In this evaluating expressions worksheet, 9th graders solve 10 different problems that include evaluating various forms of expressions. First, they evaluate the equations for the given values of x in each of the 4 boxes. Then, students...

In this types of chemical reactions worksheet, students fill in 5 blanks with the proper type of chemical reaction described in the sentence. Students balance 5 equations and identify the type of chemical reaction for each equation.

In this variable expression instructional activity, students substitute a given value into an algebraic equation and then solve the problem. This three-page instructional activity contains 20 problems. Answers are provided on the last page.

Students in cooking class prepare and cook brownies, making a substitution with one or more of the ingredients as instructed. They compare their results in regard to appearance, flavor and texture. They develop an understanding of...

Students identify the four main types of reactions: synthesis, decomposition, single replacement, and double replacement. They explore the four main types of chemical reactions through an analogy of "Boy Meets Girl" and then "act out"...

Pupils solve weight equations. In this equations lesson, groups of students weigh and separate pennies to find information necessary to solve simultaneous equations. The teacher provides equations based on the weight of pennies before...

Students investigate primary sources to determine why soldiers might have wanted substitutes, and what the role of the substitute was.

Students integrate functions using u substitution.  In this integrating functions using u substitution lesson, students integrate functions by setting part of the function equal to u and the other part equal to du.  Students...

Advanced chemistry courses typically cover organic reactions. On this reference sheet, the five types of organic reaction mechanisms are explained and an example is shown.  For each, there is also a diagram of the chemical reaction...

This PowerPoint presentation is sure to support your lesson on chemical reactions. Colorful diagrams and pictures, solubility tables and rules, clever animations and diagrams make teaching these concepts a cinch! Your chemistry...

Direct substitution fails. Now what? The seventh of eight videos in Unit 4 - Contextual Applications looks at L'Hopital's rule. Scholars learn to take the derivative of both the numerator and denominator of a function when substitution...

Substitution is still the method of choice to verify number sentences. The detailed lesson has young mathematicians determining conditions for when number sentences are true or false through substitution. They learn to express these...

True or false? Scholars determine the truth value of equations and inequalities through substitution. All values to use for substitution are given with each equation or inequality. This is the 24th lesson in a module of 36.

In this calculus worksheet, students solve the function using the derivatives. They use properties of derivative and trigonometry to help them find the trig values. There are 28 problems.

With paper DNA patterns, budding biologists model translation and base-pair substitution within sequences. Through these activities, they examine how mutations can result in genetic disorders. The modeling that occurs is an enlightening...

Solve systems of equations using the substitution or elimination method. Kids can practice by solving each of the five problems on this one-page worksheet.

Solve two-step equations using order of operation in this algebra lesson. Young mathematicians evaluate functions through substitution and apply the properties of exponents and negatives correctly. They complete the order of operation...

Translate, evaluate, educate. Discover how to translate and evaluate expressions. Young mathematicians first review words and phrases that indicate operations and learn to write algebraic expressions from verbal descriptions....

Are some mutations more damaging than others? An engaging simulation encourages scholars to alter DNA through insertion, deletion, and substitution. It then forms resulting amino acids—or not—and the resulting protein—or not—depending on...

You're bound to get a reaction from your classes with this experiment! Scholars perform several chemical reactions, make observations, and classify the reactions as single replacement, double replacement, composition, or decomposition...

What do you get when you combine precipitate reactions with puzzles? Maximize the engagement in a single replacement reactions lesson by incorporating fun puzzles. Chemistry scholars observe the reaction between several sodium halides...

Taking calculus doesn't mean one can forget all about algebra. Viewers of an educational video learn how to determine limits using algebraic properties. They apply basic operations to calculate limits and use substitution to find one-...

What does it mean to solve an equation? The resource revisits the concept of making a linear equation true. Classmates use algebraic methods to transform sides of equations to expressions with fewer terms. They use substitution to...

Teach about properties properly. Individuals investigate the commutative and identity properties for both addition and multiplication. They see that the properties hold true for all values by using substitution to test out several examples.