K20 LEARN
Cumbersome Cubes
Halving is not always so simple. Small groups build a cube and then determine how to construct a cube that is half the size. Groups create two cubes, one that is the correct size and another that would be an alternative solution. To...
Curated OER
Doubling and Halving
In this mathematics worksheet, learners identify how to solve by doubling and halving. They use strategies like doubling and thirding to calculate answers to each of the equations on the sheet.
Hawaiʻi State Department of Education
Rhythm Patterns
Fractions can be tricky. Why not have kids think of fractions like they think of eighth, quarter, and half notes? In teams, the class creates four-measure patterns with their percussion instruments. They need to explain their rhythm...
Curated OER
Cooking Up Something Good
Students 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...
Fun Music Company
The C Major Scale
Your young musicians will take note of this worksheet that asks them to mark the half steps in a C major scale and then write the scale in both treble and bass clef.
Curated OER
Fraction Animals
Second, third, and fourth graders explore fraction strategies and division by splitting sets of farm animals into equal numbers. Independently, they read word problems, solve them, and check their answers.
Curated OER
Doubling and Halving
A cute square-headed robot is here to help your class understand doubling and halving. Numbers go in his head and come out his ear doubled. Those same number then go in his ear and come out his head halved. This is a great way to show...
Curated OER
Doubling and Halving Multiples of 5
In this multiple of 5's worksheet, students complete a total of 21 problems, doubling or finding half of numbers that are multiples of 5. Answers are included on page 2.
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...
University of Kansas
Exponential and Logarithm Problems
This worksheet manages to provide both fun and serious work solving exponential and logarithmic application problems in engaging story lines and real-life situations. A strong emphasis on science applications and numbers pulled straight...
Curated OER
Chapter 12 Worksheet - Ions, Ionic Bonding, anc Covalent Bonding
Four pages provide plenty of problem solving practice for chemistry whizzes. They answer questions and write electron configurations for ions. They use Lewis dot diagrams to display equations. Covalent bonds are explored. The last half...
Rochester Institue of Technology
Ergonomic Design
To an engineer, the glass is never half full; it's just double the necessary size. The fifth installment of a nine-part technology and engineering series teaches pupils about the idea of ergonomic design. Measurements of popliteal height...
Curated OER
Counting and Multiplication
Review adding and multiplication concepts using this resource. Learners use pictures to identify halves, doubles, and answer multiplication questions. This is a great way to give learners a visual way to understand multiplication concepts.
Illustrative Mathematics
Seven Circles III
A basic set-up leads to a surprisingly complex analysis in this variation on the question of surrounding a central circle with a ring of touching circles. Useful for putting trigonometric functions in a physical context, as well as...
Helping with Math
Ratio and Proportion: Simplifying Ratios (2 of 2)
In this assignment, math stars simplify ratios. The first half just displays numbers, whereas the second half describes real-world scenarios with ratios to be written and reduced. The publisher mentions CCSS.Math.Content.6.RP.3, but it...
Curated OER
Express Yourself Lesson Seed 10: Character Development
Make a study of Timothy and his development as a character over the course of the first half or so of The Cay. This idea focuses in particular on chapters 10 through 12. Learners start out by working on double-entry journals created in...
Ohio Department of Education
The Solution is Complex
Consider complex numbers, roots, and quadratic equations. Use the discriminate as a way to determine the nature of a quadratic's roots. Then discuss the similarities and differences between quadratics with two, one, or no real roots....
Kansas Music Educators Association
Games for the Elementary Music Classroom
Perfect for music specialists, classroom teachers, and substitutes, a packet of 18 games includes complete lessons as well as short activities for when you have some extra time at the end of class.
Curated OER
Trigonometric Identities
In this trigonometry worksheet, students solve and analyze the reciprocal, quotient, Pythagorean and Cofunction Identities. They also discuss sum and difference identities, double angle and half angle identities.
Curated OER
Grandpa's Chocolates
It's fun playing a game of "Guess What's in the Jacket Pocket?" Students read the question using the concept of doubles using mental math. They then share their solutions with the class.
Curated OER
Nucleic Acids: information storage
This sequence of slides covers each main macromolecule that is involved with human structure and function. The history of nucleotide research and the way that they are formed is summarized, a diagram accompanies the explanation. The main...
Curated OER
Extracting DNA from Your Cells
Three steps are needed to extract DNA from learners' inner cheek cells. The procedure and reasons for each step are explained. As enzymes work on the cells, a series of questions are answered regarding the structure of the DNA molecule....
Curated OER
Learning Musical Terms
Students observe and discuss the following musical terms and their symbols: staff, measure, bar line, double bar line, treble clef, bass clef, time signature, common time, cut time, quarter note, half note, dotted half note, whole note,...
Curated OER
Bigger and Smaller - Exponent Rules
Students study rules regarding exponents. It uses a situation from Alice in Wonderland in which Alice's height is doubled or reduced by half depending on what she consumes to introduce negative exponents and the rules for dividing powers.