Worksheet
Curated OER

Mixed Operation Word Problems 1, Version 4

For Students 3rd - 5th
In this mixed operations word problems worksheet, students use their problem solving skills to solve 5 problems that require them to add, subtract, multiply, and divide.
Worksheet
Curated OER

Mixed Operation Word Problems 2, Version 2

For Students 3rd - 5th
For this mixed operations word problems worksheet, students use their problem solving skills to solve 5 problems that require them to add, subtract, multiply, and divide.
Worksheet
Curated OER

Mixed Operation Word Problems 2, Version 3

For Students 3rd - 5th
In this mixed operations word problems learning exercise, students use their problem solving skills to solve 5 problems that require them to add, subtract, multiply, and divide.
Lesson Plan
Curated OER

Reflection/Evaluation

For Teachers 7th - 8th
Learners practice the skills of reflection and evaluation. In this reflection lesson, students are grouped together and asked to brainstorm what they have learned during a particular unit. Learners decide what they want to share with the...
Lesson Plan
Curated OER

Adding and Subtracting Algebraic Expressions (Combining Like Terms)

For Teachers 6th - 7th
Everyone loves math when it includes food! This lesson plan tries to take the notion of combining like terms in algebra and comparing it to sorting apples and oranges. It takes a step-by-step approach to helping young scholars understand...
Lesson Plan
Curated OER

Measuring the Volume of Water Discharge for a Stream or Canal

For Teachers 10th - 12th
Young scholars study how to measure and calculate the volume of water flowing down a stream or canal and use simple tools to make measurements. Next, students determine how many people cold live off the volume of water measured. Finally,...
Lesson Plan
Curated OER

Highs and Lows

For Teachers 6th - 7th
Plot data using the number line and discuss how negative numbers are used in math and science. Sixth and seventh graders share their graph with the class and provide an explanation for their plotting.
Lesson Plan
Curated OER

Mean and Standard Deviation

For Teachers 6th - 12th Standards
Get two activities with one lesson plan. The first lesson plan, is appropriate for grades 6-12 and takes about 20 minutes. It introduces the concept of measures of central tendency, primarily the mean, and discusses its uses as well as...
Activity
Illustrative Mathematics

Comparing Products

For Teachers 5th Standards
How can 5th graders show understanding that 30 x 225 is half of 60 x 225 without completing the computation? They can use an area model and draw it out. An array, or an open array, is an area model that allows for young learners to...
Lesson Plan
Illustrative Mathematics

Making Cookies

For Teachers 5th - 7th Standards
Hooray for chocolate chip cookies! Ask your mathematicians to triple a chocolate chip cookie recipe and then reduce the recipe by one-fourth. Your class may need two days to complete, tripling the recipe the first day and reducing the...
Lesson Plan
Curated OER

Multiple Variables in an Equation

For Teachers 5th - 7th
Young mathematicians apply problem-solving skills to equations that have more than one variable. They will work through the process to problem solve and discover the solution.
Lesson Plan
Curated OER

Positive-Negative Charge Model For Integers

For Teachers 5th - 7th
Use two different colors of bingo chips to represent positive and negative charges. Add and subtract them in a clear glass beaker to demonstrate how to add and subtract integers. This visual, along with a number line, will really help...
Lesson Plan
Curated OER

Fractions: Jim and John

For Teachers 4th - 8th
Elementary and secondary learners investigate various concepts related to the study of fractions. They use word problems during the introduction to parts of a fraction and proceed to some of the basic operations of using fractions. The...
Lesson Plan
Curated OER

Application and Modeling of Standard Deviation

For Teachers 9th - 12th Standards
The first activity in this resource has learners computing the mean and standard deviation of two different data sets and drawing conclusions based on their results. The second activity has them using a dice-rolling simulation to...
Lesson Plan
Illustrative Mathematics

Firefighter Allocation

For Teachers 5th - 7th Standards
Creating equations with one variable  to solve real-world-type problems is a key skill any algebra learner needs to master. Here the focus is on realizing that one can write the equation in different ways depending upon how one...
Lesson Plan
Curated OER

Grocery Store Problem Solving

For Teachers 4th - 7th
Students use multiple math skills to complete grocery story problems. For this grocery math lesson, students study grocery ads to learn about the cost of foods. Students investigate food types and the costs of processed versus raw foods....
Lesson Plan
Curated OER

Adjusting the Quotient

For Teachers 4th
Fourth graders use number facts to estimate quotients. In this division lesson plan, 4th graders examine long division problems to determine which multiple of ten will help them determine a number that is close to a quotient. They adjust...
Worksheet
Curated OER

Prove It!

For Students 5th - 6th
In this problem solving skills worksheet, students prove that a number is a multiple of 9 if the sum of its digits in 9. Students also respond to 3 short answer questions regarding multiples.
Organizer
Curated OER

Quotients with Fractions and Decimal Fractions

For Students 4th - 6th
In this quotients with fractions and decimal fractions, students use their problem solving skills to solve the problems in 3 division tables.
Lesson Plan
Curated OER

Adjusting the Quotient

For Teachers 5th - 6th
Students solve division problems. In this division instructional activity, students review estimating and how to figure out if their estimate is too large or too small. Students solve division problems and use their estimating skills to...
Lesson Plan
Curated OER

Operations for Problem-Solving

For Teachers 7th - 9th
Learners examine a problem and develop the best method to arrive at the solution. In this math lesson, students apply basic math skills by coming up with the correct steps to solve a word problem. ...
Lesson Plan
Curated OER

Marta Pricing Options

For Teachers 3rd
Third graders determine whether buying a "package deal" is really the best deal. In this consumer math activity, 3rd graders watch a video clip and use math skills to solve a word problem determining which "package deal" is the best deal.
Interactive
Curated OER

My Test Book: Addition and Subtraction

For Students 1st - 3rd
In this online interactive math skills activity, learners solve 10 multiple choice math problems that require them to add and subtract using 1 and 2 digit numbers. Students may submit their answers to be scored.
Worksheet
Curated OER

Galaxies and the Universe

For Students 8th - 9th
If Earth was formed 4600 million years ago, and the sun revolves about the center of the Milky Way once every 250 million years, how many revolutions have occurred? Students answer this question and ten more, all providing students with...