Lesson Plan
Curated OER

Using Square Tiles to Investigate Numbers

For Teachers 5th
Fifth graders model and distinguish between prime and composite numbers. Students are paired up with another classmate to complete this lesson. Students are assigned different numbers to work with, they use square tiles to form as many...
Worksheet
Curated OER

Numbers Worksheet- Ordinal Numbers

For Students 1st - 2nd
In this ordinal numbers worksheet, students look at a row of shapes and color the 3rd circle blue and the 5th circle red. Students follow similar directions in two other rows of shapes.
Worksheet
Curated OER

Giant Difference of Squares

For Students 11th
In this algebra worksheet, 11th graders calculate the sum of squares of all real numbers that satisfy an equation. An answer key is provided.
Lesson Plan
Curated OER

Fun With Calendars

For Teachers 7th - 12th
Students use four numbers to find calendar dates that form square numbers. In this square numbers lesson, students use algebraic equations to calculate and locate number patterns using a monthly calendar.
Worksheet
Curated OER

Addition Square #2

For Students 3rd - 4th
In this addition worksheet, learners fill in the missing numbers to complete 5 addition squares. Students add across and down, filling in the addends.
PPT
Curated OER

Adding in Our Heads

For Teachers 2nd - 3rd
A good presentation on adding two-digit numbers. Learners are shown how to partition the numbers before trying to add them in their heads. A frog is the featured teacher of the PowerPoint, and he leads viewers through many problems and...
Lesson Plan
Center for Mathematics and Technology

Whole Numbers: Using an Area Model to Explain Multiplication

For Teachers 3rd - 4th Standards
There are many ways to work through a multiplication problem. Using an area model, kids complete several worksheets with different types of multiplication problems, including multiplying by ten, and explain how the new strategies differ...
Handout
Charleston School District

Estimating Values of Expressions

For Students 8th Standards
You can't evaluate an irrational root expression without a calculator—or can you? Scholars estimate the value of roots within an expression to approximate the value of the expression. Expressions include a mix of square roots and whole...
PPT
Curated OER

Mass Lesson

For Teachers 2nd - 3rd
It's not just a slideshow, it's a lesson on mass. First, learners complete a mental math warm-up, where they determine the number before and after a series of given numbers, then they form groups to weigh packages and compare mass....
Printables
Chapman University

Exact Values Poster

For Teachers 6th - 12th Standards
Go to infinity and beyond and see what a repeating decimal actually looks like as it goes on and on and on and on. The poster uses rational numbers, imperfect squares, and the always popular π.
Assessment
Inside Mathematics

Rugs

For Teachers 8th Standards
The class braids irrational numbers, Pythagoras, and perimeter together. The mini-assessment requires scholars to use irrational numbers and the Pythagorean Theorem to find perimeters of rugs. The rugs are rectangular, triangular,...
Worksheet
Curated OER

Describe the Pattern

For Students 1st - 2nd
In this math worksheet, students examine a series of numbers and determine the pattern. Students write the rule, then give the next numbers in the sequence. There are 15 problems to solve.
Interactive
Scholastic

Study Jams! Surface Area

For Students 6th - 9th Standards
Explore surface area and calculate how much wrapping paper one needs to cover a whole box with this math video. The resource gives a nice visual of surface area and explains the use of a square unit.
Worksheet
Curated OER

Secret Math Trails

For Students 3rd - 5th
In this problem solving worksheet, learners study and analyze 9 squares with single and double-digit numbers. Students utilize addition to determine which numbers in each square equal the number at the bottom of each square....
Lesson Plan
Curated OER

Squares and Square Roots

For Teachers 8th - 10th
Students find patterns relating the lengths of the sides of squares to their areas. In this squares and square roots lesson, students draw squares and find their areas. They estimate the sides of square when given the area. Students use...
Lesson Plan
Curated OER

Quilt Squared

For Teachers 4th - 6th
Students study West Virginia quilts. In this mathematics lesson plan, students use symmetry, geometric shapes, and patterns to create their own quilt square.
Worksheet
Curated OER

Addition Squares

For Students 1st
In this addition learning exercise, 1st graders add together all the numbers going across and down 8 cubes. Students add any missing numbers in order for each addition math problem to be the same sum going across and down.
Lesson Plan
Curated OER

Geoboard Squares

For Teachers 2nd - 3rd
Students create squares of different sizes on a geoboard. They find and describe a pattern. Students use the pattern to determine the number of squares possible on a 10-by-10 geoboard. They create squares with a horizontal base (and...
Worksheet
Curated OER

Math Treasure Hunt

For Students 4th - 8th
In this math treasure hunt worksheet, students complete problems that relate to the answer from the problem before until they reach the last problem. Students complete 6 problems.
Lesson Plan
Curated OER

Numbers Beyond Reason!

For Teachers 4th
Fourth graders use the story of the discovery of irrational numbers to explore the different classes of numbers, the different ways in which numbers may be represented, and how to classify different numbers into their particular class.
Worksheet
Curated OER

Radicals and the Irrational Numbers

For Students 9th - 10th
In this Integrated Algebra worksheet, learners differentiate between rational and irrational numbers and locate irrational numbers on a number line.  The one page worksheet contains six problems.  Answers are provided. 
Worksheet
Curated OER

Recognize Squares

For Students 2nd - 3rd
In this geometry worksheet, students are shown a page of shapes and the students are asked to colour all the squares on the page.
Lesson Plan
Curated OER

Squaring Function of Natural Numbers

For Teachers 8th
Eighth graders complete problems where they use the definition of exponents to expand the squaring function of natural numbers. In this squaring natural numbers lesson plan, 8th graders also identify squares form 0 - 12 and complete a...
Lesson Plan
Curated OER

Prime Numbers and Factors

For Teachers 4th - 6th
Students determine factors of numbers to 100 and identify prime factors; students differentiate prime and composite numbers by the factors of the numbers.