Activity
Curated OER

Math Challenges

For Teachers 8th - 10th
Students engage their critical thinking skills to solve challenging math problems. In these problem solving lessons, student work with tessellations, weights/measurement, reasoning, surface area, geometric shapes, and algebraic procedures.
Worksheet
Curated OER

Basic Polynomial Operations

For Students 9th - 10th
For this basic polynomial operations worksheet, students identify polynomials by degree and number of terms, and perform operations of addition, subtraction, and multplication. There are also a few critical thinking questions included....
Worksheet
Kuta Software

Points in the Coordinate Plane

For Students 4th - 7th Standards
Keep young mathematicians on point with this coordinate plane worksheet. From plotting ordered pairs to identifying the quadrant and coordinates of specific points, this resource covers all the basic skills students need to have...
Lesson Plan
Illustrative Mathematics

Paying the Rent

For Teachers 8th - 12th Standards
Learning how a bank account works is a useful tool. The exercise in the resource is to deduct rent from a checking account and create an equation from a description. Participants then graph the balance of the bank account versus months...
Lesson Plan
Illustrative Mathematics

Adding Multiples

For Teachers 6th - 7th Standards
Mathematicians practice communicating why the sum of two multiples of a number results in another multiple of that number. Encourage learners to construct a viable argument by applying the distributive property or by drawing a diagram....
AP Test Prep
College Board

Calculations Aren't Enough!

For Teachers 10th - 12th Standards
Unlike mathematics, statistics comes with a context. The author reminds teachers that data analysis involves using the context to make sense of the numbers. The article stresses good communication skills by highlighting the scoring...
Lesson Plan
Scholastic

Cracking the Code

For Teachers 1st - 3rd Standards
Can you figure out the code? Learners interpret ten number patterns and write the five numbers that come next. Next, they create their own number patterns based on their own codes.
Worksheet
Scholastic

Problem-Soving Strategies, Practice 1: Sample

For Teachers 2nd - 5th
A variety of word problems help your learners examine the ways that they find solutions. Each question provides opportunities to add, subtract, and multiply time, measurements, and money.
Assessment
2
2
Illustrative Mathematics

Cell Phone Plans

For Teachers 8th Standards
Turn your classroom into a local cell phone store. Then, have your cell phone agents use linear equations to visually display three cell plans and their advantages. It makes for a great group project. Discuss how to decide which plan is...
Lesson Plan
Curated OER

Which is Closer to 1?

For Teachers 3rd - 5th Standards
A seemingly simple question that reveals a lot about a student's understanding of fractions. In finding an answer, learners compare fractions with different denominators that are both greater and less than one. No number line is...
Lesson Plan
Illustrative Mathematics

Drinking Juice, Variation 3

For Teachers 5th - 7th Standards
It is up to the learner to find the amount of juice originally in a bottle, knowing what fraction of the juice is left, and the amount that has been consumed. The accompanying commentary provides a useful and detailed description of...
Lesson Plan
Illustrative Mathematics

Drinking Juice, Variation 2

For Teachers 5th - 7th Standards
An excellent activity using word problems where pupils interpret and compute quotients of fractions. The commentary includes using a fraction bar model and equations to represent the problem. In this variation of the resource, the...
Lesson Plan
Serendip

Understanding and Predicting Changes in Population Size – Exponential and Logistic Population Growth Models vs. Complex Reality

For Teachers 9th - 12th Standards
Salmonella poisoning impacts over 200,000 people in the United States each year. Scholars learn about the growth of these bacteria using multiple approaches. Then they apply the same growth calculations to endangered species and think...
Worksheet
Curated OER

Possible vs. Impossible

For Students 3rd - 4th
In this critical thinking worksheet, students analyze 6 pictures and decide if the situation is possible or impossible. Students write the correct word on the line.
Lesson Plan
Curated OER

Math: Matching Rods and Religion

For Teachers 1st - 2nd
Math and religious studies are integrated together using using cuisenaire rods and Kid Pix for this problem-solving exercise. In pairs, they match different colored rods to represent various groups of people. Meanwhile, students at...
Lesson Plan
Curated OER

Multicultural Math Project

For Teachers 6th
Sixth graders examine where mathematics came from. In this Math History lesson, 6th graders complete various activities to understand mathematical reasoning. Students complete critical thinking questions.
Worksheet
DK Publishing

Sneaky Snakes: Missing Numbers

For Students K - 1st Standards
These sneaky snakes can help your kindergartners learn number sequence. Each snake has a number sequence up to 10 between their stripes, and kids write the numbers that are missing from the sequence. Some of the snakes begin at numbers...
Lesson Plan
Curated OER

Massive Migrations

For Teachers 5th - 8th
Here is an exciting exploration of a fascinating topic for your emerging ecologists: bird migration! They begin by visiting the US Fish & Wildlife Service website to discover which Arctic birds come to their areas. They are assigned...
Worksheet
Anoka-Hennepin School District

Order of Operations Worksheets

For Students 3rd - 8th Standards
Put your red pen down, it's time for your mathematicians to review students' work. Pupils are given one problem that has been solved three different ways to inspect its correctness and explain their thinking using academic language. 
Activity
Illustrative Mathematics

Throwing Baseballs

For Teachers 8th - 12th Standards
This is a wonderful exercise for learners to apply their critical thinking skills along with their knowledge of quadratic functions and parabolas. Young mathematicians investigate a real-world scenario about the height a baseball reaches...
Worksheet
Curated OER

Multiples

For Students 4th - 6th
A great worksheet for scaffolding critical thinking about mathematical concepts. This resource provides students with a brief explanation of multiples followed by 29 practice problems which gradually increase in difficulty. Several...
Activity
Illustrative Mathematics

The High School Gym

For Teachers 8th - 12th Standards
Learners apply critical thinking skills as they analyze data about the temperature inside a gymnasium during a school assembly. The focus is on representing temperature as a function of time and interpreting input and output values...
Lesson Plan
Curated OER

Tiles, Blocks, Sapphires & Gold: Designing a Treasure Map

For Teachers K - 2nd
Young cartographers in groups hide treasure at school and then create a map to find it using pattern blocks and tiles. They make paintings with clues to create a visual representation of the location of their treasure. Groups present...
Worksheet
Curated OER

Using Math To Make Decisions About Animal Habitat

For Students 4th - 6th
In this animal habitat worksheet, students read, analyze and solve 5 scenarios involving mathematics and animal habitats. Students work out each decision they decide as correct and write out a proposal for each one.