Curated OER
Investigations into Estimations
Students gain the powerful tools of estimation, prediction, and averaging and discover the importance these tools have in daily living.
Curated OER
Accounting: Uncollectible Accounts Receivable
Pupils study uncollectible accounts expenses. They analyze adjustments for uncollectible accounts expense and enter the adjustments on a work sheet. They post entries to a general journal and to the accounts receivable and general...
Curated OER
Computing Costs
Seventh graders calculate the out-of-pocket money needed to purchase a discounted item taxed at a certain percentage of sales tax.
Curated OER
The Meaning of Whole Numbers
In this whole numbers worksheet, pupils fill in different charts asking about the place value of various whole numbers. Students complete 8 problems.
Curated OER
Cigarette Smoking
High schoolers analyze the monetary cost associated with smoking cigarettes. They calculate the life expectancy associated with how many cigarettes are smoked a day. They complete story problems as well.
Curated OER
Daily Life in the Fur Trade: Communications & Resourcefulness
Student complete a number of activities using computer based resources and primary sources to research the fur trade. They answer questions using the computer research.
Curated OER
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.
Curated OER
There Was An Old Lady...
Students participate in various activities using the story There Was An Old Lady Who Swallowed a Fly. In this reading fluency lesson, students read the story and then practice comprehension, fluency, and writing. An estimation activity...
Curated OER
How Much Is On The Floor?
Students estimate the number of items in a group. In this estimation lesson, students are presented with random objects to clean up. Students estimate how many items are present and then compare the actual number of items to their...
Curated OER
CO2 Blow Out!
Fifth graders determine that carbon dioxide is a gas given off during respiration and that oxygent is the gas that is absorbed during respiration. They determine the air capacity of the lungs.
Curated OER
High School Mathematics Problems from Alaska: Cigarette Smoking
Students analyze the monetary cost associated with smoking. Students use statistics to determine life expectancy and cost associated with smoking.
International Technology Education Association
Sizing Up the Clouds
How much rain can that cloud make? Through a simulation, the class estimates the amount of candy rain contained in different cup clouds. After probing the clouds using different methods, class members adjust their estimates. Participants...
Lawrence Hall of Science
The Math Page: Skill in Arithmetic: Table of Contents
This website from The Math Page explains some helpful hints about how to do mental math.
Illustrative Mathematics
Illustrative Mathematics: 3.nbt, 4.nbt Rounding to the Nearest 100 and 1000
This task builds off of the skill of rounding to the nearest ten and hundred in third grade. Aligns with CCSS.Math.Content.3.NBT.A.1 Use place value understanding to round whole numbers to the nearest 10 or 100.
Lawrence Hall of Science
The Math Page: Skill in Arithmetic: The Meaning of Multiplication: Mental Calculation
If you are looking for a website that explains and defines the basics of mental multiplication with helpful hints then you have arrived at an excellent resource. There are even practice problems at the very end of the lesson.
Other
Tlsbooks.com: Printable Math Worksheets
You may print off addition, subtraction, multiplication, division, averages, fraction, and other miscellaneous worksheets that are related to mathematics. On the left hand side of this page you will also find links to other subjects,...
Lawrence Hall of Science
The Math Page: Skill in Arithmetic: The Meaning of Subtraction, and Mental Calculation
This website explains and defines basic subtraction. There are practice problems at the very end of this lesson.