Curated OER
Past and Present
Students identify George Washington on the obverse of the quarter and read about George Washingington. They compare Washington to the current president and practice distinguishing between events in the past and the present.
Waterloo Mathematics
Number Sense and Numeration: Ratio and Rate
Seventh-graders solve 20 various types of problems related to ratio and rate. They write ratios in simplest form for each given statement, to compare the area of two figures, and write two ratios equivalent to each ratio. Pupils express...
Virginia Department of Education
Translate and Evaluate
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....
Illustrative Mathematics
Puzzle Times
Give your mathematicians this set of data and have them create a dot plot, then find mean and median. They are asked to question the values of the mean and median and decide why they are not equal. Have learners write their answers or...
Bowland
Mobile Phones
Cheaper cell phone bills? Learners compare two different cell phone plans for a specified number of minutes of phone usage each day. They also determine the conditions for which one plan is cheaper than the other.
Math Mammoth
Measuring Angles
The first of two pages displays various angles as the measure of degrees of a circular arc. An explanation is written, and learners are asked to model each by holding up two pencils as the rays. The second page provides instruction on...
Curated OER
Telling Time, Part 2
Compare time on an analog clock and a digital clock with a learning exercise that prompts third graders to write the given times into both clocks. An example at the top of the page demonstrates how to write the time for both clocks. A...
Curated OER
Prairie Populations
Eleventh graders practice the Quadrat Survey Technique to analyze the biodiversity of a local plant community. They compare its biodiversity with the documented changes in biodiversity of the tallgrass prairie over time.
National Security Agency
Money Maters: Integers are Integral!
A thoroughly-written lesson plan and a plethora of worksheets about integers comprise this resource. Neophyte number crunchers learn to recognize integers, add and subtract them, and apply the concepts to the designing of a personal...
Curated OER
Probability: What's Most Likely?
Work with graphs, tally marks, and probability. Fifth graders read tables with different sets of data, including tally marks and a bar graph, to answer five questions. Use this instructional activity as part of a probability lesson, or...
Curated OER
Fraction X--Adding Unlike Denominators
In this math PowerPoint, the process of adding fractions with unlike denominators is broken down into a logical, easy-to-follow sequence of steps. Definitions and examples of multiples, least common multiple, and least common denominator...
Curated OER
Information Overload: Looking at News
How do events reported in mainstream newspapers, on television news, blog posts, and social network sites differ? Ask your class to investigate the way the same news item is presented in the many information sources available. Groups...
Illustrative Mathematics
Chocolate Bar Sales
For this real-world example, algebra learners start to get a sense of how to represent the relationship between two variables in different ways. They start by looking at a partial table of values that define a linear relationship. They...
Curated OER
Read My Bar Graph!
Elementary schoolers make and use bar graphs to picture information. They learn how choosing the right scale for a bar graph can help make a persuasive argument. This is a terrific lesson on graphing which should excite your kids. There...
Curated OER
How About a Classroom Epidemic?
Have individuals wash their hands with soap and water, give one of them a yeast-covered piece of candy, and then have him shake hands with the person next to him. Handshakes continue down the line until everyone in the class has had...
Curated OER
Estimate How Many Seeds Are In a Fruit or Vegetable
Help mathematicians estimate how many seeds are in a given vegetable or fruit. They are divided into pairs and estimate the amount of seeds in a whole fruit without seeing the inside. They then cut the fruit or vegetable in half and...
Curated OER
Yummy Gummy Subtraction
Here is a quick 15 minute lesson intended to introduce subtraction. Learners count and subtract gummy bears to complete 5 problems. The lessons suggest that the gummy bears can be saved and used the next day, but gummy bears get gross...
Curated OER
Bar Graphs
Introduce scholars to bar graphs and data analysis through analyzing these visual examples. First, they look at a pictograph of fruit types and answer five observation questions. There is one done for them as an example. Learners do the...
Curated OER
The Value of Education
The real value of education is highlighted in more than one way on a worksheet designed to not only add, subtract, multiply, and divide decimals to hundredths, but also to address the correlation between higher pay with accomplishing...
Nuffield Foundation
Measuring the Rate of Metabolism
Plant respiration can be a difficult concept for young biologists to grasp; with a hands-on lab, learners can collect and graph data, then calculate the metabolism rate for the plants they studied. If you do not have a respirometer,...
Illustrative Mathematics
Riding at a Constant Speed, Assessment Variation
Practice ratios and unit rates with tracking how long Lin took to ride her bike. Provided with different questions, your mathematicians can assemble their answers using a chart or setting up ratios. The activity is included in a set of...
Inside Mathematics
Quadratic (2009)
Functions require an input in order to get an output, which explains why the answer always has at least two parts. After only three multi-part questions, the teacher can analyze pupils' strengths and weaknesses when it comes to quadratic...
Curated OER
Do You Have Number Sense?
Seventh graders are grouped according to their ability level with a captain who is elected by the students in that particular group. Students demonstrate their knowledge of rational and irrational numbers by defining them. Students use a...
Curated OER
Multiply By A 2-Digit Number 1
In this multiply by a two-digit number instructional activity, 4th graders multiply mentally twelve equations, calculate the answers to twenty two additional multiplication equations.