Lesson Plan
Pennsylvania Department of Education

Adding and Subtracting Three-Digit Numbers by Jumping

For Teachers 2nd
Second graders use data to graph information and draw conclusions. In this instructional activity on data analysis, 2nd graders practice gathering, sorting, comparing, and graphing data. Students differentiate data that can and cannot...
Worksheet
Curated OER

Elimination Using Addition and Subtraction

For Students 10th - 12th
In this systems of equations worksheet, students use the elimination method to solve systems of equations. An example and explanation is given at the beginning of the worksheet. This one-page worksheet contains ten problems.
Lesson Plan
Curated OER

Estimating Sums

For Teachers 3rd - 4th
In this estimating sums worksheet, students, working with a partner, practice problem solving five word problems involving estimation.
Worksheet
Public Schools of North Carolina

Math Stars: A Problem-Solving Newsletter Grade 4

For Students 4th Standards
Fresh off the press, these math newsletters will challenge the problem solving skills of your young mathematicians. With an incredibly wide variety of questions covering the topics of arithmetic and geometry, these unique...
Worksheet
Curated OER

Binary Math

For Students 12th - Higher Ed
In this physics worksheet, students perform a series of mathematical operations involving binary numbers to answer 11 questions.
Worksheet
Curated OER

The Ditionary Trick

For Students 9th - 12th
In this secondary mathematics worksheet, learners investigate a riddle involving the use of the dictionary and subtraction of three digit numbers.  The one page worksheet contains one problems with an explanation of why the trick...
Lesson Plan
Curated OER

Code Cracking

For Teachers 5th - 8th
There is nothing more engaging than cracking a secret code! Middle schoolers will replace letters with numbers to solve problems. This game will help them to begin to understand algebra questions by finding the value of missing numbers....
Lesson Plan
Curated OER

Study Buddies- Estimating Products

For Teachers 3rd - 4th
In this math worksheet, students work with a partner to practice estimating products using rounding. They discuss the process of rounding and whether multiplying the rounded numbers is easier or more difficult than multiplying the...
Worksheet
Curated OER

Calculating with Significant Digits

For Students 9th - 12th
In this significant digits worksheet, students are given the rules to finding significant digits when adding, subtracting, multiplying and dividing. Students solve ten problems and express their answers with the proper number of...
Worksheet
Curated OER

Addition Trail Puzzles

For Students 3rd
In this addition puzzle worksheet, 3rd graders find the trail of numbers in each puzzle. They start with the number in the start position, and work their way by adding horizontally and vertically through the puzzle to reach the end sum.
Worksheet
Curated OER

Binary Math

For Students 11th - 12th
In this Algebra II/Pre-calculus worksheet, students represent decimal numbers in binary form and compute with binary numbers.  The four page worksheet contains eleven questions.   Answers are included.
Worksheet
Curated OER

Thirty Single Variable Algebraic Equation Word Problems

For Students 8th - 10th
In this algebraic equations worksheet, student solve thirty word problems from single variable algebraic equations.  Two of the thirty problems are solved as examples.
Lesson Plan
Curated OER

Centipede's 100 Shoes

For Teachers 2nd - 3rd
Young scholars solve equations with the help of their teacher. In this simple equations lesson, students listen to the story Centipede's 100 Shoes by Tony Ross and use the scenarios given in the book as addition and subtraction problems....
Lesson Plan
Curated OER

Place Value

For Teachers 2nd
Second graders use physical models to represent and demonstrate place value concepts by using base-ten blocks and hundreds charts. They compare numbers to see which number is smaller or larger and put numbers in order from smallest to...
Worksheet
Curated OER

Multiply Decimal Fractions by 10 or 100

For Students 4th - 5th
In this decimal fraction multiplication worksheet, students read an explanation of rules, then solve 24 problems. Answers are included on page 2.
Lesson Plan
Curated OER

Divisibility Book

For Teachers 10th - 11th
Students create a notebook with divisibility rules in it. In this algebra instructional activity, students write down the rules that determine the factors of a number. They continue to add to the book and use it to help them on their...
Worksheet
Curated OER

Not So Snappy 10

For Students 6th - 8th
In this order of operations (i.e., addition, subtraction, multiplication, division) worksheet, students solve 3 word problems demonstrating their understanding of the concept.
Lesson Plan
Curated OER

Arithmetic: Revision

For Teachers 4th - 7th
Students practice with a variety of simple equations involving addition, subtraction, multiplication and division. Explanation is followed by each block of equations given to solve. They are set loose to complete additional equations for...
Worksheet
Curated OER

Wedded Bliss

For Students 9th
In this Algebra I worksheet, 9th graders solve a cryptogram involving addition. The one page worksheet contains one question. Solutions are included.  
Lesson Plan
Curated OER

Number Sense Sampler

For Teachers 1st
First graders illustrate a math problem with counters while reading story books, such as Margie Burton's "Add the Animals". They demonstrate a positive learning attitude toward mathematics and communicate clearly in oral, artistic,...
Worksheet
Curated OER

Subtraction: Decimals

For Students 4th - 7th Standards
In this decimal subtraction worksheet, students solve 15 problems that require them to subtract decimal numbers with 1-5 digits.
Worksheet
Curated OER

Decimals Vocabulary Matching

For Students 5th - 6th
In this decimal vocabulary worksheet, students match a set of 27 words to their correct definitions. Answers are included on page 2; a reference web site is given for additional activities.
Worksheet
Curated OER

Problem-Solving Strategy: Find a Pattern: Problem Solving

For Students 5th - 6th
In this math patterns instructional activity, students use the understand, plan, solve, and look back problem solving strategy to help them find the patterns for the two problems.
Lesson Plan
Curated OER

Illustrated Dictionary

For Teachers 3rd - 4th
Students make an illustrated dictionary of words they've used and learned in class. In this vocabulary lesson, students find words from their notes, discuss the words in a group, select the best words as a class, and complete an...