8.1 Perimeter and Area | i. Recognize region of a closed figure | https://www.aplustopper.com/open-closed-figures-in-geometry/ | Tutorial |

| | https://www.turtlediary.com/lesson/open-and-closed-shapes.html | Tutorial |

| | https://www.smartickmethod.com/blog/math/geometry/open-closed-polygons/ | Tutorial |

| | https://www.splashmath.com/math-vocabulary/geometry/closed-shape | Tutorial |

| | https://www.tes.com/lessons/XKqwViP3HxKW1g/closed-and-open-figures | VIdeo |

| | https://www.youtube.com/watch?v=xjouGfTpvB8 | VIdeo |

| | https://www.youtube.com/watch?v=s6dJqNzxpJA | VIdeo |

| | http://www.icoachmath.com/math_dictionary/Closed-figure | Tutorial |

| | https://www.math-only-math.com/simple-closed-curves.html | Tutorial |

| | https://www.youtube.com/watch?v=-IaL2IuhK4E | VIdeo |

| ii. Differentiate between perimeter and area of a region | https://keydifferences.com/difference-between-area-and-perimeter.html | Tutorial |

| | https://www.eduplace.com/math/mw/background/4/10/te_4_10_formulas_ask.html | Tutorial |

| | https://www.mathplanet.com/education/pre-algebra/inequalities-and-one-step-equations/calculating-the-area-and-the-perimeter | Tutorial / Video |

| | https://kb.osu.edu/bitstream/handle/1811/78121/OJSM_63_Spring2011_11.pdf | Tutorial |

| | https://www.katesmathlessons.com/area-vs-perimeter.html | Tutorial |

| | https://byjus.com/maths/difference-between-area-and-perimeter/ | Tutorial |

| | https://www.diffen.com/difference/Area_vs_Perimeter | Tutorial |

| | https://www.khanacademy.org/math/geometry/hs-geo-foundations/hs-geo-area/v/perimeter-and-area-basics | VIdeo |

| | https://www.khanacademy.org/math/cc-third-grade-math/3rd-geometry/cc-third-grade-compare-area-perimeter/v/comparing-area-and-perimeter | Video |

| | http://www.mybleemath.com/en/video/learn-the-difference-between-area-perimeter-lesson | VIdeo |

| iii. Identify the units for measurement of perimeter and area | https://www.mathplanet.com/education/pre-algebra/inequalities-and-one-step-equations/calculating-the-area-and-the-perimeter | Tutorial |

| | https://www.montereyinstitute.org/courses/DevelopmentalMath/COURSE_TEXT2_RESOURCE/U07_L2_T2_text_final.html | Tutorial |

| | https://www.khanacademy.org/math/basic-geo/basic-geo-area-and-perimeter | Video |

| | https://www.khanacademy.org/math/geometry-home/geometry-area-perimeter/geometry-perimeter/v/perimeter-and-unit-conversion | Video |

| | https://www.youtube.com/watch?v=xFQJ4QWuw78 | Video |

| | https://www.helpingwithmath.com/by_subject/geometry/geo_area.htm | Tutorial |

| | http://dsc2e.weebly.com/unit-8-linear-measurement-area-and-perimeter.html | Video/Tutorial |

| iv. Write the formulas for perimeter and area of a square and rectangle | https://www.toppr.com/guides/maths/perimeter-and-area/squares-and-rectangles/ | Video |

| | http://www.coolmath.com/reference/squares | Tutorial |

| | https://www.science.co.il/formula/ | Worksheet |

| | https://www.khanacademy.org/math/geometry/hs-geo-foundations/hs-geo-area/v/perimeter-and-area-basics | Video |

| | https://www.uzinggo.com/understanding-perimeter-area-rectangle-square/perimeter-area-quadilaterals/math-foundations-grade-6 | Tutorial |

| | https://www.mathsisfun.com/area.html | Worksheet |

| | https://www.youtube.com/watch?v=3G-PHVvTTHc | Video |

| | https://www.halfloop.com/area-of-a-rectangle?gclid=Cj0KCQjw9pDpBRCkARIsAOzRzitIEfJlmY6zi23uECUzlAfU0V7X7tq_tm4OAlmluigzvediDFbQ4JIaAhuNEALw_wcB | Tutorial |

| | https://www.ck12.org/geometry/square-and-rectangle-area-and-perimeter/lesson/Area-and-Perimeter-of-Rectangles-GEOM/ | Video |

| | https://www.mathgoodies.com/lessons/vol1/area_rectangle | Tutorial |

| | https://my.homecampus.com.sg/Learn/Primary-Grade-4/Measurement/Area-and-Perimeter-of-Rectangles-and-Squares | Tutorial |

| | https://www.math-only-math.com/perimeter-and-area-of-square.html | Example |

| | https://www.math-only-math.com/area-and-perimeter.html | Tutorial |

| | https://www.varsitytutors.com/hotmath/hotmath_help/topics/perimeter-area-volume | Worksheet |

| | http://www.math.com/tables/geometry/perimeter.htm | Tutorial |

| | http://www.math.com/school/subject3/lessons/S3U2L4GL.html | Tutorial |

| | https://bestgedclasses.org/perimeter-and-area-of-rectangles/ | Tutorial |

| | https://tutors.com/math-tutors/geometry-help/area-and-perimeter | Video |

| | https://www.tutorialspoint.com/perimeter_and_area/perimeter_of_square_or_rectangle.htm | Tutorial |

| v. Apply formulas to find perimeter and area of a square and rectangular region | https://www.math10.com/problems/area-square-rectangle/easy/ | Worksheet |

| | https://www.onlinemathlearning.com/area-rectangle.html | Worksheet |

| | https://www.onlinemath4all.com/area-and-perimeter-worksheet.html | Worksheet |

| | https://www.math-only-math.com/practice-test-on-area-and-perimeter-of-square.html | Worksheet |

| | https://www.onlinemath4all.com/area-and-perimeter-of-a-square.html | Examples |

| | https://www.varsitytutors.com/hotmath/hotmath_help/topics/word-problems-area-and-perimeter-of-a-rectangle | Worksheet |

| | https://www.khanacademy.org/math/pre-algebra/pre-algebra-measurement/pre-algebra-area/e/area_of_squares_and_rectangles | Quiz |

| | https://printableworksheets.in/worksheet/area-and-perimeter-of-rectangle-and-square | Worksheet |

| | https://my.homecampus.com.sg/Learn/Primary4/Measurement/Area-and-Perimeter-of-Rectangles-and-Squares | Tutorial/Example |

| | https://www.tutorialspoint.com/perimeter_and_area_of_polygons/word_problem_involving_area_of_square_or_rectangle.htm | Example |

| | https://www.analyzemath.com/Geometry/rectangle_problems.html | Example |

| | http://www.mathocean.com/2009/04/area-and-perimeter-square-and-rectangle.html | Example |

| | https://www.onlinemathlearning.com/area-square-rectangle.html | Video |

| | http://www.mathscore.com/math/free/lessons/Florida/5th_grade/Perimeter_and_Area_Word_Problems_sample_problems.html | Worksheet |

| | http://algebralab.org/lessons/lesson.aspx?file=Geometry_WORD-AreaPerimeterRectangles.xml | Worksheet |

| | https://www.talentsprint.com/blog/2017/04/mensuration-problems-area-and-perimeter-bank-exams.html | Example |

| vi. Solve real life problems of a perimeter and area | https://www.khanacademy.org/math/cc-third-grade-math/3rd-geometry/cc-third-grade-compare-area-perimeter/e/comparing-area-and-perimeter | Tutorial |

| | https://www.khanacademy.org/math/pre-algebra/pre-algebra-measurement/prealgebra-perimeter/e/area-and-perimeter-of-rectangles-word-problems | Worksheet |

| | https://www.onlinemath4all.com/real-world-problems-involving-area-and-perimeter.html | Worksheet |

| | http://web1.nbed.nb.ca/sites/ASD-W/CNBA/Teachers/Documents/Even%20More%20Area%20and%20Perimeter%20Word%20Problems%20Question.pdf | Worksheet |

| | https://www.ck12.org/book/CK-12-Middle-School-Math-Grade-6/section/2.2/ | Tutorial |

| | https://www.mathworksheetsland.com/4/25areaperi/ip.pdf | Worksheet |

| | https://www.youtube.com/watch?v=1cuN8e-y-fI | Video |

| | https://www.khanacademy.org/math/pre-algebra/pre-algebra-measurement/prealgebra-perimeter/v/length-and-width-from-perimeter-and-area | Video |

| | https://learnzillion.com/lesson_plans/8917-use-a-chart-to-understand-how-rectangles-can-have-the-same-perimeter-with-different-areas/ | Video |

| | https://www.onlinemathlearning.com/area-real-world.html | Tutorial |

| | https://learnzillion.com/lesson_plans/5036-find-the-perimeter-of-a-square-or-rectangle-by-adding-side-lengths/ | Video |

| | https://www.youtube.com/watch?v=gNqmI0f16QI | VIdeo |