Pennsylvania Department of Education
Round Numbers to Nearest Ten or Hundred
Third graders review telling time. In this instructional activity on telling time, 3rd graders discuss various items that show length of time, including clocks, calendars and sand timers. Students review and practice what they already...
Curated OER
Percents to Fractions and Decimals
Seventh graders practice converting percentages to decimals. Through guided practice, they work to solve problems involving converting fractions to decimals. Working in pairs, 7th graders compete to be the first to solve the problem...
Curated OER
Budget Finances
Students role play the role of a recent graduate of high school living on their own. Using play money, they are given one month's salary and they discover they own their own house or apartment and owe money on a car loan. They develop...
Curated OER
Get In Line!
Learners compare and order fractions and decimals using a number line. They use rules of conversion to determine equivalencies competing problems accurately and plot points on the number line that represent the correct order of the...
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 on data analysis, 2nd graders practice gathering, sorting, comparing, and graphing data. Students differentiate data that can and cannot change over time.
Curated OER
Oral Language in Mathematics
Third graders examine fractions by descriptively writing about them. For this number sense lesson, 3rd graders read number sentences and compare fractions based on their size. Students explain fractions to a friend by writing a friendly...
Curated OER
Fractions, Decimals to Percents
Seventh graders convert fractions and decimals to percents. Using measuring cups, 7th graders model fraction/percent equivalents. They discuss how to change a decimal to a percent. Using the white boards, students review the different...
Curated OER
Clock Arithmetic and Cryptography
Students investigate modular clock arithmetic and cryptography. They perform basic operations in modular (clock) arithmetic and encode and decode messages using simple shift and affine ciphers.
Curated OER
Clock Arithmetic and Cryptography
Students explore the concept of modular arithmetic and cryptography. In this modular arithmetic and cryptography lesson, students use applets to explore modular arithmetic using a clock and Caesar Ciphers. Students exchange their ciphers...
Pennsylvania Department of Education
Using Multiplication to Solve Word Problems
Fourth graders solve word problems using multiplication. In this multiplication lesson, 4th graders write and solve word problems using their prior knowledge of multiplication.
Curated OER
Integers
In this integers worksheet, students solve and complete 9 different types of problems. First, they work out the multiplication and division of integers shown. Then, students circle the statements that are true at the bottom of the sheet.
Curated OER
Decimals
In this decimals worksheet, students solve and complete 10 various types of problems. First, they multiply or divide each pair of decimals given. Then, students circle an approximation to each given decimal problem listed at the bottom.
Curated OER
Linear Systems
Students solve and graph linear equations. For this algebra lesson, students solve systems of equations using elimination and substitution. They graph their answer and identify the point of intersection.
Curated OER
Grab Bags
Eighth graders graph two inequalities with a single variable. They include drawing the intersection or union of inequalities on a number line. Students solve the linear equations using properties of equality and inequality. The lesson...
Curated OER
Probability or Ability?
Pupils toss candy and coins using their non-dominant hand while their partners records the results on a probability charts.
Curated OER
Know Numbers Now
Fourth graders, in teams, get a set of magnetic cards. They come up to the front of the class and create a new number on the chart.
Curated OER
Even and Odd Numbers
First graders recognize characteristics of odd and even numbers. They listen to the story "Bears Odd, Bears Even" and create a pictures showing comprehension of odd and even numbers.
Curated OER
Where Should You Turn?
Fourth graders complete activities to study decimal numbers. In this decimal numbers lesson, 4th graders study decimal numbers to express numbers less than one and intervals. Students complete map and location activities to study the...
Curated OER
Cube Combinations
Second graders, given 5 number cubes, roll the cubes and record the data.
Curated OER
Perform Accounting Functions
Students practice performing various accounting functions. Given analysis records, they prepare cost and revenue analysis based on specific criteria. They complete handouts and review their answers as a class. They also discuss the...
Curated OER
Brainstorming and Number Patterns
Ninth graders discover what it means to "brainstorm." They explore a given simple number pattern and then, working in groups, brainstorm more complicated number patterns. They display them around the room and then solve the number...
Curated OER
Deer Tracks
Students use satellite images to track to movement patterns of deer and examine deer behavior. They write stories about a day in the life of a field scientist.
Curated OER
You're the Cashier!
Third graders use manipulatives and computers to count back change from amounts up to $5.00.
Curated OER
Lu-Lu
First graders play a Hawaiian counting game. They use a worksheet to play a game of Lu-Lu at school and then take home a sheet to play with their families.