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 at...
Curated OER
"The Grapes of Math" by Gregg Tang
Learners practice mental addition and use the associative and commutative properties of addition to solve problems.
Curated OER
Simplify Expression Using the Order of Operations
Allow learners to explore both the right and wrong way of completing equations with the order of operations. They discuss how the order in which operations are performed affects the outcome of a problem. A fun "trick" using order of...
Curated OER
Lesson 3: Number Sense
Learners solve word problems using number sense. They convert fractions to decimals and mixed numbers. Pupils determine if a given fraction is greater or less than another fraction, and order numbers on a number line.
Curated OER
Fantastic Fraction Fudge
In order to create some tasty fudge, learners must adapt a recipe. Using a recipe for fudge, ingredients must be correctly converted using fractions. If one fraction is incorrect, the fudge will reveal it! Although you will only make one...
Curated OER
Operations with Positive Fractions and Decimals
Explore the concept of fractions and decimals! In this fractions and decimals lesson, pupils use fraction tiles to express fractions. They play a fraction review basketball game where when a team gets a question correct they get to shoot...
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Liquid Killer
Young scholars explore number sense applications and discuss strategies for multiplication and division using mental math. For cross-curricular purposes, they explore causes and effects of inequality and social injustice. Students...
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Calculator Spelling
Sixth graders practice creating and solving number sentences on a calculator. They interact with number facts, their properties, algorithms and estimation. Each student recognizes inverse relationships of addition, subtraction,...
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Negative Numbers
Sixth and seventh graders investigate the concept of negative numbers. The instructional activity begins with a review of positive numbers and progresses to the various operations with negative numbers. The instructional activity...
Santa Barbara City College
How to Make a Multiplication Table
Teach children how to make a multiplication table, and they'll be multiplying for life. Following this series of steps, young mathematicians learn to use patterns and the relationships between numbers to create their very own...
Curated OER
Ratio Basketball
Middle schoolers, in teams of four, practice shooting free throws while mentally converting the ratio of shots made to those thrown into a percent. They chart and record the ratio, decimal and actual percentage earned after each round.
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Life is Full of Problems
Pupils use the problem solving strategy of guess and check to investigate math word problems. They determine which problem solving strategy or strategies would work best in problem situations.
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The Meaning of Algebraic Expressions
Students define equations and expressions. In this algebra instructional activity, students review important vocabulary words to do with equations and solving problems. They simplify equations and expressions using addition, subtraction,...
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Mental Multiplication and Division
Sixth graders play a game of ArithmAttack, they complete as many multiplications or divisions as possible in 60 seconds. They go to the Mathfrog website, and select ArithmAttack. Students are asked to maximize the window, select the high...
Curated OER
Estimating Products
In this math worksheet, students round numbers to their leading digit. They multiply the results to find the estimation of the exact answer. Students estimate and then find the exact answer on six problems.
Helping with Math
#10: Solving Equations (2 of 2)
In this prealgebra activity, pupils perform addition, subtraction, multiplication, or division operations to solve for an unknown. There are 12 problems to be solved. Use this as a quiz to assess how well your class is grasping the skill...
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Measure: Perimeter, Area and Volume
Students practice measuring with formulas. In this measurement lesson plan, students complete an activity that requires them to calculate perimeter, area, and volume.
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Number: Whole Numbers and Decimals
Students explore whole numbers and decimals. In this decimal lesson, students discover how to perform multiplication with decimals as they complete a worksheet.
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Arithmetic: Fractions and Percentages
Young mathematicians review the basic operations needed for addition and subtraction of fractions. They review the rules for addition and subtraction of fractions with the same denominator, how to change them if the denominators are...
Curated OER
Metric Magic
Sixth and seventh graders construct a "metric machine" as a kinesthetic aide in converting from one unit to another in grams, liters, or meters. They complete a metric activity on the Internet and view about five minutes of a video on...
Alberta Learning
Area and Perimeter of Irregular Shapes
Evaluate young mathematicians' understanding of area and perimeter with this series of three assessment tasks. Challenging students to not only calculate the area and perimeter of irregular shapes, but to explain in writing their...
Curated OER
Units Of Measure
Students investigate concepts relating the use of the metric system of measurement. They practice the skill of estimating units and especially which ones to use in certain problems for the most reasonable answer. The lesson includes...
Curated OER
Word Problem Exchange
Learners discuss elements of word problems: key words, data, computation clues, and unnecessary information and use the four steps of problem solving to find a solution and check for reasonableness.
Curated OER
Arithmetic: Revision
Pupils practice with a variety of simple equations involving addition, subtraction, multiplication and division. Explanation is followed by each block of equations given to solve. They are set loose to complete additional equations for...