Curated OER
Multiplying Decimals
In this multiplying decimals worksheet, 5th graders solve 24 multiplication problems. In each problem students must multiply two decimals together.
Curated OER
Dividing With Decimals
In this decimal division worksheet, students solve 18 division problems. Each problem includes decimals as the dividend, divisor, or both.
Curated OER
Vitamin C and Protein Analysis
Students analyze various beverages to determine vitamin C content. Students research diseases resulting from vitamin C deficiencies and identify countries most affected.
Curated OER
How to Teach Students about Acid and Acid Rain
How acidic is your rainwater? Use these lesson plans to get students thinking about how acids affect the environment in which we live.
Virginia Department of Education
Mathematics Vocabulary Cards – Grade 4
An excellent way to reinforce math vocabulary in your classroom! Seventy-eight posters focus on number and number sense, computation and estimation, measurement, geometry, probability and statistics, and patterns, functions, and algebra.
Discovery Education
Sonar & Echolocation
A well-designed, comprehensive, and attractive slide show supports direct instruction on how sonar and echolocation work. Contained within the slides are links to interactive websites and instructions for using apps on a mobile device to...
Curated OER
Grow an Alum Crystal
What an exciting lab experiment to conduct with your high school chemistry class! Crystals are formed naturally in the environment. However, allow your blossoming chemists to create their own unique crystals using alum and...
Curated OER
Solving Rational Equations
In this algebra worksheet, learners solve rational equations including two application problems. This worksheet contains explanations to aid in understanding.
Curated OER
Investigation - Who is Right?
Third graders investigate two mathematic scenarios and determine which is correct. They compare adding columns and places (such as the tens place, hundreds place, and so on) and familiarize themselves with how to add larger numbers.
Curated OER
What Is Special About Polyethylene Food Storage Bags?
Students participate in an investigation in which they compare a polyethylene bag designed for recycling or disposal with a polyethylene food storage bag. Students use hexane to determine the differences between the low density...
Curated OER
Numbers and Operations- 24
Students construct number sentences. In this computation activity, students participate in a game using four numbers to make the number 24.
Curated OER
Subtraction: Two Digit by Two Digit - No Regrouping
In this subtraction worksheet, 2nd graders find the differences in 30 two digit by two digit problems in which they do not have to regroup.
Curated OER
Subtraction: Two Digit By One Digit With Regrouping
In this subtraction activity, 3rd graders find the differences to 30 problems in which they subtract a one digit number from a two digit number. They regroup as needed.
Curated OER
Subtraction: One Digit from Two Digits With No Regrouping
In this subtraction learning exercise, 3rd graders find the differences to 30 problems in which they subtract a one digit number from a two digit number. They regroup as needed.
Helping with Math
SubtractionL 3-digit - 2-digit
In this assignment, math minors solve 30 subtraction problems. Two-digit subtrahends are taken away from three-digit minuends. Often, regrouping will be necessary to arrive at the difference. Terrific practice with an answer key provided!
Curated OER
A McTrip Back In Time
Students pretend they are time-travellers and travel back to 1954 to a McDonald's Restaurant to see how prices have changed. They need to add and subtract money with regrouping.
Curated OER
Subtracting Integers
In this subtracting integers activity, students use 9 integer lines to help them solve 9 math problems that require them to subtract positive and negative numbers.
Helping with Math
Decimals: Dividing -3
In this decimal division worksheet, students divide the decimal equations for 18 problems. Students improve their division skills by completing the online division activity.
Curated OER
Adding Trigonometric Functions
Young scholars identify trigonometric functions. For this trigonometry lesson, students add and subtract trigonometric functions. They add sine and cosine waves and relate it to the real world.
Curated OER
How Many More?
Young scholars complete subtraction problems where they use goldfish crackers as their manipulatives in the problem. In this subtraction lesson plan, students use words and pictures to also show their problems.
Beacon Learning Center
Angles and Algebra
Students calculate angle measure for triangles and complementary/supplementary angles. After a lecture/demo, students utilize a worksheet imbedded in this plan to gain practice.
Curated OER
Balancing
Students use a balance to complete subtraction problems and weigh out the items they take away. In this subtraction lesson plan, students use a pan balance and record their equations.
Curated OER
Subtraction: Decimals
In this decimal subtraction worksheet, learners solve 15 problems that require them to subtract decimal numbers with 1-5 digits.
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.
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