CK-12 Foundation
Ck 12: Measurement: Scale Factor to Find Actual Dimensions
[Free Registration/Login may be required to access all resource tools.] Identify scale factor and use it when problem solving.
Khan Academy
Khan Academy: Interpret Scale Factor in Scale Drawings
Interpret scale factor in practice scale drawings.
PBS
Pbs Learning Media: Kid Vid: Scaling Up Rectangles
Watch a student think through a problem about how the area of a rectangle changes when both sides are increased by the same scale factor and use online tools to demonstrate understanding of concepts related to area and scale factors in...
Alabama Learning Exchange
Alex: Using Scale Factors: Drawing Your Body to Scale
Teachers will use this lesson plan to review and apply skills involving scale factors. Teachers will use illuminations website to review scale factor. Then students will be given instructions to draw their bodies to scale.
CK-12 Foundation
Ck 12: Arithmetic: Proportions to Find Scale Ratios
[Free Registration/Login may be required to access all resource tools.] In this lesson students find a scale, ratio, or proportion given actual and scale dimensions. Students examine guided notes, review guided practice, watch...
Mangahigh
Mangahigh: Shape: Locus Problems
Explore the relationships between length, area, and volume scale factors.
CK-12 Foundation
Ck 12: Geometry: Estimation of Parallelogram Area in Scale Drawings
[Free Registration/Login may be required to access all resource tools.] In this lesson students estimate actual areas of parallelograms in scale drawings. Students examine guided notes, review guided practice, watch instructional videos...
Sophia Learning
Sophia: Similarity
This learning tutorial describes the characteristics of similar figures and how to use scale factor and proportions to determine missing side lengths. The lesson includes PowerPoint presentations and videos demonstrating how to solve...
CK-12 Foundation
Ck 12: Geometry: Dilation
[Free Registration/Login may be required to access all resource tools.] In this lesson students recognize dilations and use scale factor to determine measurements. Students examine guided notes, review guided practice, watch...
CK-12 Foundation
Ck 12: Geometry: Dilation in the Coordinate Plane
[Free Registration/Login may be required to access all resource tools.] This concept teaches students how to draw dilated figures in the coordinate plane and use dilated figures in the coordinate plane to find scale factors. Students...
CK-12 Foundation
Ck 12: Geometry: Dilation
[Free Registration/Login may be required to access all resource tools.] This concept introduces dilations and how to find scale factors. Students examine guided notes, review guided practice, watch instructional videos and attempt...
National Council of Teachers of Mathematics
Nctm: Figure This: Math Challenges for Families
Students, teachers, and parents alike will enjoy this challenging math site. It contains a clever brain teaser section plus creative problems related to algebra, geometry, measurement, numbers, statistics, and probability. A Spanish...
CK-12 Foundation
Ck 12: Geometry: Dilation in the Coordinate Plane
[Free Registration/Login may be required to access all resource tools.] In this lesson, students dilate figures in the coordinate plane. Students examine guided notes, review guided practice, watch instructional videos and attempt...
Quia
Ixl Learning: Dilations
Brush up on your math skills relating to dilations then try some practice problems to test your understanding.
Quia
Ixl Learning: Similar Triangles
Brush up on your math skills relating to similar triangles then try some practice problems to test your understanding.
Quia
Ixl Learning: Similarity
Brush up on your math skills relating to similarity then try some practice problems to test your understanding.
Illustrative Mathematics
Illustrative Mathematics: Calculator Trouble
Even though students can solve this problem by multiplying, it is unlikely they will. Here it is much easier to answer the question if you can think of multiplying a number by a factor as scaling the number. Aligns with 5.NF.B.5.