Curated OER
Acidity of Soda Pop
Students conduct an experiment to determine the acidity of three different brands of soda by adding a known volume of base until a pink color appears in the reaction vessel. They test fresh and flat soda, observe any differences, and...
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In and Out Function
Third graders examine how to solve in and out function problems, or mystery numbers. They analyze a variety of mystery number problems together and extend the patterns. Students then independently complete a Mystery Number activity...
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Journey Cake (cooking)
Third graders make journey cakes. In this cooking lesson, 3rd graders read written directions for journey cakes and measure out the ingredients. They cook and discuss the relationship between the cakes and Native Americans.
Pennsylvania Department of Education
Adding Common Fractions
Fourth graders estimate various measurements. In this lesson on measurement, 4th graders estimate the length and mass of multiple objects. Students discuss the difference between a guess and a reasonable estimate and discuss using...
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Making and Using a Hydrometer
Students build a hydrometer to measure the densities of fresh and salt water samples. They record the water temperature and density and use the temperature, density, and salinity conversion graph to locate the salinity. Finally,...
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Arithmetic With Whole Numbers and Decimals
In this whole numbers and decimals worksheet, students solve 40 problems in which whole numbers and decimals are added, subtracted, multiplied and divided. This page can be done on paper but was intended to be an online activity.
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Subtraction with Borrowing
In this math learning exercise, learners go through the process of learning how to borrow in subtraction to the hundreds place. Students are instructed to break down the numbers and "draw squares, sticks and dots" before crossing out...
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Mental Arithmetic Sets 3 and 4
In this mental arithmetic worksheet, 3rd graders answer 20 short answer questions related to place value, addition, subtraction, and skip counting.
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Addition: 2-digit + 2-digit - Regrouping
In this addition learning exercise, 3rd graders focus on the addition of double digit numbers. Students solve for 30 problems using regrouping where necessary.
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Subtraction: Two Digit by Two Digit - No Regrouping
In this subtraction instructional activity, 2nd graders find the differences in 30 two digit by two digit problems in which they do not have to regroup.
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Addition: Number Bonds to 40
For this addition and subtraction worksheet, students use their problem solving skills to solve 41 problems as they fill in the missing numbers in each of the problems.
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Math for Fourth Grade: Statistical Charts
In this math for fourth grade statistical charts worksheet, 4th graders answer 7 multiple choice questions in standardized test format about data, charts and graphs.
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Fourth Grade Math Practice-Statistics
In this 4th grade statistics worksheet, students complete a total of 7 problems. An answer key is provided; problems are related to statistics.
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Combining Foods
Students explore addition. For this math lesson, students discover how addition and subtraction are related. Students model related addition and subtraction facts.
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DNA Profile Analysis
Pupils obtain a DNA sample, observe DNA Using Agarose Gel Electrophoresis, and obtain reagents and equipment.
Curated OER
Expanded Form and Place Value
Third graders are introduced to the concept of place value with place value tents. As a class, they are shown a number which they say outloud and write the number in expanded form. To end the lesson, they practice saying numbers in the...
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Learning to Use a Scale
In this scale worksheet, students measure items on a scale, and read examples. Students complete 4 questions on their own about scale measurement.
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Mental Math and Money Problems
In this money worksheet, students find the total cost of buying items by adding European money using mental math. Students complete 12 problems.
Curated OER
Using Probability
For this probability worksheet, learners complete probability word problems about rolling dice. Students complete 9 problems total.
Pennsylvania Department of Education
Practice Makes Perfect
Learners study fact families. In this math instructional activity, students use fact families to play a game of concentration. Learners identify subtraction facts they need to learn.
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Adding Two- and Three-Digit Numbers
In this adding two- and three-digit numbers worksheet, students, with a partner, problem solve and calculate the answers to eight mathematical word problems and equations.
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Basics of Estimation
In this estimation learning exercise, learners complete multiple choice questions about rounding and the proper sequence of estimation. Students complete 10 questions total.
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Place Value
Students use various manipulatives and play a game to practice place value and to help them visually see how many "ten" is.
Curated OER
What's Math Got To Do With It?
Students explore numbers, computation, ratios, proportions, probabilities, statistics, and money in this six lessons unit. Practical applications in the real world are emphasized through an interactive approach to math in these lessons.