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Curated OER
How Many More?
Students complete subtraction problems where they use goldfish crackers as their manipulatives in the problem. In this subtraction lesson plan, students use words and pictures to also show their problems.
Curated OER
Regroup Ones
In this addition instructional activity, learners solve 17 problems in which three digit numbers are added with regrouping. There is one story problem on the page.
Curated OER
Estimating
In this estimating worksheet, students review how to estimate and round numbers. Kids then estimate the three number addition problems by rounding the numbers to the nearest hundred. Students then find the exact answer. Students finish...
Curated OER
Addition with Regrouping
For this online interactive addition with regrouping worksheet, students solve 18 problems that require them to add 3 digit numbers to 3 digit numbers with regrouping.
Helping with Math
Addition - Three 3-Digit Numbers
There are 20 addition problems on this assignment, all of which require the addition of three three-digit numbers. All of them will require some regrouping to solve. This is terrific arithmetic practice to assign as homework. An answer...
Helping with Math
Decimals: Dividing -3
In this decimal division worksheet, students divide the decimal equations for 18 problems. Students improve their division skills by completing the online division activity.
Curated OER
Subtraction: Decimals
In this decimal subtraction worksheet, students solve 15 problems that require them to subtract decimal numbers with 1-5 digits.
Pennsylvania Department of Education
Adding and Subtracting Three-Digit Numbers by Jumping
Second graders use data to graph information and draw conclusions. In this lesson plan on data analysis, 2nd graders practice gathering, sorting, comparing, and graphing data. Students differentiate data that can and cannot change over...
Curated OER
Making Changes
Students observe and record the changes they see when adding heat and cold to objects. In this changes lesson plan, students experiment with different objects and see if heat and cold change the makeup of the object. They then record...
Curated OER
Balancing Discoveries
Students use a balance to help them with their addition facts. In this addition lesson plan, students also play the seven up game to memorize their facts.
Curated OER
Number Sentences
Fifth graders become familiar with problem solving strategies of guess and check and working backwards. They demonstrate the basic concepts of addition, subtraction, multiplication, and division using a math sentence.
PBL Pathways
College Costs 2
What is the financial benefit for attending a community college for the first two years before transferring to a four-year college? The second part of the educational lesson asks young scholars to explore this question through data...
Curated OER
The Cy Young Winner
In this math problem solving problem, students complete a chart showing the total points each of 5 pitchers received in the voting for the Cy Young award. The solution to the problem is included on the page.
Curated OER
Expression And Joy With Line, Shape And Color
Learners create positive and negative art shapes and compose a piece of Expressionistic art using those shapes and the ideas of color, line, and shape in this 5th through 8th grade Art lesson. Options are available for individual or...
Curated OER
Number Line Game
Students understand number line concepts and the addition of positive and negative integers. In this number line lesson, students create and use a number line to play a game. Students will use different colored dice to represent positive...
Curated OER
Common Sense Cookie Shop
First graders shop for a bag of cookies using toy money. In teams, they choose which variety to buy and decides which bills and coins are necessary to buy the bag of cookies and a cashier makes change. They tally the cookies purchased...
Curated OER
Exploring the Night Sky: Summer
Students explain how moon phases occur. They describe and explain at least two common misconceptions that people have about the moon. Students explain what a star is. They explain 3 ways that the night sky has been used throughout history.
Texas Commission on the Arts
The Quarter Fold
Little ones identify the US quarter and explore the concept of one-fourth or one-quarter. Using real coins or coin manipulatives, they divide a square piece of paper into quarters, discuss halves and quarters, and create a design that...
Curated OER
Chemistry Lab-Molar Volume of Gas
Students determine the molar volume of hydrogen gas. In this molar volume lesson plan, students find the molar volume of hydrogen produced in a reaction between magnesium and hydrochloric acid. They use a eudiometer to measure the volume...
Curated OER
Prize Numbers
Students explore what a proof is, how and why mathematicians create them and compose essays on how reason and logic are employed in the workplace. They explore whether any three lines can make a triangle and attempt to verify Goldbach's...
Pennsylvania Department of Education
What Balances?
Students explore another meaning of subtraction as it pertains to the inverse of addition. In this what balances lesson, students identify the concept of subtraction as a balance. Students use subtraction facts to generate addition...
Curated OER
Addition Relay
Third graders, in pairs, use a bag of counters which can be dried beans, squares of papers, etc.
Curated OER
Mystery Fruits and Vegetables: Why They Are Important to Us
Students discover the importance of eating fruits and vegetables. In this health lesson, students participate in a guessing game, trying to identify fruits and vegetables without seeing them. Students discuss the importance of a well...