Curated OER
Classifying Objects
Fourth graders work in small groups to sort and classify a variety of objects. They develop criteria for sorting and explain the characteristics they chose for classification. Groups record and share their classifications.
Curated OER
Discovering Density
Students explore the physical properties of density. In this hands-on lesson, students calculate density and distinguish between intensive and extensive properties.
Curated OER
Budgeting for Peace
Young scholars explore world leader's quests for peace. In this world leader research lesson, students read a speech by Archbishop Desmond Tutu and view budget figures for the United States. Young scholars work in groups to create an...
Pennsylvania Department of Education
Kites: On the Right Track
Students use the Pythagorean theorem to discover the relationships between the lengths of sides of a right triangle. In this right triangles lesson plan, students use their reasoning and mathematical skills.
Curated OER
Inside Out
Fourth graders, using a straight edge, determine whether a point is inside or outside of a given figure. With worksheets, 4th graders practice analyzing geometric relationships such as parallel to, perpendicular to, etc.
Curated OER
Go Negative
Fourth graders advance to new levels in the lesson we're dealing with here. It is the fourth of a sequence of six dealing with the same theme. These develop from Level 2 to Level 5. In the process they involve number concepts at the...
Curated OER
Negative Magic Squares
Magic squares are interesting objects in both mathematics proper and in recreational mathematics. So they are objects that children should have heard about and experienced. The problems in this sequence give students the opportunity to...
Curated OER
Exponent Power
Students explore multiplication and division problems using exponents. Students examine positive, negative and zero powers. They relate powers to geometric sequences. Students devise strategies and discover rules of exponents.
Curated OER
Babylonian Mathematics 2
Students research Babylonian mathematics. They calculate simple surd numbers. Students find the fractional form of rational numbers expressed as decimals. They work with numbers in base 60.
Curated OER
Missing Number Bingo
Students practice counting forwards and backwards with decimal numbers. They participate in a class or small group bingo game from the advanced additive and advanced multiplicative stages six and seven. Each student can choose to either...
Curated OER
Proportions in Flight
Sixth graders calculate wingspan and the body length of the birds and understand how they relate to how the bird flies. In this wingspan lesson plan, 6th graders also calculate their own "wing span" with their arms.
Pennsylvania Department of Education
Two Types of Division Problems
Learners discover the two types of division problems. In this number division lesson, students identify repeated subtraction and sharing division problems. Learners create word problems utilizing the two different types of...
Curated OER
Least Squares Fit Line
Students estimate the least squares fit line for a set of data. They understand error involved in least square fit lines. They solve application problems using least square fit lines.
Curated OER
Amazing Mazes
First graders use the proper terminology to give directions to proceed through a maze. They work through a number of mazes while studying the appropriate language. They guide a partner through a maze by giving proper directions in this...
Curated OER
Money for starters
Students compare the values of coins and paper money. They read prices, read and write any 2-digit number. They model and explain addition calculations with a sum of up to 20.
Curated OER
Counting on Measurement
First graders explore measurement. They measure by counting non-standard units. Students use a variety of non-standard units to predict and measure volume of various containers using rice.
Curated OER
Great Grams
Students measure objects effectively using standard units, They examine how consistency in the units used allows for easier and more accurate communication of mass measures.
Curated OER
Pizzas And Things
First graders problem solve using the concepts of doubling and halving numbers as previews for finding multiples and working with fractions. They determine how to find half of a set of objects and work with sums up to 16. They work with...
Curated OER
The Three Cold Kittens
Students solve a math word problem involving repeated addition. They identify the important information in the problem, brainstorm ways to solve the problem, and solve the problem and discuss the solution as a class.
Curated OER
Trains
Students compare the lengths of the train through calculation. This calculation can be done by knowing the values of the rods. Students use problem solving to get the answer to the problem before them.
Curated OER
Counting Cubes
Students count backwards in 2s from 30 then try other skip patterns such as 1,3,5, etc. and invent their own counting patterns. They are introduced to the problem using a pile of cubes and count by 2s and have a remainder.
Curated OER
More Pizzas and Things
Students are introduced to the problem by playing a guessing game of "I am a number, which is half of 6 and 6, what am I?" They explain their answers and see if anyone else had an alternate solution checking for reasonableness.
Curated OER
The Treasure Map
Third graders problem solve using drawings and map interpretations. They preview graphs and Cartesian geometry. They follow directions on a map using a grid and compass references while simulating they are reading a pirate map.
Curated OER
Lake Crossing I
Students problem solve logic problems using a step by step process in which they act out a problem. They write down each step to of the logic problem to follow a chain of reasoning. They recognize logic arguments after completing the...