Physics Classroom
If This, Then That: Color
The dress color debate of 2015 taught the importance of understanding how we see light. Scholars view a shirt under two different colored lights and then must predict what color the shirt will appear under a third light. They apply color...
Curated OER
Color Theory & Using Layers
Students investigate the color wheel theory and incorporate it into simple sketches on their handheld. The importance of the use of layering and the difference between primary, secondary, and tertiary colors is presented in this lesson.
Illustrative Mathematics
Shake and Spill
Entertaining as well as educational, this math activity about decomposing numbers is bound to capture the engagement of young learners. Given a cup and five two-color counters, young mathematicians simply shake and spill the cup,...
Curated OER
Turtle Coloring Puzzle (Addition and Subtraction Facts to 5)
Combine addition and coloring with this simple instructional activity featuring a picture of a turtle. Learners color by number, but they must find the sum or difference of simple addition and subtraction problems to find each number....
Coloring Squared
Four‐Leaf Clover: Practice Subtraction
Scholars demonstrate their proficiency in subtracting one-digit numbers and color squares a specific color depending on whether their resulting values are one, two, or three. A completed practice page shows a festive four-leaf clover!
Curated OER
Color Tile Riddles
In this color the tile riddles worksheet, students solve and complete 6 different puzzles that include various riddles to solve. First, they determine the number that is represented by what color according to the information given. Then,...
Coloring Squared
Baseball Player Subtracting With 4
Subtracting can be fun, especially when it involves baseball! Beginning subtracters practice taking away four from a number to find their answers. Each square has an answer of a number 1–10 and should be colored based on the color key....
Curated OER
Complementary Superheroes
Students discover the color wheel. In this color lesson plan, students find the primary colors, secondary colors, and contrasting colors. They look through the designs of super hero logos and create their own using what they know about...
Curated OER
Color By Number
In this subtraction practice worksheet, students solve problems that require them to subtract 2-digit numbers from 3-digit numbers and use their answers and the color code chart to color a mystery picture.
CK-12 Foundation
Linear Systems with Addition and Subtraction: Fill in the Boxes 1
Eliminate a color by dragging shapes. The interactive provides a graphical color display that allows for pupils to solve a linear system by elimination. Learners combine figures following set rules for positive and negative shapes. The...
CK-12 Foundation
Addition and Multiplication Properties with Real Numbers: The Secret of Subtraction
An interactive boosts mathematicians' knowledge of subtracting integers using a horizontal number line by way of multiple-choice, true or false, and discussion questions.
Curated OER
Graph Paper Patterns
Young artists divide a piece of graph paper into sections using rectangles, squares, and triangles. They then fill each section with patterns of shape and color. Elementary graders describe how their patterns are organized. Secondary...
Curated OER
Rainbow Number Line
Guide your kindergartners to create memorable, colorful number lines that they will use throughout the school year. Using sentence strip and a black marker or card stock printed in a teachers font, create traceable numbers from 1 to 20...
Howard Hughes Medical Institute
Molecular Genetics of Color Mutations in Rock Pocket Mice
Can you identify mutations just by viewing DNA sequences? Scholars apply prior knowledge of DNA sequences to do just that in an engaging activity. They transcribe and translate genes, thus identifying the locations of mutations. Then,...
Curated OER
Fun Math Worksheet: Subtraction
Cute clip art makes this math sheet more inviting than others. Learners subtract two and three digit numbers from three digit number to solve 15 different problems. Tip: Have early finishers color in the animals located on the page.
Curated OER
Halves and Fourths
Young mathematicians may not love fractions, but do they love sandwiches? How about cake? Use this visual fractions activity to represent fractions in a relatable way. Scholars start by coloring segmented shapes to indicate halves and...
Curated OER
Butterfly Addition: Color by Numbers
Children learning to add numbers up to 11 develop the strategy of using the larger number as the first addend and counting on from there to find a sum. They define addition and review the meaning of the plus (+) symbol. To practice, they...
Curated OER
Color the Snow
Are your teaching in a cold and snowy environment? If so, then try out this fun activity with your class. You mix a variety of colors in large jars to show learners the difference between primary and secondary colors, then let them mix...
CK-12 Foundation
Mental Math for Addition and Subtraction Equations: Marble Bag Collector
Don't lose your marbles as your learn about addition and subtraction equations. Pupils investigate the relationship between addition and subtraction by using an interactive. They drag different color marbles into a box and identify the...
Curated OER
Breaking Color Barriers
Students compare brown eggs and white eggs. In this color lesson, students see two different color eggs and predict what they will look like on the inside. They see that both eggs are the same and compare this to people of different...
Curated OER
Alphabet Coloring Page: Letter Mm
In this alphabet coloring worksheet, students identify the uppercase and lowercase letter Mm. Students color the image and words for the moon.
Curated OER
Odd or Even?
There are multiple objectives at play here as scholars solve addition and subtraction problems and determine whether the sums and differences are odd or even. As they solve these, encourage pupils to observe patterns. What happens when...
CK-12 Foundation
Subtraction of Fractions: Fragmented Fractions
An interactive challenges scholars to subtract mixed numbers. Pupils answer questions—multiple-choice, fill in the blank, and true or false—with help from virtual fraction strips. The practice closes with a discussion.
Lessonplans Blog Spot
Butterfly Fun
In this addition and subtraction activity, students solve a set of nine two-digit addition and subtraction problems. Once finished computing, they color spaces with even-numbered answers blue and odd-numbered answers purple, then color...