Curated OER
Prime and Composite Numbers
Fifth graders use prime factorization to identify prime and composite numbers. They use cubes to find factors. In groups, 5th graders draw rectangular arrays to discover prime numbers under 100.
Curated OER
Solar Kit Lesson #13 Solarize a Toy
Students work in teams they select a low-power toy, game, or electrical deive to "solarize," or convert to solar power. They determine the operating voltage of their chosen device and design a solar array to provide this level of...
Curated OER
Equal Groups of 5 practice 19.7
In this dividing by five worksheet, students use arrays to write division sentences and solve a word problem. Students write answers to five problems.
Delaware Math Cadre Elementary Committee
Operations and Algebraic Thinking
How to use the relationship between multiplication and division to solve math word problems is the focus of the instructional activity presented here. In it, fourth graders work in groups to solve problems posed by the teacher. Then,...
Desert Discoveries
Conservation Cartoons
Learners read and create cartoons that are based on endangered and threatened species. The lesson is packed with terrific student handouts, including some very good cartoons that are based on conservation and animal issues. The...
Desert Discoveries
Conservation Cartoons
Third graders read and create cartoons about endangered and threatened species of plants. Pupils are split up into groups. They each consider a conservation cartoon and attempt to decipher its meaning. They must decide if they agree or...
Curated OER
Fact Families Lessons
Have you ever tried using arrays to help you teach the fact families that go with multiplication and division? If not, you should read this article! Some excellent and easy-to-implement ideas are presented, along with some good lessons...
Curated OER
Multiplication Stories
Second graders solve various multiplication math word problems involving cars and people, fish and fish bowls, and tables and table legs. They write and solve multiplication story problems related to whole numbers, addition, subtraction,...
Curated OER
students rotate through four workstations that reinforce the concept of symmetry
Second graders, in pairs, use arrays to explore the relationship between multiplication and division.
Reading Through History
Patriots and Loyalists
Patriots versus Loyalists, a huge divide during the Revolutionary War in what would become the United States of America. An informative resource includes both direct instruction about the two groups and a quiz pupils take after reading...
Ohio Department of Education
Actions with Fractions: Adding and Subtracting Fractions with Common Denominators
Fourth graders develop a conceptual understanding of fractions and begin to add and subtract fractions with like denominators. Included is a worksheet to assess readiness and a teacher's checklist showing class understanding at a...
Scholastic
Thanksgiving Lessons Grades PreK-2
A quintessential resource for teaching an elementary unit on the first Thanksgiving addresses a variety of skills, including informational reading, critical thinking, comparing and contrasting facts, technology tools, and historical...
Curated OER
Long Division in Two Digits
In this math worksheet, students find the solutions to the problems for long division. The answers can be shown in the printable version.
Curated OER
Lengths, Areas and Shapes - Week 9
In this lengths, areas and shapes worksheet, students explore overlapping and non-overlapping patterns. They identify the number of objects in a pattern, determine how the pattern may be folded to create additional patterns, and...
Curated OER
Solving Problems
Second graders become familiar with need strategies for computation of money problems and estimating sums. In this computation lesson plan, 2nd graders solve real life problems to understand estimation and money problems.
Curated OER
Don't Eat the Crayons: Real-Life Multiplication
Third graders use items which come in sets to look for real-life multiples and write multiplication problems. This lesson assess the student's understanding of the meaning of multiplication using an array model and manipulatives.
Curated OER
"Money In My Pocket"
Second graders assess a brief history of money, the use of money, working with money as well as adding and subtracting with money and how to spend money wisely with responsibility. In addition, they discuss how everything belongs to God...
Curated OER
Wrap It Up for Chanukah!
Prepare gifts for the eight nights of Hanukkah with a fun and artistic instructional activity. Learners use various materials to make an array of unique gifts, including splatter paintings, decorated flowerpots, and stained glass...
Curated OER
"One Hundred Hungry Ants" by Elinor J. Pinczes
Students identify arrays and write multiplication and division problems to match. They write their own multiplication book using arrays.
Curated OER
Multi-Digit Multiplication
Fourth graders practice mastering the ability to multiply multi-digit numbers utilizing rectangular arrays and a variety of mental math strategies. They model and illustrate meanings of multiplication and division of whole numbers and...
Curated OER
Number in Geometry
Students use a number line to assist with their additions. They use a calculator to check for factors. Students are taught factors and multiples. They use array model of multiplication to define meaning. Students develop a wide range of...
Curated OER
Multiplication Facts for 2,5, and 10
Students practice multiplying by 2, 5 and 10. In this multiplication lesson, students participate in a teacher demonstration lesson of grouping for multiplication or making arrays. They concentrate on two's in this lesson and apply what...
Curated OER
Math Basic Skills Review 2nd Quarter
In this math skills review learning exercise, students complete a variety of multiple choice problems including one digit multiplication with variables, division, patterns, and fact families.
Curated OER
Prime and Composite Numbers
Sixth graders inspect prime and composite numbers. Using graph paper, they draw as many different shaped rectangles as possible. They use the dimensions of the rectangles to discuss prime and composite numbers. Students create a chart...