Curated OER
Estimating Prices
Students practice making reasonable estimates. In this consumer math, students round purchase prices of items to estimate the total cost. Students practice using metal computations to arrive at estimates.
Curated OER
Jack and the Beanstalk Estimation
Students use estimation and pencil-paper calculations to help Jack and his mother solve a variety of life problems. They solve problems using various math operations, i.e., addition, subtraction, and measurement.
Helping with Math
#6: Addition and Subtraction Equations (2 of 2)
This printable contains 12 basic equations to be solved. The first one is worked out as an example, and the answers for all can be found by clicking on a "Show Answers" box found on the website. The publisher has identified this as...
Helping with Math
#5: Addition & Subtraction Equations (1 of 2)
Single-step addition or subtraction operations are applied in order to solve these 12 simple equations. An answer key is available, not so much for you, but perhaps to be used by learners as a self-correction tool. Note that the...
Helping with Math
Solving Equations with Two-Stepping! (2 of 4)
Multi-step problems are part of the progression when learning to solve equations. These 12 problems require only two steps to arrive at an answer. Either print the page out to assign as homework, or have learners write down the problems...
Curated OER
Super Cents
Second graders study money amounts less than a dollar. In this math lesson, 2nd graders practice counting coins. Students read various stories and discuss how money was used in the stories.
Curated OER
Life is Full of Problems
Pupils use the problem solving strategy of guess and check to investigate math word problems. They determine which problem solving strategy or strategies would work best in problem situations.
Curated OER
Grocery Races
Fifth graders apply their knowledge of math in a grocery shopping trip. In this math lesson, 5th graders use addition, subtraction, multiplication and division to help them with their shopping. The teacher sets up a mock supermarket in...
Curated OER
Smart Doubling
Second graders use mental math in calculations involving addition and subtraction. They study doubles facts to work out addition problems mentally using part and or whole reasoning.
National Security Agency
Introducing Integers and Their Operations
There's nothing negative about this mini-unit on integers! Engaging young mathematicians in a series of hands-on activities and collaborative learning opportunities, this resource offers an excellent way to introduce your class...
Curated OER
Matrix Madness!!
Perform operations to add, subtract, multiply and divide matrices. Then solve problems with vectors using matrices. A three day lesson plan: Matrix Madness, Mystical Matrices, and Decode the Encode. The last lesson plan has prizes that...
National Security Agency
Ordering, Adding and Subtracting Integers
Prealgebrarians use colored chips, stickers, and pencils to explore the world of integers. They discover absolute value, compare positive and negative integers, and apply operations to them. A detailed procedure for the three-part...
Achieve
Corn and Oats
How much land does a parcel hold? How much fertilizer does it take for a field of corn? Pupils answer these questions and more as they apply ratio reasoning and unit analysis.
Common Core, Inc.
Multi-Digit Whole Number Subtraction
A thorough exploration into subtracting multi-digit numbers, this series of lessons is an excellent way to guide learners of any skill level. With a step-by-step lesson plan and straightforward assessment tools, kids are sure to...
Curated OER
Think of a Number
In this math worksheet, students engage in a mental math activity. Student think a number and follow several computations with that number and always come up with the answer 9. Students discuss why this happens.
Curated OER
Operations for Problem-Solving
Students examine a problem and develop the best method to arrive at the solution. In this math lesson, students apply basic math skills by coming up with the correct steps to solve a word problem. ...
Curated OER
Investigations into Estimations
Learners gain the powerful tools of estimation, prediction, and averaging and discover the importance these tools have in daily living.
Curated OER
Multi-Digit Multiplication
Fourth graders practice mastering the ability to multiply multi-digit numbers utilizing rectangular arrays and a variety of mental math strategies. They model and illustrate meanings of multiplication and division of whole numbers and...
Curated OER
Take Me Out to the Ball Game
Learners play a math game which assesses their mastery of selecting the appropriate operation to solve specific problems.
Curated OER
Multiplication Strategies and Writing Story Problems
Third graders model multiplication problems using Unifix cubes. They compute and solve problems involving addition and subtraction of 3- and 4- digit numbers and basic facts of multiplication and division. They practice mental math...
Curated OER
The Number Toolbox-Vocabulary Test
For this numbers vocabulary worksheet, students complete a 10 question matching quiz, matching math terms with their definitions. Answers included on page 2.
Curated OER
Numbers and Operations- 24
Students construct number sentences. In this computation lesson, students participate in a game using four numbers to make the number 24.
Curated OER
The Nuts and Bolts of a Mathematical Expression
Fourth graders complete a worksheet that asks them to order operations within a mathematical expression. students evaluate the expressions in the correct order using mental math and paper. The results are recorded on the worksheet.
Curated OER
Equal Additions
Students explore the relationships between numbers through the use of "equal addition" and "equal subtraction." Through the use of number sense, they are able to computer addition and subtraction problems mentally. Individually,...