Texas Instruments
Drawing a Line Tangent to a Circle
Explore lines tangent to a circle. In this math lesson, students manipulate circles and lines on a TI calculator. They draw a circle and analyze perpendicular lines intersecting the circle in only one place. This activity works...
Curated OER
Edgar Allan Poe's First Lines
Try to guess the title of the Edgar Allan Poe work when you are given the first line of the poem! Fifteen mostly multiple-choice questions will have you racking your brain to recall the opening words of some not-so-well-known pieces. See...
Mathed Up!
Scatter Graphs
Make an estimate by getting in line. The class works with scatter plots and lines of best fit to make an estimate for given values. Pupils determine whether there is a positive or negative correlation and draw a best-fit line. Using the...
Curated OER
Multiplication Using Arrays, Number Lines, and Repeated Additions
An educational article can be as useful a tool as a good lesson. This article focuses on how one can use arrays, repeated addition, and number lines to reinforce a deeper understanding of multiplication. Links to 5 different worksheets...
Todd Bowden
Number Line
Arrange these in order on a number line:
95%
1/3
.700
3/5
5/6
50%
.200
Was that too easy? Don't worry! This app gradually gets more difficult.
Khan Academy
Challenge: Lined Paper
Now create your own graph paper with this JavaScript programming activity! First, change the while loop that draws horizontal lines into a for loop. Then, add another for loop that draws the vertical lines. For an added challenge,...
Curated OER
Domain and Range
Relations, and functions, and line tests, oh my! An instructional slideshow demonstrates the definitions of a relation, a function, and the domain and range of a relation. Viewers then learn how to use mappings and vertical...
PBS
Plotting Pairs of Coordinate Points in All Four Quadrants to Construct Lines
Your young graphers are motivated by watching three Cyberchase videos to plot points in all four quadrants, connect pairs of points to make a line segment, and find the point of intersection of two lines.
EngageNY
Understanding Addition of Integers
Count up or down to find sums. The third lesson in a 25-part series uses number lines to build an understanding of the sums of integers. Pupils make the connection between the distance and direction of a sum from the first addend, then...
101 Questions
The Mystery Line
Take the mystery out of linear functions. Provided an image with no scale, learners guess where the line that connects them might cross the y-axis. After providing the coordinates of the points, they realize scale is an important...
CK-12 Foundation
Power Lines
How does electricity travel through power lines? The simulation demonstrates the how changes in voltage and resistance are related to the distance between power polls and the thickness of the cable. Scholars control three variables in...
Math Worksheets Land
Understand a Fraction on a Number Line
Where would 3/4 be on the number line? Project this fraction problem as an all-class warm up, asking scholars to complete it on their own before revealing the detailed explanation below. Using a number line segmented into quarters, they...
Curated OER
Order Numbers On a Number Line
Fifth and sixth graders study the use of a number line to add integers and they observe a teacher demonstration of how to add integers on a number line. Afterward, they construct a number line and use the number line to solve addition...
Curated OER
Number Line
Explore how to make a number line and how to mark the numbers along the number line using fraction and decimal notation. Your scholars will compare and order fractions and decimals and find their appropriate position on the number line.
Curated OER
Decimals on the Number Line
In this number lines learning exercise, learners choose which decimal point the letters represent on a number line, and what decimal number the letters represent. Students complete 10 multiple choice questions.
Curated OER
Understand a Fraction on a Number Line
Each of these fractions has an accompanying number line, segmented only by lines. Scholars match the fractions to the corresponding number line based on how many total segments (denominator) and the line circled (numerator). This...
Curated OER
Represent a Fraction on a Number Line
Make fractions easier with a visual representation along a number line. There are eight fractions here for scholars to match to their corresponding number lines. Although this is a good idea, the formatting isn't ideal. Ask kids to...
Curated OER
Using Number lines in Addition and Subtraction
Adding and subtracting can be done by counting on or counting down a number line. This presentation provides a complete demonstration and examples of how one can use a number line to solve double-digit addition and subtraction problems....
Curated OER
Number Lines and Whole Numbers
Number lines come in handy once again! Use them to help scholars visualize addition and subtraction problems. They examine five lines to determine which equation each represents, then match them to a list of answers. Consider covering...
Curated OER
Understand a Fraction on a Number Line
Fractions are easier to grasp when scholars can see them on a number line, so have them create the number lines themselves! For each of 10 fractions, they draw a number line and mark where along the fraction it would be. There are no...
Math Worksheets Land
Represent a Fraction on a Number Line
A number line serves as the medium to display visual fractions as scholars examine two points along its segmented length. The line is split into quarters and scholars determine which fraction is represented by two letters labeled at...
Curated OER
Represent a Fraction on a Number Line
Have scholars represent these fractions by drawing a number line for each. They segment the number line based on the denominator, then mark an x based on the numerator. Do one of these together before sending pupils off to do this...
Curated OER
Counting by Groups of Ten, Number Line
Have your youngsters test out their abilities using a number line. Learners will add to the number line by increments of ten until the solution is found!
Curated OER
Represent Mixed Numbers on a Number Line
This number line sequence is missing a few mixed numbers. Scholars determine what the increments are between each segment and use the pattern to complete the sequence. They must count by quarters and write in mixed numbers. Because there...
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