Curated OER
The Multiplier (origin of the algorithm)
Learners explore basic algorithms for addition, subtraction, and multiplication. They use models to demonstrate solving two-digit by two-digit multiplication. Students demonstrate vertical formats to solve multiplication problems.
Alabama Learning Exchange
Battle to the Death: Adding Integers
Young scholars explore the concept of adding integers. In this adding integers lesson, students simulate the battle of the 300 spartans at Thermopylae. Young scholars use colored game pieces to represent positive and negative...
Curated OER
Language Arts: Inside, Outside, Upside Down
Students create a computer slide show of pictures representing directional words. After listening to several books with examples, they pair words such as inside and outside, below and above, or high and low. With older students or...
Curated OER
Venn Diagrams & Word Problems
Learners explore the concept of Venn Diagrams through word problems. In this Venn Diagram lesson, students solve word problems about groups of people using Venn Diagrams. Learners use survey results about MySpace and Facebook in a Venn...
Pennsylvania Department of Education
Comparing Sets
Students count back with cubes to model subtraction problems. In this subtraction lesson plan, students compare sets of problems and record their results in a table.
Curated OER
The School Store
Learners choose between the operations of addition or subtraction to solve a real life problem. In this addition and subtraction lesson plan, students make a chart of items sold in the school store. Learners then work in teams to apply...
Curated OER
Units Multiplication Closure Activity
Students practice multiplication. In this multiplication instructional activity, students multiply two numbers and closely examine how multiplication affects the units digit of the product.
Curated OER
Equivalent Fraction Licorice
Students discuss the meaning of "equivalent" and look for similarities in a bag of pre-cut licorice given to their group. In this math lesson, students experiment with making equivalent pieces of licorice from other pieces. Students...
Curated OER
Two By One Multiplication
Third graders use base-ten blocks to find products of two-digits by one-digit by making a model of the problem. They complete a worksheet by multiplying 2-digits by 1-digit with regrouping. They may use the base-ten blocks if needed.
Curated OER
Know Your Fractions
In this math worksheet, students practice solving the problems that use fractions. They match the fractions with the picture of pie pieces.
Curated OER
Number Books
Students construct a book to illustrate number concepts. They write their numbers on a sheet of paper. Students in grade 1 discuss counting to 100 by different numbers. Pupils in grades (2-4) write basic addition or subtraction story...
Curated OER
Milk and Dairy, Day 1
Students review different types of milk products and their characteristics, demonstrate how to select and prepare milk and milk products, identify standard serving sizes, define terms associated with milk and milk products, and practice...
Helping with Math
Multiplication: 2-digit x 1-digit to 999
Thirty quick problems make this an ideal assessment when learners are working with two-digit multiplication. Note that this has been identified by the publisher as aligned to meet CCSS.Math.Content.4.NBT.5, it is rather simple and likely...
Helping with Math
Multiplication: 2-digit x 2-digit - no regrouping
For those who are just starting out with multiplying multiple digits, this is an appropriate assignment. No regrouping is required as mathematicians find the product for 30 different problems. Answers are provided.
Pennsylvania Department of Education
Associative Properties
Young scholars investigate the associative property of addition. In this associative property of addition lesson, students work in pairs and build addition problems with six blocks. They sit on either side of a desk so that they can...
Curated OER
Place Value Calculator Work
In this place value worksheet, 5th graders have the opportunity to work with a calculator. Students complete 15 problems ordering the correct operation, using greater than and less than, and arranging digits into new numbers.
Curated OER
A McTrip Back In Time
Students pretend they are time-travellers and travel back to 1954 to a McDonald's Restaurant to see how prices have changed. They need to add and subtract money with regrouping.
Curated OER
Subtraction Shopping
Students subtract two digit numbers. They check each other's answers for accuracy.
Curated OER
Number Subsets: Winning the Number Game
Eighth graders review their understanding about numbers and number systems through playing the Number Game. They create a list of numbers and based upon the characteristics and properties of the numbers they will earn points.
Curated OER
What And Where is Puerto Rico?: History of Puerto Rico
Students study the history of Puerto Rico. They define what a commonwealth is and how Puerto Rico became a commonwealth of the United States. They research websites for history of Puerto Rico and how it operates today. They complete...
Curated OER
Add & Subtract Fractions w/Unlike Denominators, 2
Students use several examples to create a method for adding and subtracting fractions with unlike denominators. They present these methods to the class and then practice applying methods to sample problems.
Curated OER
Doing The School Run
Learners explore finding the percent of a numbers. They survey their peers to determine modes of transportation used in getting to school. Afterward, students organize information and create graphs and charts. They explore alternative...
Curated OER
"Adding It Up" at James Fort
Students discuss jettons and their archaeological importance at Jamestown. They then practice using historic counting sheets and artifacts to understand the calculating methods of the early 17th Century, and identify their similarities...
Curated OER
Expanded Form and Place Values
Third graders write a number in their journals that the teacher dictates. They use place value tents to make the number and write it in expanded form. Next, they repeat the process before making numbers that are more or less than the...