Khan Academy
Khan Academy: Dividing Fractions Word Problems
Practice solving word problems by dividing fractions by fractions. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: General Triangle Word Problems
Solve word problems that involve general triangles using trigonometry. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Multi Step Word Problems With Whole Numbers
Solve multi-step word problems, including estimation. Select the equation that can be used to solve a word problem. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Analyze Math
Analyze Math: Parallelogram Problems
Learners explore the geometry topic of parallelograms. The word problems include detailed solutions.
PBS
Pbs Kids Afterschool Adventure!: Operation: Rainbow Math Activity Plan
Red apples, orange candles, yellow stars, green frogs, and blue, indigo, and violet flowers-they all add up to Rainbow Math fun! During this adventure children learn the colors of the rainbow as they practice counting, adding and...
Science Struck
Science Struck: The Hardest Math Problem in the World
Discusses the two math problems that baffled mathematicians for ages, Fermat's Last Theorem and Riemann's Hypothesis. The latter is still unsolved.
Khan Academy
Khan Academy: Dividing Fractions
In this exercise, students practice dividing fractions in word problems. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
NASA
Ltp: 9th Grade Math Practice Questions
This site offers 38 practice math problems based on the Ohio 9th Grade Math Proficiency Test. Questions are multiple choice and answer pages include discussion.
Rice University
Rice University: Cynthia Lanius: Fun Mathematics Lessons
This resource has mathematics lessons for different levels, from counting to slope. In English and Spanish.
PBS
Pbs: Modeling Fraction Division, Equal Groups, Group Size Unknown
This animated video illustrates a word problem that requires dividing two fractions with equal groups, group size unknown. Students are presented with a problem that asks how long it takes a sloth to climb down a tree trunk at an even...
PBS
Pbs: Kid Vid: Dividing Mixed Numbers and Fractions
Critique a peer's thinking about two division word problems, one with whole and mixed numbers and one with two fractions, in this interactive from KET. Students watch a video of a student thinking through two word problems that involve...
PBS
Pbs: Modeling Fraction Multiplication Using Arrays
This video illustrates a word problem involving the multiplication of fractions using an array to model the solution visually. The problem involves puffins, arctic birds that live in colonies and fish to feed their young.
Illustrative Mathematics
Illustrative Mathematics: A Apr Zeroes and Factorization of Quadratic Polynomial
This is the first of a series of problems building to an understanding of an important property of polynomial functions, that a polynomial of degree d can have at most d roots. Aligns with A-APR.B.2.