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Math Solutions
Factor Game
Learning about factors and multiples is all fun and games with this simple math activity. The instructional activity begins with the teacher and class playing the Factor Game together as students figure out the rules and...
Texas Instruments
Greatest Common Divisor and Least Common Multiple
Students solve problems using the GCD and LCM. In this algebra activity, students factor and simplify equations using the greatest common and least common factors and multiples. They factor integers in pairs.
Curated OER
Grade 5: Multiple Towers
Fifth graders use interlocking cubes to build towers to represent factors of numbers and place the towers in the appropriate places on a Tower chart in order to look for patterns. They work in partner groups, and finish by writing...
Curated OER
Mathematics Within: Algebraic Processes and Its Connections to Geometry
Fifth graders discover the connections between algebra and geometry. With a focus on arrays and factors, they are introduced to multiplication. They develop an array for multiples of 2 through 10 and identify the factors of each row....
Curated OER
Pascal's Triangle
Learners explore the concept of Pascal's Triangle. In this Pascal's Triangle lesson plan, students use an applet called 'Coloring Multiples' to explore Pascal's Triangle. Learners develop patterns starting with various numbers in...
Education Development Center
Integer Combinations—Postage Stamps Problem (MS Version)
Number patterns can seem mysterious. Help your learners unravel these mysteries as they complete an intriguing task. Through examination, collaborative groups determine that they are able to produce all integers above a certain...
Curated OER
Factoring
Ninth graders factor equations and find prime numbers. In this algebra lesson, 9th graders find the factors and prime factors of a number using multiples and relatively prime numbers.
Illustrative Mathematics
An Integer Identity
Challenge algebra learners to use the difference of cubes to solve this problem. Once your charges have taken out the factor (a - b), combined the like terms and set them equal to zero, the problem becomes a factorable quadratic...
Illustrative Mathematics
Equivalent fractions approach to non-repeating decimals
Trying to get your class to think of decimals as fractions and vice versa can lead to interesting discussions. After all, we can usually understand quickly that 1/4 is .25 but why is 1/7 not so easy to convert? This activity looks...
Curated OER
Square Roots
Students differentiate between perfect roots and rational roots. For this algebra lesson, students perform operation using roots. They add, subtract, multiply and divide rational expressions.
Curated OER
The Quadratic Formula
Pupils solve quadratic function by completing the square. In this algebra instructional activity, students use the quadratic formula to factor quadratics and find the roots. They graph the parabola and identify its properties.