Curated OER
Subtraction Numbers to 9
In this math instructional activity, students find the answers to the 30 subtraction problems. The solutions can be checked by using addition.
Curated OER
Rules of Sign Change
Students manipulate negative and positive numbers. In this integers lesson, students move through three activities exploring negative and positive whole numbers. A number line, cardboard function representation, and solving expressions...
Curated OER
Jo's Table
Students continue a sequential pattern using a partially filled in table and simple addition exercise. They use problem solving strategies such as guess and check, make a table, look for patterns. They discuss their finding with the class.
Curated OER
Stock Market Fractions
Students solve addition and subtraction of mixed numbers. After a teacher lead discussion on the stock market, students use addition and subtraction to model the stock exchange. In groups, students participate in a "Stock Up and Win"...
Curated OER
Triangle Sums
Fourth graders determine a way to place numbers in the nine circles that are arranged in a triangular pattern so that each side has an equal sum. They use each number once and practice adding single digit numbers.
Foreign Policy Research Institute
Ancient History: The Importance of Logistics in Greek & Roman Armies
Before one can understand the military tactics practiced throughout history, he needs to become familiarized with tactics practiced in the ancient past. Learners take a critical look at the military logistics used by Alexander the Great...
Curated OER
Multiplication
Students practice their multiplication facts by reinforcement and repetition. Students write facts in their math journals, and use labeled soccer ball and deck of cards to practice multiplying by "number of the day." Play continues until...
Helping with Math
Subtraction : 3-digit and 2-digit
Does your class need a little extra practice subtracting two-digit subtrahends from three-digit minuends? Here are 30 practice problems just waiting for answers; some problems require regrouping and some do not.
Pennsylvania Department of Education
Volume of Compound Figures
Fifth graders use patterns, models and relationships to solve equations. In this equations instructional activity, 5th graders define vocabulary for equations and complete worksheets explaining variables and solving problems.
Curated OER
Prefix-Suffix Rummy
Students correctly build new words by adding a prefix and/or suffix to existing base words.
Curated OER
Accounting -- Journalizing Sales and Cash Payments
Students brainstorm a list of what they believe a customer is. In groups, they practice journaling sales to a customer who pays with cash or with credit. To end the lesson, they discover the proper way to prove cash payments at the end...
Curated OER
Castle Ball
Students practice working together as a team while playing both offense and defense.
Curated OER
The Grouchy Ladybug
Students complete a Cirlce Map about time. They recall times during the grouchy ladybugs travels, and add dots on ladybugs using turn-around facts. Pupils correctly sequence the events of The Grouchy Ladybug. Students compose new...
Helping with Math
SubtractionL 3-digit - 2-digit
In this assignment, math minors solve 30 subtraction problems. Two-digit subtrahends are taken away from three-digit minuends. Often, regrouping will be necessary to arrive at the difference. Terrific practice with an answer key provided!
Curated OER
Grade 5 Basic Math
In this grade 5 math worksheet, 5th graders answer a set of 22 multiple choice problem solving and estimation questions. Worksheet may be completed on-line and answers submitted.
Curated OER
Hot Dog Stand: The Works
Learners strengthen skills in mathematics, problem solving, and communication skills by working together in groups using "Hot Dog Stand: The Works" educational software.
Curated OER
Counting on 1, 2, and 3
In this counting one, two and three worksheet, learners, working with a partner, practice answering seven word problems and equations.
Curated OER
Mussel Movements
Students consider the impact of invasive species on local environments. In this ecology lesson, watch the video, Arizona Wildlife Views, which focuses on invasive species. Students develop vocabulary, relate to meaningful comprehension...
Starfall
Starfall: Addition and Subtraction Strategies
This learning games focuses on addition and subtraction by filling in the missing number. At the end children can use the arrows on the computer to work a boy through a maze.
University of Cambridge
University of Cambridge: Nrich: Game Criss Cross Quiz
Use this online game to improve your subtraction or addition skills while you play on a coordinate plane gameboard. Gain skills in two areas at the same time! This game can also be altered to practice multiplication facts. There is a...
ReadWriteThink
Read Write Think: Spelling Patterns "Go Fish" Card Game
Contains plans for four lessons that ask students to make spelling cards grouped by spelling patterns. These cards are then used in a "Go Fish" style card game. In addition to objectives and standards, this instructional plan contains...
Math Is Fun
Math Is Fun: Add Em Up
This is a demo version of the game with two modes of play. In one, you must place number tiles on a grid so that the tiles touching it add up to that number. In the second mode, you solve number puzzles. Be sure to read the instructions...
ICT Games
Ict Games: 100 Hunt: +11
You will need to add 11 to the target number given. Find the sum and click on it in the hundreds chart. See if you can keep your time score as low as possible.
ICT Games
Ict Games: 100 Hunt: +10
You will need to add 10 to the target number given. Find the sum and click on it in the hundreds chart. See if you can keep your time score as low as possible.