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Gini in a Bottle: Some Facts on Income Inequality
Delve into the hard numbers and fundamental concept of income inequality in the United States, using graphs, detailed reading materials, and an organized activity.
Curated OER
Multiplying and Dividing Fractions
In this math learning exercise, learners multiply and divide fractions and mixed numbers. They multiply two fractions, convert mixed numbers to improper fractions, and then multiply mixed numbers. Students find the reciprocals of...
Curated OER
Mathematics Lesson Plan
Second graders study subtraction facts. In this mathematics lesson, 2nd graders discuss how to solve two digit subtraction problems. Students recognize that there are many different methods or strategies one can use such as using...
Curated OER
Numbers at Work
In this activity, students will research what kinds of math skills are used in their community.
Curated OER
Fill in the Fact Families
In this fact families and patterns activity, 2nd graders fill in the missing numbers in four houses and then write the fact family for each group of numbers.
Curated OER
All In the Family
In this fact family worksheet, students analyze 5 numbers in a row. Students circle the 3 numbers that make a fact family and write the facts in that family. There are 4 problems.
Curated OER
Dried Meat
Students investigate the traditional method of drying meat used by Native Americans. They apply math concepts such as ratio, proportion, percent, and scientific notation to determine the amount of meat the is dried from an animal using...
NTTI
If You Hopped Like a Frog
Get your frogs hopping by introducing them to the concepts of ratio and proportion. As a class, they perform arithmetic operations using ratios then discover how they represent quantitative relationships. In groups, they write their own...
Curated OER
Fractions Continued
Students investigate the concept of using fractions to solve problems involving rational numbers. They order real numbers on the number line with the classification of fractions. Also students solve problems using the four operations...
Curated OER
Mental Math Problems
In this sequencing activity, students make a number sequence chart by following the given rule, continue number sequences through seven additional numbers, and continue patterns. Students solve five multiple answer problems.
Curated OER
Best lesson in the whole world!
Students study the concept of fraction using mathematical reasoning. In this problem solving fraction lesson, students use various methods to explain their reasoning in solving fractions. Students use a number of different prompts to...
EngageNY
Networks and Matrix Arithmetic
Doubling a network or combining two networks is quick and easy when utilizing matrices. Learners continue the network example in the second lesson of this series. They practice adding, subtracting, and multiplying matrices by a scalar...
Illustrative Mathematics
Accuracy of Carbon 14 Dating II
The scientific issue of carbon-14 dating and exponential decay gets a statistics-based treatment in this problem. The class starts with a basic investigation of carbon content, but then branches out to questions of accuracy and...
Curated OER
Associative Property
Here is a new twist on teaching the associative property of multiplication. The author of this presentation makes an analogy between the associative property and a couple getting married. The numbers, like people, are separate, but when...
Curated OER
Fair Shares
Sharing is an important concept for your young class to learn. Through this instructional activity the concept of sharing equally is put into math terms and will help your class understand the value of sharing.
Fuel the Brain
Addition
Addition is much more fun when you are finding the sum of different types of food! Your class will get hungry while solving these addition problems about hamburgers, hot dogs, and their condiments.
Curated OER
Math Cross-- Puzzle #33
In this math puzzle worksheet, students solve 28 problems and insert the answers into a puzzle grid. The problems include all 4 math operations, telling time, measurement, word problems, rounding, money, order of operations and math...
Curated OER
Place Value
In this place value worksheet, students solve and complete 25 various types of problems. First, they use the concept of rounding to answer the questions described. Then, students use each number once to find the largest and smallest...
Curated OER
Math Cross Puzzle #20
In this math puzzle worksheet, students solve 28 problems and insert the answers into a puzzle grid. The problems include all 4 math operations, telling time, measurement, word problems, rounding, money and math patterns. Answers will be...
Curated OER
Math Cross Puzzle #23
For this math puzzle worksheet, students solve 28 problems and insert the answers into a puzzle grid. The problems include all 4 math operations, telling time, measurement, word problems, rounding, money and math patterns. Answers will...
Curated OER
Repeated addition, Multiplication and Division
Not only will your class practice solving addition, multiplication, and division word problems, but they also have the opportunity to try to put the mathematical expression into words. These skills will help your students with future...
Curated OER
Addition and Subtraction 6
In this addition and subtraction worksheet, learners use three one-digit numbers to create correct addition and subtraction number sentences. Students write six number sentences.
Curated OER
Multiplication & Division with Arrays
Third graders work with fact families using the commutative property, arrange arrays with manipulatives, and multiply and divide symbolically with numbers.
Curated OER
Getting Started with Math By Hand Concept App
Pupils build number sense skills and gain confidence at math by hand. Review how to perform algorithms for the four basic operations. A step-by-step mode emphasizes place value in the base-ten system for each algorithm. Learners identify...
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