EngageNY
Addition and Subtraction Formulas 2
Knowing the addition formulas allows for the calculations of double and half formulas. The fourth installment of 16 has the class use the addition formula to develop the double angle trigonometric formulas. Using the double formula,...
Curated OER
Developing Strategies for Addition and Subtraction
Primary graders develop strategies to assist them with addition and subtraction. They discover number combinations and numerical facts which enable them to add and subtract more effectively. Young scholars use these techniques to...
Curated OER
Math Lesson Study Plan
Second graders find missing addends by solving math word problems. In this missing addend lesson, 2nd graders work in a whole group setting to find the missing addends in word problems before using the strategies to work independently....
Curated OER
Adding Two- and Three-Digit Numbers
In this adding two- and three-digit numbers worksheet, students, with a partner, problem solve and calculate the answers to eight mathematical word problems and equations.
Curated OER
Double Serving Lesson Plan
First graders add doubles numbers in number sentences. In this doubles numbers lesson plan, 1st graders list things that come in pairs, create doubles addition sentences, and solve riddles with doubles.
Curated OER
The Part-Adder 2
Third graders use mental-math strategies to solve two-digit plus two-digit addition problems. They observe and discuss online demonstrations, solve word problems as a class, and independently solve problems and describe their solutions...
Curated OER
The Magic Pot
Second graders complete activities with the book The Magic Pot. In this comprehension lesson, 2nd graders read the story, answer comprehension questions, and create a storyboard. They also complete Magic Pot math by working on...
Curated OER
Fraction Animals
Second, third, and fourth graders explore fraction strategies and division by splitting sets of farm animals into equal numbers. Independently, they read word problems, solve them, and check their answers.
Curated OER
Adding and Subtracting Bears and Goats
First graders evaluate math problems using farm animals. In this consumer math lesson, 1st graders discover math problems which concern quantities of farm animals. Students discover new strategies to help them analyze their...
Curated OER
Addition/Subtraction Strategies
Third graders recall all their addition and subtraction facts to 20. They use the relevant number strategy with whole numbers. Students are taught place value in relation to decimals, and identify 'which decimal is larger.' They...
Curated OER
Place Value
Second graders complete math problems. In this place value lesson, 2nd graders read the book "One Grain of Rice" and use it to learn about place value. Students use index cards and rice to complete a place value activity.
Curated OER
Ordering Numbers to 1,000
In this ordering numbers to one thousand worksheet, students, working with a partner, calculate the answers to eight word problems involving ordering numbers to one thousand.
Curated OER
Introduction to Exponents
Problem solve using exponents. Pupils read One Grain of Rice: A Mathematical Folktale and write powers to represent amounts from the story.They compare actual solutions to their predictions and play a game to practice using...
Bob Prior
The Order of Operations
Your learners use many different number representations like positive and negative integers, exponents, radicals, and combinations of operations as they learn and strengthen their use of the order of operations. Thoughtfully organized to...
Curated OER
Modeling Basic Operations
Eighth graders engage in a lesson that investigates basic mathematical operations using a number line. They use props for hands on activities of visualizing the solution to a particular problem.
Curated OER
Communicative & Associative Properties
Eighth graders participate in activities to explore communicative and associative properties. Given double color counters, 8th graders create arrangements to demonstrate the properties. They discuss the strategies used to model each...
Curated OER
Baseball Math
First graders solve baseball-themed addition problems. Working in pairs, 1st graders drill each other on simple addition facts using baseballs. At the completion of group time, students introduce their partner and share their...
Curated OER
Paint Plus
Using the computer and the Paint program, Students explore the different tools available in the paint program, and then create a picture showing two sets of pictures and an equation.
Ahisma Summer Institute
The Power of One - Math in a Different Angle
In this 2-day lesson focused on exponents, middle schoolers will cross the curriculum by engaging in science, history and language arts activities. Exponential growth will be explored using grains of rice on a chess board. Exponential...