EngageNY
Sums and Differences of Decimals
Sometimes dealing with decimals is so much easier than dealing with fractions. The ninth lesson in a 21-part module has the class consider situations when it might be easier to add or subtract fractions by first converting to decimals....
Curated OER
Let's Shop
Upper graders add and subtract decimals, using concrete objects and story problems. Note: The Concentration Cards and Homework assignment link at the bottom of the plan doesn't work.
Curated OER
Addition A
Learners solve twenty five addition problems involving a series of one digit numbers. This worksheet would be a quick and easy way to review this topic.
Curated OER
Lesson Plans That Meet The Needs of All Students
Differentiated lesson plans are an excellent tool for meeting students' needs in the mixed ability classroom.
Curated OER
Solving Problems
Second graders become familiar with need strategies for computation of money problems and estimating sums. In this computation lesson, 2nd graders solve real life problems to understand estimation and money problems.
Helping with Math
Addition - Four 4-digit Numbers
Stack up those digits and get your fourth graders adding! This printable handout displays 20 addition problems in which pupils find the sum of four four-digit numbers. With a click of the box in the upper left corner of the web page,...
Curated OER
Immigration Unit
Third graders develop an appreciate for the various cultures that are present in their local community. Through reading and research, they explain how various culture came to live in their area. At the conclusion of the unit, 3rd...
Curated OER
Hangtags and Labels
Students brainstorm the information found on hangtags and labels. They discuss the necessity of hang tags and create a hangtag to advertise or identify themselves. Afterward, they share their tags with their peers and answer discussion...
Curated OER
Place Value Popsicles
Students play a place value game using popsicle sticks and dice. They investigate units and tens.
Curated OER
Unit 2 Sun & Stars
Young scholars describe stellar objects using terms such as stars, planets, satellites, orbits and light. In this sun and stars unit, students research stellar objects through seven individual lessons discovering star characteristics,...
Curated OER
Problem-Solving Decision: Explain Your Answer - Reteach
In this problem solving worksheet, 3rd graders solve 3 word problems in which they add or subtract with three digit numbers. They write an explanation of how they solved the problem.
Curated OER
Addition - Three 1-Digit Numbers
In this addition practice worksheet, students practice their computation skills as they solve 30 problems that require them to add 1-digit numbers. Each problem has 3 addends.
Curated OER
Addition - Three 2-Digit Numbers
In this addition practice instructional activity, students practice their computation skills as they solve 25 problems that require them to add 2-digit numbers. Each problem has 3 addends.
Curated OER
Charting Animal Life Spans
Second graders research animal life spans and complete related math activities. In this life span lesson, 2nd graders read How Many Candles and discuss life spans. Students arrange animal cards based on their life spans. Students find...
Curated OER
Solving Money Problems
For this money worksheet, students solve problems where they add amounts of money in addition problems and finding the total cost of items. Students complete 8 problems.
Curated OER
I'm done! Now, what can I do in Math?
Here are some ways to avoid having bored students or a stressed out teacher when students finish their math work quickly.
Curated OER
Shopping for Toys
Young scholars pretend as if they have just won a $100 gift certificate to buy some toys and must try to spend as much of it as they can without going over.
Curated OER
Grass roots human rights
Students examine Professor Lowitja O'Donoghue's Ten Point Plan for Human Rights Action. They consider what initiatives they, as a group or as individuals, can take. Students analyze which human rights issues in Australia that they feel...
Khan Academy
Khan Academy: Subtracting Two Digit Numbers (No Regrouping)
In this exercise, students practice subtracting two-digit numbers (no regrouping). Students receive immediate feedback and have the opportunity to watch a tutorial video, get hints, and try questions repeatedly.
Lawrence Hall of Science
The Math Page: Skill in Arithmetic: The Meaning of Subtraction, and Mental Calculation
This website explains and defines basic subtraction. There are practice problems at the very end of this lesson.
Khan Academy
Khan Academy: Regrouping: Two Digit Number Minus One Digit Number
In this exercise, students practice regrouping with two-digit number minus one-digit number. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Cool Math
Coolmath: Coolmath4kids: Subtracting Numbers Within 100 With Regrouping
A step-by-step tutorial showing how to subtract using two-digit numbers in the tens and ones columns with regrouping. Includes sample problems to try. It also provides links to subtraction games and more.
CK-12 Foundation
Ck 12: Elem Math: Subtracting 2 Digit Numbers With Regrouping
[Free Registration/Login may be required to access all resource tools.] The video describes how to solve a two-digit subtraction problem with regrouping. The video is followed by additional problems for students to practice the skills...
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