Mathalicious
On Your Mark
With many factors leading to a great athlete, does height make Usain Bolt unfairly fast? Middle schoolers conduct analysis to change the running distance of the Olympic races to be proportional to the height of the participants. They...
Houghton Mifflin Harcourt
Counting the Zeros
This handout is a terrific teaching tool when covering the powers of ten and moving decimal points to multiply and divide large numbers. The first half of the assignment covers multiplication and then gives learners a try. The second...
Mathalicious
Pic Me!
Finally! Math and Instagram have come together to discuss the correlation between likes and followers. High schoolers can't help but want to discover what makes one account more popular than another by developing a line of best fit and...
EngageNY
Distributing Expressions
You know how to factor expressions; now it's time to go the opposite way. Scholars learn to write algebraic expressions in expanded form using the distributive property. A problem set helps them practice the skill.
Teach Engineering
Strength of Materials
Pupils examine a stress-strain diagram that compares the advantages and disadvantages of the two common bridge building materials, concrete and steel. The also consider the factors that influence the materials builders choose for their...
EngageNY
How Do Dilations Map Angles?
The key to understanding is making connections. Scholars explore angle dilations using properties of parallel lines. At completion, pupils prove that angles of a dilation preserve their original measure.
Noyce Foundation
Candy Fractions
While examining fractions and ratios, your leaners get to read about one of their favorite subjects: candy! There are four word problems on this learning exercise. Learners consider situations in which "for every x caramels there are y...
Inside Mathematics
Two Solutions
Many problems in life have more than one possible solution, and the same is true for advanced mathematics. Scholars solve seven problems that all have at least two solutions. Then three higher-level thinking questions challenge them to...
EngageNY
Scale Drawings
Are you searching for a purpose for geometric constructions? Use an engaging approach to explore dilations. Scholars create dilations using a construction method of their choice. As they build their constructed dilation, they...
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...
EngageNY
Writing and Expanding Multiplication Expressions
Find out what's so standard about standard form. Scholars learn to write multiplication expressions with variables in the 10th lesson plan in a series of 36. They use different symbols for multiplication and translate between standard...
EngageNY
Informal Proof of AA Criterion for Similarity
What does it take to show two triangles are similar? The 11th segment in a series of 16 introduces the AA Criterion for Similarity. A discussion provides an informal proof of the theorem. Exercises and problems require scholars to apply...
EngageNY
More About Similar Triangles
Determine whether two triangles are similar. The lesson presents opportunities for pupils to find the criterion needed to show that two triangles are similar. Scholars use the definition of similarity to find any missing side...
EngageNY
Exponents
Powered up! Here's a great resource on exponents. Scholars build on their previous understanding of exponents to include all positive real number bases. Distinguishing between an and a^n is a major goal in the fifth lesson of a 36-part...
Los Angeles County Office of Education
Assessment for the California Mathematics Standards Grade 5
Test young mathematicians' knowledge with an assessment aligned to California's fifth grade state standards. The exam covers a multitude of concepts including fractions and decimals, positive and negative numbers, measurement; and...
Curated OER
Factoring Trinomials
In this Algebra I/Algebra II worksheet, students factor by pulling out the greatest common factors and factor trinomials in which the lead coefficient is one. The one page worksheet contains thirteen free response...
Curated OER
Fraction Fun
Students define properties of fractions and solve for them. In this algebra lesson, students rewrite fractions from mixed numbers to improper fractions. They reduce fractions using the GCF and convert the denominators correctly when...
Curated OER
Building Venn Diagrams
Learners use Venn diagrams to solve prime number and factorization problems. In this multiplication instructional activity, students watch a video and use a Venn Diagram to help them solve a pizza math activity that uses prime...
Curated OER
Lesson 56
Sixth graders practice Least Common Multiple in fractions. In this fraction lesson, 6th graders look at two different fractions and find a common denominator. They sing a song to memorize mean, median, and mode.
Curated OER
Add Fractions With Like Denominators (E)
In this adding fractions instructional activity, learners use their math skills to solve 14 problems that require them to add fractions with like denominators.
Curated OER
Add Fractions With Like Denominators (D)
For this adding fractions worksheet, students use their math skills to solve 14 problems that require them to add fractions with like denominators.
Curated OER
Add Fractions With Like Denominators (I)
In this adding fractions worksheet, students use their math skills to solve 14 problems that require them to add fractions with like denominators.
![Add Fractions with Like Denominators [J] Worksheet](http://lessonplanet.com/content/resources/thumbnails/217926/large/nziymzyxlmpwzw.jpg?1315013932 "Add Fractions with Like Denominators [J] Worksheet")
Curated OER
Add Fractions with Like Denominators [J]
In this fraction activity, learners complete a total of 14 problems, adding fractions with like denominators. A sample problem is done at the top of the page.
![Add Fractions With Like Denominators [H] Worksheet](http://lessonplanet.com/content/resources/thumbnails/217927/large/nziymzyylmpwzw.jpg?1315013931 "Add Fractions With Like Denominators [H] Worksheet")
Curated OER
Add Fractions With Like Denominators [H]
For this fraction worksheet, students complete a total of 14 addition problems, adding fractions with like denominators. A sample problem is completed for students.