+
Assessment
Inside Mathematics

Squares and Circles

For Teachers 8th Standards
It's all about lines when going around. Pupils graph the relationship between the length of a side of a square and its perimeter. Class members explain the origin in context of the side length and perimeter. They compare the graph to the...
+
Activity
1
1
Teach Engineering

Better By Design

For Teachers 5th - 7th Standards
Which modification is the best? Using the scientific method, pairs determine the effects of each control surface on the distance of a glider's flight. The activity, section 16 in a 22-part unit on aviation, allows pupils to gain a better...
+
Lesson Plan
EngageNY

Describing Variability Using the Interquartile Range (IQR)

For Teachers 6th Standards
The 13th lesson plan in a unit of 22 introduces the concept of the interquartile range (IQR). Class members learn to determine the interquartile range, interpret within the context of the data, and finish by finding the IQR using an...
+
Assessment
Inside Mathematics

How Old Are They?

For Teachers 9th - 12th Standards
Here is a (great) lesson on using parentheses! The task requires the expression of ages using algebraic expressions, including the distributive property. Pupils use their expressions to determine the individual ages.
+
Worksheet
Raytheon

Percentages

For Students 5th - 8th
In this percentages instructional activity, students complete percentage word problems dealing with money, division, fractions, and more. Students complete 54 problems.
+
Lesson Plan
Curated OER

Bargain Town, USA

For Teachers 3rd
Third graders discuss discounts and walk around classroom labeled with lots of discounted merchandise. They complete a worksheet converting original prices to new bargain prices.
+
Worksheet
Curated OER

Word Problem

For Students 9th - 11th
For this algebra worksheet, students are asked to solve a word problem dealing with percents. They calculate the tip they should give to the waiter. There is one problem with an answer key.
+
Lesson Plan
Curated OER

Great Blobs of Jelly!

For Teachers 9th - 12th
High schoolers explain how zoo-plankton have an impact on the global process.  In this ocean zoo-plankton lesson students calculate carbon flux and plankton densities. 
+
Lesson Plan
Curated OER

Ammonium Nitrate - Efficient Fertilizers

For Teachers 11th - Higher Ed
Students study the chemistry of ammonium nitrate and consider the advantages and disadvantages of this compound. They compare different fertilizers and calculate the molar mass and percent nitrogen in the different fertilizers.
+
Lesson Plan
Curated OER

Better Than Average

For Teachers 5th - 8th
Students analyze how to calculate averages, and discuss the use of averages in baseball. They calculate averages and decimals to thousandths using the data on baseball cards.
+
Lesson Plan
Curated OER

Math: How Many Red M&Ms?

For Teachers 6th
Sixth graders calculate the mean, median, and mode of candy M&Ms and find the percentage of each color. Once they complete the assignment, they compare their results with those of the candy company's percentages. As an extension,...
+
Lesson Plan
Curated OER

The Foot Book

For Teachers 4th - 6th
Students use estimation and measurement skills to make predictions and solve problems about length. They also analyze data presented to calculate ratios and percents.
+
Lesson Plan
Curated OER

Calorie Countdown

For Teachers 4th - 5th
Students identify the advantages of a healthy diet and exercise plan. In this health lesson, students bring in labels of different food products and calculate the amount of calories each serving is. Students keep a food diary to keep...
+
Worksheet
Curated OER

Stoichiometry

For Students 10th - Higher Ed
In this stoichiometry worksheet, students identify types of reactions, show the products, and balance the equations. Students determine the limiting reagent, theoretical yield, and percent yield for given reactions. This worksheet has 5...
+
Lesson Plan
Curated OER

Z-Scores

For Teachers 9th - 11th
Students solve problems by identifying the percent of area under the curve. In this statistics lesson, students discuss z-scores as they calculate the different percentages under the bell curve. They calculate the standard deviation.
+
Worksheet
Curated OER

A.P. Calculus BC Section II, Part A and Part B

For Students 12th - Higher Ed
For this A.P. Calculus BC worksheet. learners solve six practice problems.  A graphing calculator is required on the first three questions and not allowed on the next three.  Directions are provided.
+
Lesson Plan
Curated OER

Supersonic Dream

For Teachers 9th - 12th
Students explore how fuel use affects the mass of different planes during flight and graph their results. They determine the per person fuel cost of a transatlantic flight for seven airplanes
+
Worksheet
Curated OER

Ocean Water

For Students 7th - 8th
Given data about the composition of ocean water, students complete 5 different questions using a provded table that relate to the ocean water (with elements Chloride, Sodium, Sulfate, and Magnesium). Some questions require calculation,...
+
Worksheet
Curated OER

Moles, Stoichiometry, and Concentration

For Students 10th - Higher Ed
In this stoichiometry worksheet, students practice calculating moles, molar mass, and percentage composition of given compounds. This worksheet has 55 problems to solve.
+
Lesson Plan
Curated OER

Solving Math Word Problems

For Teachers 4th - 5th
Students use five word problem solving skills to solve a variety of math word problems. They observe the teacher modelling the five steps, and in small groups complete two worksheet word problems. Students read the problem, find the...
+
Worksheet
Curated OER

Chemistry 151 - Final Review

For Students Higher Ed
In this chemistry review worksheet, students give atomic symbols for given atoms, calculate moles, determine empirical formulas, and balance chemical equations. This worksheet has 1 drawing, 9 fill in the blank, and 12 word problems.
+
Lesson Plan
Curated OER

Topsy-Turvy Math With Rational Numbers

For Teachers 4th
Fourth graders complete a worksheet. As a whole class, 4th graders hear a lecture and complete a worksheet on factors, multiplicative inverses and reciprocals, finding the quotient of two fractions and the division of fractions to...
+
Lesson Plan
Curated OER

Probability: How Likely Am I to...?

For Teachers 12th
Twelfth graders examine various ways probability is applied to daily situations. They use marbles and blocks to calculate the probabilities of picking certain colors. They also calculate the odds of picking a winning raffle ticket.
+
Lesson Plan
Curated OER

Can I Afford This Apartment?

For Teachers 8th - 12th
Students explore the concept of cost of living. In this cost of living lesson, students calculate the cost of living in an apartment along with other living expenses.