CK-12 Foundation
Ck 12: Elem Math: Single Object Length
[Free Registration/Login may be required to access all resource tools.] The video shows how to use a ruler and determine the length of an object in inches. The video is followed by additional problems for students to practice the skills...
CK-12 Foundation
Ck 12: Elem Math: Measuring Length in Meters
[Free Registration/Login may be required to access all resource tools.] The video shows how to use a ruler to measure an object in meters. The video is followed by a series of practice questions to assess student comprehension of the...
CK-12 Foundation
Ck 12: Elem Math: Multiple Object Lengths
[Free Registration/Login may be required to access all resource tools.] The video shows how to use a ruler and count the length of different objects. The video is followed by a series of practice questions to assess student comprehension...
CK-12 Foundation
Ck 12: Elem Math: Multiple Object Length Comparison
[Free Registration/Login may be required to access all resource tools.] The video calculates length of different objects and then compares the various lengths. The video is followed by a series of practice questions to assess student...
Math Open Reference
Math Open Reference: Constructions
Learn about drawing shapes using only a compass and straight edge or ruler with out measuring any lengths or angles.
Math Is Fun
Math Is Fun: Using a Ruler and Drafting Triangle
Students learn how to construct parallel and perpendicular lines. The resource consists of video demonstrations.
Texas Instruments
Texas Instruments: Math Today When a Ruler Isn't Enough
This activity illustrates a real-life problem that uses trigonometry to solve for an unknown. students can use trigonometric ratios and inverse trigonometric relationships to determine the side of a triangle and the measure of the...
Annenberg Foundation
Annenberg Learner: From Corner to Corner
Measure the lengths and diagonals of three squares with a ruler. Look over your measurements and try to come up with a rule of thumb for estimating the length of a diagonal if you know the length of a side.
Sophia Learning
Sophia: Measuring a Line Segment: Lesson 5
This video lesson [1:15] will walk you through using a ruler to measure the distance between endpoints. It is 5 of 10 in the series titled "Measuring a Line Segment." CCSS.Math.Content.3.MD.B.4 Generate measurement data by measuring...
Math Is Fun
Math Is Fun: Using a Protractor
Students learn how to construct and measure angles using a protractor and ruler. The resource consists of a video demonstration and exploration activity.
Math Is Fun
Math Is Fun: Constructing a Triangle With 3 Known Sides
Students learn how to construct a triangle with three known sides using a straightedge and a compass. Includes an animated demonstration.
![Houghton Mifflin: Math Graphs: Straightedge 3 [Pdf] Unknown Type](https://d15y2dacu3jp90.cloudfront.net/images/attachment_defaults/resource/large/FPO-knovation.png "Houghton Mifflin: Math Graphs: Straightedge 3 [Pdf] Unknown Type")
Math Graphs
Houghton Mifflin: Math Graphs: Straightedge 3 [Pdf]
The practice problem asks students to use the given figure and a ruler to determine the value of trigonometric functions. The example is available in PDF format.
Math Graphs
Houghton Mifflin: Math Graphs: Straightedge 4 [Pdf]
The practice problem asks students to use the given figure and a ruler to determine the value of trigonometric functions. The example is available in PDF format.
Math Graphs
Houghton Mifflin: Math Graphs: Straightedge 1 [Pdf]
Students use a straightedge to approximate the value of each trigonometric function in the practice problem. The practice exercise is available in PDF format.
Math Graphs
Houghton Mifflin: Math Graphs: Straightedge 2 [Pdf]
Students use a straightedge to approximate the value of each trigonometric function in the practice problem. The practice exercise is available in PDF format.
Math Graphs
Houghton Mifflin: Math Graphs: Straightedge 5 [Pdf]
Learners use the given figure and a straightedge to approximate the values of each trigonometric function. The figure is available in PDF format.
Math Graphs
Houghton Mifflin: Math Graphs: Straightedge 6 [Pdf]
Learners use the given figure and a straightedge to approximate the values of each trigonometric function. The figure is available in PDF format.
Math Graphs
Houghton Mifflin: Math Graphs: Straightedge 7 [Pdf]
The practice problem uses a straightedge and a figure to approximate the solution of each equation. The figure is available in PDF format.
Math Graphs
Houghton Mifflin: Math Graphs: Straightedge 8 [Pdf]
The practice problem uses a straightedge and a figure to approximate the solution of each equation. The figure is available in PDF format.
Khan Academy
Khan Academy: Measure Lengths 2
Measure objects using a ruler. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
PBS
Pbs Kids: Dinosaur Train: Pinecone Pass
In this distance game pass the pine cone to the right teammate and help the Claw Stars get down the field! Use a ruler to figure out where to throw the pine cone.
Khan Academy
Khan Academy: Read Line Plots (Data With Fractions)
Practice reading and interpreting data that is graphed on line plots. The data graphed includes fractions. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints....
Curated OER
Some Printable Paper Rulers
Site provides various rulers that you can print out and have children use in the classroom. Great resource for math teachers!
Curated OER
Some Printable Paper Rulers
Site provides various rulers that you can print out and have children use in the classroom. Great resource for math teachers!