Curated OER
Halves of Even Numbers to 20-Sheet 1
In this halves of even numbers instructional activity, students find halves of given numbers and match numbers to their halves. A reference web site is given for additional activities.
Curated OER
Halves of Even Numbers to 20, Sheet 2
In this halves of even numbers to 20 worksheet, students answer a set of 24 questions, finding halves of given numbers, then match numbers to their halves.
Curated OER
2000 U.S. National Chemistry Olympiad National Exam - Part I
The National Chemistry Olympiad exams are comprehensive tests covering an entire year of chemistry concepts. You can use them as practice for competing in the challenge, or simply as a review, or as an actual final exam for your general...
Curated OER
Face Study: Draw the Other Half
Build fine motor, spatial, and drawing skills by having the class complete the other half of a portrait. They choose an image of a face from a magazine, then attempt to draw the other half of the face as accurately as they can. Two book...
Curated OER
Count Forward and Backwards in Halves
In this counting learning exercise, students count forward and backwards in halves as directed by given numbers. An answer key and website reference are given.
Curated OER
Hours and Half Hours of Time- Step-by-Step Lesson
This brief introduction to reading time on analog and digital clocks has learners examine two clock faces, one of each type. They determine the time (4:30 on the analog and 6:30 on the digital). An explanation on the bottom describes the...
Curated OER
Measuring to the Nearest Half-Inch
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.
Curated OER
Half Angle Formula
In this half angle formula worksheet, students use half angle formulas to find the value of given angles. This one-page worksheet contains 1 multi-step problems.
Curated OER
Half Angle
Students calculate the solution using half angles formulas. In this calculus lesson plan, students identify the different properties of a triangle using trigonometric properties. They identify the mean, altitude and angles of a triangle.
Curated OER
Half Time
In this shapes instructional activity, 1st graders study and analyze how to cut three different shapes on dotted lines in half, two different ways on each line.
Curated OER
Fractions - Equal or Not
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,...
Curated OER
Measure Objects To the Nearest Half Inch
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.
Curated OER
The Past Half Century: Achieving Equality
Young scholars analyze reactions to the Brown vs. Education decision of 1954. In this segregation lesson, student look at the actions that were taken in the education world as a result of the Brown decision. They watch a CD, examine...
Curated OER
Pumpkin Concentration: Doubles Subtraction
Looking for a festive way to practice doubles subtraction? This pumpkin concetration game requires minimal set-up and can be brought out anytime for fun practice. Consider laminating the printed template so they last longer. Partners...
Curated OER
Get a Half Life!
Eighth graders use M&M's to experiment with data. They use a graphing calculator to determine the best equation for their data; linear, quadratic or exponential. They analyze the data to find the half-life of their M&M's.
Rational Number Project
Initial Fraction Ideas: Lesson 3
Visual models support young mathematicians as they deepen their fractional number sense in this elementary math lesson. Using fraction circle manipulatives, children explore basic unit fractions as they develop the fundamental...
Curated OER
Finding Half of a Set
In this finding half of a set activity, 3rd graders shade one half of the circles in the set for seven sets and write the number sentence.
Curated OER
Tiling Tessellations
Young scholars explore tessellations. In this shapes and geometry activity, students describe the attributes of many of the shapes displayed on an Elmo. Young scholars create examples of tessellations using pattern blocks.
Curated OER
Half Lives
Students investigate the concept of half-life by conducting an M&M experiment. In this chemistry lesson, students differentiate nuclear fusion and fission. They present investigation findings to class.
Curated OER
Finding the Percent of Iron in Lawnsand
In this percent of iron in lawnsand instructional activity, students perform a titration of lawnsand using potassium manganate (VII) solution and find the number of moles of iron in the sample. Students use the number of moles to find...
Curated OER
To Be (Half) Or Not To Be (Half)
First graders demonstrate various ways to represent and verify a whole or set separated in two, three, or four equal parts. Using interlocking cubes, Students model a part of a whole or a part of a set. They use appropriate tools and...
Curated OER
Halving
Have your learners practice division and how to find half of a whole using this resource. They solve 10 problems involving finding a half of numbers, such as 68.
Curated OER
Equivalent Fractions: Halves
In this equivalent fractions activity, students read about and see examples of shading to arrive at equivalent fractions, then complete a set of 5 activities finding equivalent fractions.
Illustrative Mathematics
Carbon 14 Dating in Practice I
How old is the plant? Here is a task that presents the exponential decay function for carbon 14 in a plant. Pupils use the function to estimate the amount of carbon 14 in the plant when it died and analyze the function to find what the...