Curated OER
The Hundreds Board
Students explore the concept of multiples and use a hundreds board to add numbers and then graph them. Afterward, they use the sieve of Eratosthenes to identify prime numbers and discover how numbers change when you add or subtract by ten.
Washoe County School District
Eyewitness to the Holocaust
Scholars investigate the Holocaust through the eyes of an Auschwitz survivor. They analyze and research a firsthand account of events inside the gas chambers moments before hundreds died. Using Holocaust Reading Passages and...
Curated OER
Comparing/Ordering Numbers
Third graders compare numbers. In this math instructional activity students compare ones, tens, and hundreds. They also order numbers from least to greatest and from greatest to least.
Curated OER
Subtracting With the Hundreds Place And Regrouping
Learners solve math problems involving subtracting with regrouping. They practice the steps for subtracting in the hundreds place with regrouping, through teacher guided practice. Independently, pupils complete story problems involving...
Curated OER
Introducing the Concept: Exponents and Powers of Ten
Fifth and sixth graders gain information about the powers of ten and exponents. They participate in a teacher demonstration of how using the powers of ten helps learn the place value chart. Pupils create their own place value chart.
Curated OER
Primary Understanding and Use of Place Value
Explore place value and regrouping with your class. They develop awareness of several ancient number systems and how they differ from the base ten system commonly used today. They play "Chip Trading" with partners to practice addition...
Constitutional Rights Foundation
Ellis Island—The “Golden Door” to America
Are you one of the 100 million Americans whose ancestors passed through the doors of Ellis Island? Learn about the historic entry point for immigrants in the late 19th and early 20th centuries with an informative reading passage. After...
Curated OER
Using Groups of Ten to Solve Problems
Upper graders solve math problems involving multiplication using specific strategies. They will use base-ten blocks, hundreds charts, and number lines to solve multiplication problems. Then they will practice several of the strategies...
Curated OER
Skip-counting Practice
Learners practice skip counting. In this skip counting lesson, students practice skip counting using hundreds boards and patterns. Learners complete several examples and problems to ensure their understanding.
Curated OER
Value that Number
Learners complete a variety of activities to gain an understanding of the place values for ones, tens, and hundreds. They should place sets of numbers in order from least to greatest and from greatest to least.
SeaWorld
Sharks
Youngsters explore their sense of smell by working in pairs. One child is blindfolded, while the other holds things for him to smell. They switch after a while. All of this leads up to learning about the amazing ability sharks have to...
Curated OER
Faking It
Middle school earth scientists describe the behavior of the Coriolis force. They compare and contrast conditions under which the Coriolis force has a significant impact with conditions under which it has very little. They model the...
National Math + Science Initative
Introduction to Decimals
Three activities make up an introductory lesson designed to create a strong foundation in comparing fractions to decimals and exploring and building decimal models. Pupils brainstorm and complete a Venn diagram to show how decimals and...
Curated OER
Expanded Form-Hundreds
Students write numbers in expanded form. In this expanded form instructional activity, students are shown a demonstration on the board about writing numbers in expanded form to the hundreds place. A 20-problem worksheet and answer key...
Curated OER
Exploring California's Regions
Students participate in small groups to create a California's Region map. They research and identify the climate, geographic features, and one or two special features of their assigned region.
Curated OER
Roll a Decimal
Third graders take turns rolling the die, and selects an appropriate place to put the digit that was rolled in order to create a number with the largest value possible. They compete by trying to roll the highest valued number with the die.
Curated OER
Math Lesson Plan: Put the Order in Ordinal Numbers
Students practice putting ordinal numbers in order. In this ordinal number lesson, students write ordinal numbers on index cards and use the cards to practice ordinal number order.
Curated OER
Reinforcement Lesson in Place Value
Here is a wonderful place value game for your pupils that is played with dice. Very clear instructions on how the game is played are included in the plan. According to the author, they will "groan in disapproval" when it's time to stop...
Curated OER
Math, Sweet Math
Third graders use candy to explore whole numbers one to hundred thousand. They place candy on a place value chart and explore how sweet math can be.
California Academy of Science
Coincidental Colonization
The Galápagos Islands are an amazing place of isolated adaptation, colonized by an interesting mix of plants and animals. The class plays a game to help them understand how these organisms came to live on the island through a combination...
Curated OER
The Path of Pollution
Students name and locate countries where radiation from the Chernobyl accident traveled, describe how air pollution travels from one area to another and list the travel of radiation in chronological order.
National Wildlife Federation
By Air, Land, or Sea: The Formation and Location of Our Natural Resources
Coal forms from the ancient remains of plants that were alive on Earth before the dinosaurs! Scholars use their t-charts from the previous lesson over resources and research to determine if their information is correct. Through analysis...
Curated OER
Long Division
Fourth graders acquire number sense and perform operations with whole numbers, simple fractions, and decimals.
Curated OER
"ty" number
Second graders encounter the need to assess the code in English for tens is that the word ends in "-ty." They explore the meaning of two or three digit whole numbers to realize that the meaning of words like sixty can be decoded by...