EngageNY
Margin of Error When Estimating a Population Mean (part 1)
We know that sample data varies — it's time to quantify that variability! After calculating a sample mean, pupils calculate the margin of error. They repeat the process with a greater number of sample means and compare the results.
Curated OER
Prime Time
Seventh graders practice determining the prime factorization of composite numbers. They create Christmas factor trees for prime numbers greater than 100. They decorate their final products with markers, crayons, colored pencils, glitter...
Curated OER
Number Chart and Number Line
First graders research strategies for identifying numbers through 100. In this number recognition lesson, 1st graders make games, create puzzles,and fill in missing numbers to practice number identification.
Curated OER
Finding Patterns with the Hundreds Chart
Students review their numbers up to one hundred. Using a chart, they compare and predict patterns that might be in the numbers. They practice skip counting and grouping numbers. Using a spreadsheet, they graph different sets of numbers...
Curated OER
Cold War Conflict in Vietnam: The Vietnam-Era Presidency
Comparing and evaluating various media types is a great way to build critical analysis skills. Learners read about the Vietnam era presidency, specifically the foreign policy established by Johnson and Nixon. Then they compare several...
Curated OER
Taking Attendance
Young mathematicians record and analyze data. They will take attendance for their class and compare to other days. Then discuss ways to count who is present. They may also show the amount of learners present using fractions.
Curated OER
Multiplication: Bugs Can Multiply, So Can I!
Develop multiplication skills with your class. Youngsters will visualize multiplication as repeated addition. Then they will create a multiplication bug book and discover arrays as a strategy for multiplication problem solving....
Curated OER
How Fast is Usain Bolt?
Revisit the 2012 Summer Olympics by having seventh graders calculate the unit rate sprinting speed of the 100-meter gold medal winner. 
Curated OER
Comparatives and Prices
Students review the vocabulary and write the comparative form of the word. They use vocabulary from flyers from stores in the area. They take an exam over the material.
Curated OER
Place Value
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...
Curated OER
Dividing By Two-digit Divisors
In this dividing by two-digit divisors worksheet, students working with a partner problem solve and calculate the answers to ten word problems and mathematical division equations.
Curated OER
The Number Line
Learners graph and order numbers using a number line. They also solve word problems using fractions and decimals and rewrite equations to solve problems correctly. Several example word problems are given. 
Curated OER
How Much, How Fast, How Far?
Young scholars investigate the concept of the number one million. In this number concepts lesson, students read the book How Much is a Million? and brainstorm questions, such as "how many leaves are on a tree" and "how many hairs are on...
Curated OER
How a Liquid Changes to a Gas
Second graders identify three forms of matter- solids, liquids, and gases with 100% accuracy. They observe water evaporating from an open container and water evaporating and condensing in a closed container. The students assess that a...
Curated OER
President Obama's Address to Students Across America
Students write about goals, responsibility, and persistence, and listen to President Obama's speech. In this President Obama lesson students create concept webs, listen with a purpose, and list the challenges of our generation.
Curated OER
Book Title: Ten Flashing Fireflies
This instructional activity engages learners in a variety of activities to build 1 to 1 correspondence, estimation, and problem solving skills. They discuss problem solving strategies, hear the story Ten Flashing Fireflies, compose...
Pennsylvania Department of Education
Round Numbers to Nearest Ten or Hundred
Third graders review telling time. For this lesson 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 know about...
Curated OER
Understanding number to 100
Students research equivalent representations of numbers using the base 10 system. In this Base 10 lesson, students examine place value, representations of numbers, and multiples of one, ten, and one-hundred.
EngageNY
Why Worry About Sampling Variability?
Are the means the same or not? Groups create samples from a bag of numbers and calculate the sample means. Using the sample means as an estimate for the population mean, scholars try to determine whether the difference is real or not.
Curated OER
Grouping Buttons
Looking for a good lesson on counting and sorting? This lesson is worth a look! In this classification lesson, learners sort buttons by color, shape, shiny verses not shiny, or number of holes.
EngageNY
Summarizing Bivariate Categorical Data with Relative Frequencies
It is hard to determine whether there is a relationship with the categorical data, because the numbers are so different. Working with a familiar two-way table on super powers, the class determines relative frequencies for each...
Curated OER
Book Title: Great Estimations
Explore estimation with your math class. They will estimate how many Cheerios are in a box.  Then count and group 50 Cheerios on a twist tie and attach groups to represent hundreds. They then discuss and practice skip counting and revise...
Curated OER
Pocket Change
Students practice identifying coins and their values. In this money identification lesson plan, students play a game, where they toll a coin, determine the value, and compare totals to win.
Curated OER
Number Scrolls
Students write the number line. In this numbers lesson, students write numbers in numeric order on a number scroll. They find patterns within this number line. 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
