Curated OER
Number Line Math
Second graders use a number line to practice subtraction. For this subtraction lesson, 2nd graders use a number line to count backwards. Students participate in mad math activities and solve problems.
Curated OER
Making Rectangles
Students study rectangles. In this math activity, students use numbers, measurements and geometry to draw rectangles of varying sizes.
Curated OER
Buying My First Car
Students pretend they are about to buy their first new car. They must do all the calculations necessary to estimate the cost of purchasing the car. They see that the math they learn in school really does have real-life applications.
Curated OER
Words, Words, Words
Second graders choose estimation strategies in real-world problem situations and explain the choice. They work in groups of five using three different estimation methods to find out how many words are on a page of text.
Curated OER
Fraction Card Shark
Second graders explain the relative size of fractions using symbolic and concrete representations. Groups of four students play a game which uses cards and unifix cubes. The game helps them get a visual understanding for the 'size' of...
Curated OER
Mammoth Sunflower Problem
Students discuss the directions on a package of seeds. They open the package, count the seeds, and determine the planting requirements for the seeds.
Curated OER
Cherries Are Positive, Lemons Are Negative- Part 2
Third graders, in groups, subtract integers by following Cherries are Positive, Lemons are Negative. They discover the rules for subtracting integers by using cherry heads and lemon heads.
Curated OER
Million Dollar Gift
Third graders create a box big enough to hold a million dollars. This is a project fun to do near the winter holidays with inexpensive gifts included in the boxes. This hands-on lesson very effectively demonstrates the concept of volume.
Curated OER
Parting Ways
Students become part of the solution as they practice figuring percents. The number of men versus women present in the room and their heights can be used to form the basis of this investigation.
Curated OER
Math: How Many Ways Can You Find the Middle?
Twelfth graders find the mean, median, and modes of stacks of Lego blocks, They search in newspapers for real life applications of them. They present oral reports on what they have learned.
Curated OER
Basic Roof Framing
Students complete a unit of lessons on basic roof framing. They discuss the various styles of roofs, identify the styles in the neighborhood, cut out rafters using circular saws, and assemble roof rafters.
Curated OER
Time For Breakfast
This unit encourages students to assess the validity of a set of statements and then plan and carry out investigations to find out whether the statements are true. Students then carry out statistical investigations of their own.
Curated OER
Make a Zoo
In this unit students work in groups to find out about an endangered animal species. They design a zoo enclosure for the animal and build a scale model. Together the class constructs a zoo! In the process of planning and building the zoo...
Curated OER
My Dogs
Students use the properties of multiplication to solve problems. They recall the basic multiplication facts as well as write and solve problems that involve whole numbers.
Curated OER
Fact Families
Fifth graders explore fact families. They solve simple math problems. Students determine which mathematical property is used to solve the given problem. They are given five minutes to complete as many mathematical facts as possible.
Curated OER
Comparing Candy Bars
Eighth graders identify that a ratio is a comparison of two numbers and that a proportion is an equation that equates two ratios. They identify the extremes and means of proportions, as well as the product of the extremes equals the...
Curated OER
Football Statistics
In this math activity, students examine the statistical information as provided in the graphic organizer and calculate the other values.
Curated OER
Math Vocabulary Fill-In Puzzle
In this math vocabulary puzzle, students use a set of definition clues given to solve a crossword puzzle. A reference web site is given for additional activities.
Curated OER
Okla Homer Baggage
In this algebra worksheet, students calculate how many baggage a person can take on a flight without being charged for that bag. This is a word problem with other factors. There is an answer key.
Study Pad
Splash Learn: Divide Decimals by Whole Number
[Free Registration/Login Required] Extend multi-digit division of whole numbers to division of a decimal number by a whole. This worksheet game starts off with division problems based on visual models, followed by problems on relative...
Khan Academy
Khan Academy: Divide Decimals 3
Dividing decimals by whole numbers like 8.8/4. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Estimating With Dividing Decimals
Student practice estimating with dividing decimals.
Lawrence Hall of Science
The Math Page: Skill in Arithmetic: Dividing Decimals
This website from The Math Page explains and defines how to divide decimals. There is even a practice section at the very end of the lesson.