Worksheet
Curated OER

Subtracting Two-Digit Numbers

For Students 2nd
For this subtraction worksheet, 2nd graders practice subtracting two-digit numbers by crossing out and regrouping. Students complete 4 subtraction math problems.
Worksheet
Curated OER

Adding Two- and Three-Digit Numbers

For Students 4th
In this addition activity, 4th graders add together 13 two and three-digit numbers with two and three numbers in each addition math problem.
Worksheet
Curated OER

Subtract Across Zeros

For Students 4th - 5th
In this subtraction worksheet, students read 6 story problems in which larger numbers are subtracted with borrowing across zeros.
Lesson Plan
Curated OER

Number Sense

For Teachers 1st
First graders practice rounding 4 digit numbers using place value concepts. In this estimating sums and differences lesson, 1st graders explore clustering, rounding, and front end estimation as methods for rounding decimals.
Worksheet
Curated OER

Subtracting Decimals

For Students 4th - 5th
In this subtracting decimals worksheet, students solve 10 problems in which decimal numbers to the hundredths place are subtracted, sometimes with regrouping. The problems are already properly written with decimal points aligned.
Worksheet
Curated OER

Subtracting Across Zeros

For Students 4th - 5th
In this subtracting across zeros worksheet, students analyze the information and examples for how to regroup multiple times if there are zeros in a series. Students then solve 9 problems.
Lesson Plan
Curated OER

Laws of Exponents

For Teachers 9th
Ninth graders identify the different laws of exponents. In this algebra instructional activity, 9th graders write the rules of exponents and use them to solve problems. They use the product, quotient laws to solve problems.
Lesson Plan
Curated OER

Problem Solving With Fractions

For Teachers 6th
Sixth graders solve and analyze fractions. In this algebra lesson, 6th graders solve fractions using addition, subtraction, multiplication and division. They work in groups and do peer-review.
Lesson Plan
Curated OER

Addition and Subtraction

For Teachers 2nd - 3rd
Students develop their own strategies to solve basic addition and subtraction facts. In this addition and subtraction lesson plan, students use strategies they already know and new ones to solve problems.
Lesson Plan
Curated OER

Universal Proportions: Earth and Moon

For Teachers 4th - 6th
Students create scale models of Earth, the Moon, and the distances within the universe. Working in groups, they construct their models of Earth and the Moon on a scale of 50:1 and calculate how far apart to place their models. They...
Worksheet
Curated OER

Penny Counting

For Students 2nd - 3rd
In this penny counting activity, students solve 4 story problems in which three digit numbers are added or subtracted. All problems pertain to pennies; there will be regrouping.
Worksheet
Curated OER

Adding Greater Numbers

For Students 4th - 5th
In this adding greater numbers activity, students solve 13 problems in which four numbers are added in a column. Most numbers are four or five digits; students will need to regroup more than once.
Lesson Plan
Curated OER

From Hypothesis to Conclusion...Reading Maps to Understand Proofs

For Teachers 10th
Tenth graders explore the concept of proof. In this proof instructional activity, 10th graders work in groups to collectively write proofs for directions to places on a map. Students give directions to specific places in big cities such...
Lesson Plan
Curated OER

Multiplication Word Problems Using Different Representations

For Teachers 3rd - 6th
Students solve multiplication word problems by using base 10 blocks and drawing pictures. In this multiplication lesson plan, students also write a reflection of their work.
Lesson Plan
Curated OER

Unit 2 Sun & Stars

For Teachers 6th - 7th
Young scholars describe stellar objects using terms such as stars, planets, satellites, orbits and light. For this sun and stars unit, students research stellar objects through seven individual lessons discovering star characteristics,...
Lesson Plan
Curated OER

Pac Man Subtraction

For Teachers 3rd - 4th
Third and fourth graders engage in a game using visual symbols, auditory responses and tactile stimuli to further their understanding of subtraction. A worksheet imbedded in this plan explains how to teach the game.
Lesson Plan
Curated OER

Add or Subtract Whole Numbers Up to 1000

For Teachers 3rd - 4th
Elementary schoolers solve practice problems on the board and are shown how to line up the numbers for addition. They solve various addition problems in small groups. Everyone continues the same process for solving subtraction problems.
Lesson Plan
Curated OER

Developing Strategies for Addition and Subtraction

For Teachers 2nd - 4th
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...
Lesson Plan
Curated OER

Place Value to 1,000

For Teachers 2nd
Second graders study the concept of place value with hundreds, tens, and ones. In the place value lesson, 2nd graders demonstrate their prior knowledge of place value with tens and ones. Students are then introduced to place value with...
Lesson Plan
Alabama Learning Exchange

Mix it Up! Exploring the Commutative and Associative Properties of Addition

For Teachers 1st - 3rd Standards
Examine commutative and associative properties with your class. They'll explore the relationships between addition and subtraction and investigate patterns as they solve addition problems. Links to an assessment and a table game are...
Lesson Plan
Curated OER

Multiplying with Egg O

For Teachers 3rd
Third graders multiply whole numbers by one and two digit numbers using base ten blocks and Egg O multiplication game. students pass out egg cartons, counters, and a record sheet to each group.
Lesson Plan
Curated OER

Term Deposits: Worth the Wait?

For Teachers 5th - 9th
Students study term deposits and the attributes of long and short-term savings. They examine their spending habits while looking at how different types of accounts meet different economic goals. They complete worksheets that are provided...
Unit Plan
Curated OER

Olympic Games - Can You Measure Up?

For Teachers 5th - 6th
Students complete 6 units to learn about Ancient Greece and the Olympic games through physical education activities as well as math activities. In this Ancient Greece lesson, students complete multiple activities in 6 lessons including...
Lesson Plan
Curated OER

Friction- What a Drag

For Teachers 9th - 10th
Students explore friction. For this friction lesson, students investigate that weight and surface type affect friction.