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Activity
Exploratorium

Radioactive Decay Model

For Teachers 9th - 12th
Toss 100 pennies (or poker chips or any other two-different-sided objects) and remove all of those displaying tails. Line them up and repeat. The lines of pennies collected get smaller each time, successfully representing half-life.
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Lesson Plan
Curated OER

Measuring to the Nearest Half-Inch

For Teachers 4th
In this measuring to the nearest half-inch worksheet, 4th graders solve 4 problems about measuring pictures on the page and common objects, then write the data in a chart.
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Worksheet
Curated OER

Measure Objects To the Nearest Half Inch

For Students 3rd
For this standard measurement worksheet, 3rd graders measure pictures of 5 objects to the nearest half inch. They measure pictures of items such as scissors, a pencil, and a crayon.
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Interactive
CK-12 Foundation

Fraction Rounding to the Nearest Half: Beaker Math

For Students 6th Standards
Rounding fractions is the focus of a six-question interactive designed to boost concept proficiency. A measured beaker's water level increases and decreases as mathematicians move the tool to represent specific fractions. Questions...
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Interactive
CK-12 Foundation

Half Angle Formulas: Half-Angle Formulas

For Students 10th - 12th
Slide the resource into your lesson plans. Young mathematicians use a slider to move a movie screen to the right position for optimal viewing. Along the way, they learn to apply the half angle formulas.
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Interactive
CK-12 Foundation

Finding Exact Trigonometric Values Using Double Angle Identities: Trig Values Using Double and Half Angle Formulas

For Students 10th - 12th
The more you know, the more you can learn. Scholars apply the double angle and half angle formulas to determine trig values based on known values. They use an interactive that provides sine and cosine values to aid calculations.
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Worksheet
Curated OER

Measure to the Nearest Half Inch

For Students 3rd
In this measurement worksheet, 3rd graders measure to the nearest half inch. Students measure 4 objects, draw 3 lines, complete 1 greater than and less than problem, and 1 short answer question all pertaining to measurement.
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Lesson Plan
Curated OER

Fractions - Equal or Not

For Teachers 4th
A fabulous lesson on fractions awaits your young mathematicians. In it, learners are invited to explore the world of fractions by accessing websites that have educational activities and worksheets embedded in them. Some excellent,...
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Worksheet
Curated OER

Half-Inch

For Students 2nd - 3rd
In this measurement worksheet, learners measure 10 lines to the nearest half-inch. Teacher must provide rulers.
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Lesson Plan
Curated OER

Tiling Tessellations

For Teachers 2nd - 4th
Students explore tessellations. In this shapes and geometry lesson, students describe the attributes of many of the shapes displayed on an Elmo. Students create examples of tessellations using pattern blocks.
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Worksheet
Curated OER

Tearing a Piece of Paper in Half

For Students 9th - 11th
In this secondary mathematics activity, students investigate exponential growth as they predict the height of a stack of paper formed by tearing one sheet of paper in half over and over again for thirty tears.  The one page activity...
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Worksheet
Curated OER

Customary Units Of Length 1

For Students 4th - 8th
In this customary units of length worksheet, learners draw five lines with different lengths, measure five lines to the nearest half inch and estimate the length of five widths.
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Worksheet
Curated OER

Measuring Lengths Using Rulers

For Teachers 3rd - 5th
There are seven rulers here and scholars determine the measurement of each, some in inches and some in centimeters. The answer options are listed. Although there are some fractions involved, they are only at the half-inch or centimeter....
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Worksheet
Curated OER

Measuring Lengths Using Rulers

For Students 3rd - 5th
A visual measuring exercise that lends itself nicely to an all-class warm up, especially as it doesn't provide room for scholars to write in answers on the sheet itself. They examine 10 rulers and determine the length in either inches,...
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Worksheet
T. Smith Publishing

Common Measures

For Students 4th - 12th Standards
Try introducing this assigment on converting measurement by presenting a scenario: "Last night I found a recipe for cookies, and it called for a half pint of butter. All I had was measuring cups - what should I do?" As learners discuss...
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Worksheet
Super Teacher Worksheets

Measuring With a Ruler

For Students 1st - 4th Standards
When it comes to using a ruler, how does your class measure up? Find out with this simple measurement instructional activity that asks children to determine the lengths of common, everyday items to the nearest half inch.
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Lesson Plan
Curated OER

Tick Around the Clock

For Teachers 2nd - 3rd
Young scholars examine and discuss the differences between clocks they are shown. Using the internet, they research how people used to tell time before clocks. They review what the long and short hand on the clock represent and practice...
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Handout
National External Diploma Program Council

Measuring in Inches

For Students 3rd - 4th Standards
Measure lines in inches using the most common tool of measurement: a ruler. Young mathematicians use a ruler to measure various lines. They also learn to round the the nearest quarter when measurements are not precise.
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Activity
Exploratorium

Give and Take

For Teachers 4th - 6th
Heat-sensitive liquid crystal sheets are available in a variety of sizes and temperature ranges. Purchase a class set of hand-held sheets and color half of each with a silver permanent marking pen. Learners of light can hold them under a...
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Lesson Plan
Curated OER

Cooking Up Something Good

For Teachers 6th - 8th
Learners compare and convert units of measurement within the United States customary system and within the metric system by baking cookies. Students discuss how to double the cookie recipe, how to make only half of the recipe, and how to...
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Lesson Plan
Curated OER

Descriptive Writing: Using Art to Inspire description

For Teachers 5th - 12th
Write with the senses! Try using art to inspire writers to consider all of the senses. Here, the class is divided in half. Each group looks at one of two images, imagines the senses that would be engaged, and records answers to five...
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Lesson Plan
Curated OER

An Apple a Day

For Teachers Pre-K
Students sort and compare apples before making apple prints. In this apple lesson, students use a painting to inspire art prints made with apple halves. Students compare and sort apples.
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Worksheet
Education.com

Measure School Supplies

For Students K - 3rd Standards
Ever wonder how long a pair of scissors are? Find out with this simple measuring activity in which pupils use the provided ruler to determine the length of four common classroom supplies.
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Interactive
CK-12 Foundation

Exponential Decay: Cool Sunglasses

For Students 10th - 12th Standards
Who wouldn't want to wear four pairs of sunglasses? Each pair of sunglasses reduces the percent of incoming light by one-half. An interactive tutorial helps young mathematicians build a graph that models this scenario. They then explore...

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