Curated OER
Number Wall
Use the number wall to practice addition, evens and odds, missing addends, and doubling. Learners answer various questions based on six numbers, filling in squares with digits. They list the odd numbers and total them, then list the even...
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
Finding Quarters
How do you find a quarter of a given number? The class will see how easy it can be, as they first find 1/2 of a given set of numbers. They are then encouraged to find 1/2 again, which of course is 1/4. A great strategy for learners just...
CK-12 Foundation
Finding Exact Trigonometric Values Using Double Angle Identities: Trig Values Using Double and Half Angle Formulas
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.
Curated OER
Kinetics
In this kinetics worksheet, students answer a variety of questions. They find reaction rates, determine the order of reactions and they determine rate constants. They calculate the half-life for reactants and they answer questions about...
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.
EngageNY
Addition and Subtraction Formulas 2
Knowing the addition formulas allows for the calculations of double and half formulas. The fourth installment of 16 has the class use the addition formula to develop the double angle trigonometric formulas. Using the double formula,...
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.
Illustrative Mathematics
Finding the Line of Symmetry
Can you find the line of symmetry? That's what your students will demonstrate by completing this worksheet. The task gets increasingly difficult as shapes are included that have one line of symmetry, no lines of symmetry, and multiple...
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...
EngageNY
Mid-Module Assessment Task: Pre-Calculus Module 4
Challenge scholars to show what they know about properties and addition and subtraction formulas for trigonometric functions. The resource provides a mid-unit check on the progress toward mastery of trigonometric concepts. The areas...
Curated OER
Learning the Multiplication Facts: Part 1
When students explore mathematics through patterns they will build a strong number sense and creative analysis skills. This presentation shows students that 0's, 1's, 2's, 5's, 6's, and 9's all have patterns. Tip: Before revealing each...
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...
Science Friday
Make a Speaker
Make science come in loud and clear. Pupils learn about how a speaker works by building one. The scholars first learn about electromagnetic fields by building an electromagnet. Using that knowledge, they build a crude speaker using a...
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.
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....
Noyce Foundation
Snail Pace
Slow and steady wins the race? In the assessment task, scholars calculate the rates at which different snails travel in order to find the fastest snail. Hopefully, your class will move much more quickly in finishing the task!
Curated OER
Angle Sum and Difference
In this angle sum and difference activity, 11th graders solve 10 different problems related to determining the angle sum and difference of numbers. First, they determine the exact value of sine and cosine degrees. Then, students utilize...
Music Fun
Overhead Transparencies
Classroom and studio music instructors will find this packet of 10 transparencies of major value. Images of treble and bass clefs, notes and rests, note values, time signatures, and music language are included. Nothing minor about this...
Curated OER
The Gum Drop
Learners find the area of three figure by the traditional formulaic methods. Then they count the number of grid squares to double check. They show an intuitive sense of Pick's Algorithm by counting every two boundary squares as one unit....
American Museum of Natural History
All About Cloning
Start seeing double. The American Museum of Natural History website provides pupils with information about Dolly, the cloned sheep. Learners find out the procedure used to create Dolly along with why scientists clone animals.
Curated OER
Geometric Sequences - Bacterial Growth
Bring algebra to life with scientific applications. Math minded individuals calculate and graph the time it takes a bacterium to double. They discuss geometric sequences and use a chart to graph their findings. There are 38 questions all...
Curated OER
Solving Equations
For this Algebra I worksheet, 9th graders solve one-step equations using addition and subtraction. The one page worksheet contains ten problems. Answers are provided.
Curated OER
Double or More
Young scholars practice cooking by following recipe instructions. In this measuring instructional activity, students read food recipes and collect the materials needed to make one batch, then double the recipe to create twice as much...