles is a breeze. Young boat enthusiasts solve problems involving triangles in the context of sails on a boat. They must apply different strategies, including the Law of Cosines and area formulas.
+
Worksheet
Curated OER

Subtraction and Unknown Addends

For Students 1st - 3rd
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,...
+
Worksheet
Curated OER

Problem-Solving Strategy: Use Logical Reasoning

For Students 3rd - 5th
In this logical reasoning instructional activity, students utilize the problem-solving strategy of logical reasoning to answer 2 short answer mathematical questions.
+
Worksheet
Curated OER

Algebra: Solving Equations

For Students 8th - 11th
In this solving equations worksheet, students write stories for given equations.  They solve for the unknown.  This one-page worksheet contains 8 problems.
+
Worksheet
Curated OER

Solve Algebraic Equation Worksheet

For Teachers 7th - 9th
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.
+
Lesson Plan
Curated OER

Developing the Concept: Percents

For Teachers 5th - 7th
In this percents instructional activity, learners review how to solve a multiplication equation where they must solve for a variable. They solve equations with missing numbers and percents.
+
Lesson Plan
NOAA

Journey to the Unknown

For Teachers 5th - 6th
What's it like to be a deep-sea explorer? Tap into the imaginations of your fifth and sixth graders with a vivid lesson, the second part of a six-part adventure. Learners close their eyes and submerge themselves in an expedition aboard...
+
Worksheet
Curated OER

Bingo - Solving Equations

For Students 9th - 10th
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.
+
Lesson Plan
Curated OER

Solving Single-Step Word Problems

For Teachers 3rd - 5th
Math wizards learn the five-step plan to solve math word problems. They investigate the five-step process for solving word problems, and examine the use of code words for each of the operations and solve a problem using the strategies.
+
Assessment
Curated OER

2001 U.S. National Chemistry Olympiad Part III

For Students 9th - 12th
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...
+
Worksheet
Curated OER

Unknown Addends (to 20): Count the Blank Boxes

For Students K - 1st
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...
+
Worksheet
Curated OER

Unknown Numbers in Sums and Differences

For Students 1st - 2nd
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....
+
Worksheet
Curated OER

Solve for the Unknown

For Students 10th - 11th
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.
+
Lesson Plan
Curated OER

Solving Linear Equations

For Teachers 9th
Ninth graders solve linear equations. In this algebra lesson plan, 9th graders discuss the steps for solving linear equations and work through examples with the teacher. They work in pairs to create their own linear equation and complete...
+
Worksheet
Curated OER

Solving Quadratic Equations with Square Roots

For Students 8th - 10th
In this quadratic equations worksheet, students solve quadratic equations containing square roots. They combine like terms and solve for the unknown. This four-page worksheet contains 28 problems. Answers are provided on the last two pages.
+
Worksheet
Curated OER

Solving Muti-Step Equations

For Students 9th - 11th
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.
+
Lesson Plan
Curated OER

Solving Equations Mixed Review

For Teachers 7th - 12th
Students solve linear equations with two steps. In this algebra lesson, students isolate the variable and solve for the unknown using division, multiplication, addition and subtraction.

Other popular searches