Worksheet
Curated OER

Least Common Multiple

For Students 8th - 10th
In this least common multiple worksheet, students write numbers as a product of primes to determine the least common multiple. Explanations and examples are provided. This two-page worksheet contains ten problems.
Lesson Plan
Curated OER

Finding the LCM

For Teachers 4th - 8th
Students explore the concept of finding the least common multiple of two numbers. In this least common multiple lesson, students find the least common multiple of two numbers.
Worksheet
Curated OER

Finding the Least Common Multiple

For Students 6th
In this finding the least common multiple worksheet, 6th graders use two methods, a list of multiples or prime factorization, to find least common multiples.
Lesson Plan
Curated OER

Playing the LCM Game

For Teachers 5th - 8th
Students practice finding the least common multiple of two numbers.  In this practice finding the least common multiple of two numbers lesson, students play head-to-head against their classmates.  Students play a version of...
Worksheet
Curated OER

Math Quiz: Least Common Multiple

For Students 6th
In this math quiz:  least common multiple worksheet, 6th graders find the LCM for 8 pairs of numbers, then answer 3 multiple choice word problems.
Worksheet
Curated OER

Word Problems Using the Lowest Common Multiple

For Students 6th
In this word problems using the lowest common multiple worksheet, 6th graders answer 10 multiple choice problems, with answers at the bottom on the screen.
Worksheet
Curated OER

Addition and Subtraction of Rational Expressions

For Students 9th
In this rational expressions instructional activity, 9th graders solve and complete 15 different problems that include adding and subtracting rational expressions. First, they define Least Common Multiple to get a common denominator in...
Lesson Plan
Curated OER

Mathematics Within: Algebraic Patterns

For Teachers 7th - 10th
Students comprehend that ratios and fractions are interchangeable. They compare ratios using common denominators, cross multiplication, and intuition. Students find equivalent fractions. They comprehend that equivalent ratios do not...
Worksheet
Curated OER

Subtract the Fractions

For Students 3rd - 4th
In this finding the differences of fractions worksheet, students subtract fractions with common denominators. Students solve 12 problems. 
Lesson Plan
Texas Instruments

Greatest Common Divisor and Least Common Multiple

For Teachers 8th - 12th Standards
Students solve problems using the GCD and LCM. In this algebra lesson, students factor and simplify equations using the greatest common and least common factors and multiples. They factor integers in pairs.
Activity
Illustrative Mathematics

Mixed Numbers with Unlike Denominators

For Teachers 5th Standards
There is more than one way to add mixed numbers. This worksheet asks 5th graders to find and record two ways. The purpose is to help pupils realize there are different ways to reach a common solution in math. The two most common ways are...
Lesson Plan
Curated OER

Adding Fractions and Mixed Numbers

For Teachers 5th
In this mathematics worksheet, 5th graders use the diagram to identify how many parts are shaded and what fraction of a pizza is this. Then they use the common denominator to add the numerators and simplify the fraction.
Lesson Plan
Curated OER

Finding The LCM

For Teachers 4th - 8th
Pupils find the least common multiple. For this LCM lesson, students find the multiples of two numbers. They view which multiples are common between the two numbers and then find the smallest. 
Worksheet
Curated OER

Subtract Mixed Numbers with Like Denominators (H)

For Students 5th
In this mixed number subtraction worksheet, 5th graders rename the first mixed number. Students then subtract the whole numbers and fractions. Students solve 7 mixed number problems.
Worksheet
Curated OER

Subtract Mixed Numbers with Like Denominators (J)

For Students 5th
In this mixed number subtraction worksheet, 5th graders rename the first mixed number. Students then subtract the whole numbers and fractions. Students solve 7 mixed number problems.
Worksheet
Curated OER

Add Mixed Numbers with Like Denominators (H)

For Students 5th
In this mixed number addition worksheet, 5th graders add the whole numbers and then the fractions in the mixed number equations. Students reduce the fractions to solve the 14 problems.
Worksheet
Curated OER

Add Mixed Numbers with Like Denominators (I)

For Students 5th
In this mixed number addition activity, 5th graders add the whole numbers and then the fractions in the mixed number equations. Students then reduce the fraction to solve the 14 problems.
Lesson Plan
Curated OER

Rational Equations and Proportions

For Teachers 7th - 8th
In this rational equations worksheet, students solve and complete 11 various types of problems. First, they find a number that is the reciprocal of one described in each statement. Then, students solve for the variable in each expression.
Lesson Plan
Curated OER

Making Cents of Fractions and Decimals

For Teachers 4th - 5th
Students explore decimals and fractions using groups of 100 pennies. By classifying the pennies in different ways, there are an unlimited number of ways to learn fractions, decimals, and place value in money. This is a good, hands-on...
Lesson Plan
Curated OER

Adding and Subtracting Mixed Numbers Lesson Plan

For Teachers 4th - 5th
Students investigate fractions while adding and subtracting mixed numbers. They discuss how to add and subtract mixed numbers and they practice working with mixed numbers. They complete a worksheet while working with mixed numbers.
Worksheet
Curated OER

Adding and Subtracting Mixed Fractions (F)

For Students 4th - 6th
In this adding and subtracting like mixed numbers worksheet, students solve 10 problems that require them to add and subtract like mixed numbers.
Worksheet
Curated OER

Adding and Subtracting Fractions [C]

For Students 4th - 5th
In this fraction worksheet, students add or subtract like fractions, 10 problems total. Answers are included on page 2 and a link to more worksheets is present.
Worksheet
Curated OER

Adding and Subtracting Fractions [D]

For Students 4th - 5th
In this fraction learning exercise, students add or subtract 10 fraction problems. Answers included on page 2; a link to additional worksheets is present.
Worksheet
Curated OER

Adding and Subtracting Like Fractions [E]

For Students 4th - 5th
In this fraction instructional activity, students add or subtract 10 fraction problems. Answers included on page 2; a link to additional worksheets is present.

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