Curated OER
Third Grade Math Review
This third grade math review PowerPoint addresses the math concepts that were taught during the school year. This interactive PowerPoint is a "Jeopardy" style review game and addresses concepts such as addition, subtraction,...
Curated OER
Mathematics: Prime and Composite Numbers
Sixth graders explore how to apply the commutative property and the rules of divisibility. They examine the difference between prime and composite numbers.
Curated OER
Addition Strategies: Compensation
In this math worksheet, students learn the addition strategy of compensation: adding an easy number like 10, 20 or 30 and then subtracting a very small number like 1 or 2. Students solve 12 problems on the page.
Curated OER
Multiple Ways to Add and Subtract
Third graders recall multiplication facts to tens. They recall factors of numbers generated by multiplication facts to ten. Students become familiar with the use of brackets in notation. They multiply two digit numbers by a single...
Curated OER
Less Than-More Than
In this less than/more than worksheet, learners fill in columns on an organizer with numbers "one less than' and "one more than" given integers. An answer key is included.
Curated OER
Types of Clouds
In this science activity, students read about four different types of clouds. Students also read a table that illustrates the heights each type of cloud can reach in the atmosphere.
Virginia Department of Education
Mathematics Vocabulary Cards - Grade 1
Clarify basic math concepts with a series of vocabulary posters designed for first graders. The cards include illustrations for fractions, place value, tally marks, and number lines, as well as many more vocabulary words.
Curated OER
Follow That Sign! A Review in Using Appropriate Mathematical Symbols
Kids gain a deeper understanding of mathematical symbols, by playing an interactive game using flash cards. They complete an attached Missing Symbols Worksheet, flash card and an assessment are also included.
Curated OER
Missing Addends
Where are all the addends? Addition novices solve 36 equations by filling in the single-digit addend to achieve the given sum. They reference several examples, each of which include object sets to help learners visualize the concept....
Illustrative Mathematics
Many Ways to Do Addition
A great aspect of teaching math is that children have the freedom to solve problems using a variety of different strategies. The focus of this lesson is for young mathematicians to become aware of many ways of answering addition...
Curated OER
Two Digit Addition With No Regrouping Worksheet #7
There is no need to regroup to complete this set of 20 addition problems. Learners will add two-digit numbers togther each sum.
Curated OER
Numbers in Spanish
Spanish learners can start with uno, dos, y tres and move all the way up into the millions and trillions on their way to learning all the numbers. The webpage includes information on cardinal numbers, ordinal numbers, fractions, and...
Curated OER
Math, Calories and You
Discover the connection between calories and weight. Pupils multiply their body weight times calorie estimates for various physical activities to calculate calories burned per minute and per hour. Worksheets a well as website links are...
Virginia Department of Education
Mathematics Vocabulary Cards - Grade 3
Need to go over some math concepts with your third graders? Use a series of math posters, featuring vocabulary words in geometry, measurement, fractions, probability, and many other areas of study. Each poster presents the term with an...
EngageNY
Why Were Logarithms Developed?
Show your class how people calculated complex math problems in the old days. Scholars take a trip back to the days without calculators in the 15th installment of a 35-part module. They use logarithms to determine products of numbers and...
Curated OER
Paint Plus
Using the computer and the Paint program, Students explore the different tools available in the paint program, and then create a picture showing two sets of pictures and an equation.
Curated OER
Math Practice-Grade 3
In this grade 3 math worksheet, 3rd graders complete a total of 20 multiple choice questions covering a wide range of 3rd grade math concepts. An answer key is included.
Curated OER
Clock Arithmetic and Cryptography
High schoolers 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...
Curated OER
Conditional Probability and Probability of Simultaneous Events
Students explore the concept of conditional probability and probability of simultaneous events. For this conditional probability and probability of simultaneous events lesson, students roll dice or use and applet to roll dice to...
Curated OER
Managing Heat
Third graders perform various experiments to show the flow of energy that causes heat. In this heat lesson, 3rd graders understand how heat is transferred or trapped. Students use the scientific method and critical thinking skills to...
Curated OER
Classify and Measure Angles #1
In this angles learning exercise, students classify and measure 2 simple angles. Worksheet is part of a site with additional activities and links.
Curated OER
There's More Than One Way to Get to St. George!
Fourth graders explore alternative ways to do the four operations.
Curated OER
Roman Numerals
Students explore the concept of Roman numerals. They investigate the seven basic numerals and the symbols that are used in the Roman numeral system and their values. Students practice converting Roman numerals.