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.
Curated OER
Odd Is In
Pupils play a game with coins and then use reasoning skills to develop a strategy for winning the game.
Pennsylvania Department of Education
Links Away: Looking Back and Moving Forward
Students explore fact families. In this math lesson, students use links to model a fact family. Students solve addition and subtraction problems.
Curated OER
Defining Culture
Second graders define the term culture and are exposed to a variety of cultures from around the world. They read books, play Native American games, develop a class book that examines their own culture and, after examining currencies from...
Curated OER
Does the falling tree make a sound if no one if there to hear it? (or communication via encryption)
Students explore encryption. They discuss the importance of cryptography in our daily lives. Students use games and cryptography to discover transformational geometry and modulo systems. They design their own encryption puzzles and...
Curated OER
A collection of Addition Lessons
Students solve problems by adding. In this collection of addition lessons, students answer a variety of word problems and utilize addition skills. Links provide access to definitions and sample problems.
Curated OER
Multiply One-Digits
In this finding the products worksheet, students multiply one-digit times one-digit numbers to solve. Students solve 35 problems.
Curated OER
Let's Learn Those Facts
Students practice adding one digit numbers. In this practicing adding one digit numbers lesson, students roll dice to determine which one-digit numbers they will add together. Students practice adding one digit numbers for...
Helping with Math
Addition: 3-Digit Sums
The title is a bit confusing, but understand that the addends are only two-digit numbers. It is the answers, the sums, that will consist of three digits. Learners solve six addition practice problems. Answers can be obtained by clicking...
Curated OER
The Attribute Train
Students participate in a hands-on activity working with attribute blocks. After reading a story about attributes as a class, they each are given two attribute blocks. The first student lays one attribute block on the floor with the next...
Curated OER
Multiplication Practice
In this multiplication instructional activity, students write the answer to the multiplication question. Students are given 36 problems to practice the skill.
Pennsylvania Department of Education
Adding and Subtracting Three-Digit Numbers by Jumping
Second graders use data to graph information and draw conclusions. In this instructional activity on data analysis, 2nd graders practice gathering, sorting, comparing, and graphing data. Students differentiate data that can and cannot...
Curated OER
Number in Statistics
Second graders add two and three digit numbers. They are taught how to calculate the mean and the midpoint. Students are shown how to calculate symmetrical set of numbers. They are shown a model adding the same to each increases the...
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...
Alabama Learning Exchange
Bird Migration
Learners study the concept of bird migration. In this bird lesson, students read Make Way for Ducklings, discuss the concept of community, and write reflections.
Curated OER
What Do Salt Trucks Do?
Students predict what will happen to ice when salt is put on it. They make observations and discuss what actually happened to the ice. They relate their experiment to the salt trucks they see on the street.
AAA Math
Aaa Math: Properties of Addition
Explains the four mathematic properties of addition. Gives exercises and games to practice this skill.
E-learning for Kids
E Learning for Kids: Math: School Bus: Missing Terms: Number Patterns
Students play a variety of learning games to explore number patterns by finding missing terms, using a calculator, and studying tables and a hundreds chart.
E-learning for Kids
E Learning for Kids: Math: Soccer Stadium: Multiplication and Estimation
Join Carlos in his soccer game and help him with some multiplication and estimation problems.
![K 5 Math Teaching Resources: Turn Around Trains [Pdf] Activity](https://d15y2dacu3jp90.cloudfront.net/images/attachment_defaults/resource/large/FPO-knovation.png "K 5 Math Teaching Resources: Turn Around Trains [Pdf] Activity")
K-5 Math Teaching Resources
K 5 Math Teaching Resources: Turn Around Trains [Pdf]
Play a game with cubes to explore commutative property of addition.
Thomas Jefferson National Accelerator Facility
Jefferson Lab: Place Value Game
This interactive math game lets you create the largest number possible as the computer gives you numbers.
BBC
Bbc: Bitesize: Maths: 2 D Shapes
Learn about the properties of 2-D shapes: circles, triangles, polygons, and quadrilaterals. Includes information, video, and examples about each, with games and quizzes for reinforcement.
Doina Popovici
Math Play: 2 D Shapes Jeopardy
Review basic facts and properties of two-dimensional shapes in this interactive game.