School level

# 13th May

## 13th May: 2D Area

### Learning Outcomes

Students studying at FL, OL and HL should be able to:

• select and use suitable strategies to find the area of the following plane figures: disc, triangle, rectangle, square, and figures made from combinations of these
• select and use suitable strategies to estimate the area of a combination of regular and irregular shapes

Students studying at OL and HL should be able to:

• use the trapezoidal rule to approximate area

Resources & Presentations
Explanatory Videos
GeoGebra File
SEC Exam Questions

### Introducing the trapezoidal rule

Powerpoint presentation on how to introduce the trapezoidal rule

SC Mathematics

#### How it maps to the curriculum

SC
Mathematics

Strand: 3. Number

Strand unit: 4. Length, Area & Volume

Asset type: Presentation
Language: English
Special Needs:

### Triangles

http://www.mathopenref.com/tocs/triangletoc.html Added: 24 May 2010 Contributor: Scoilnet Resource type: Game

Notes and diagrams on different triangle types, perimeter, area, and circles of a triangle.

JC Mathematics

#### How it maps to the curriculum

JC
Mathematics

Strand: 3. Geometry & Trigonometry

Strand unit: 2. 2D Shapes and 3D Solids

Asset type: Online Resource
Language: English
Special Needs:

### Perimeter/Area/Volume/Surface - Quiz

https://www.thatquiz.org/tq-4/?-j206f-la-nk-p0 Added: 28 Apr 2017 Contributor: Aoife McDonnell Resource type: Assessment

Revision tool for students to self assess their understanding on basic geometry. Students can vary the difficulty by choosing the level. Geometry included are area, surface, volume and perimeter of various shapes.

JC Mathematics

#### How it maps to the curriculum

JC
Mathematics

Strand: 3. Geometry & Trigonometry

Strand unit: 2. 2D Shapes and 3D Solids

Suggestions for use: Revision exercise for students to self assess their understanding on geometry

Asset type: Online Resource
Language: English
Special Needs:

https://youtu.be/bjvfJtqilUA Added: 20 Jun 2018 Contributor: UCD MSC Resource type: Audio / Video

Consider the different types of quadrilaterals and their properties with this 3-minute video clip. The video highlights the similarities and differences between squares, rectangles, parallelograms and rhombus quadrilaterals. This video was produced by the UCD Maths Support Centre in conjunction with UCD access centre.

SC Mathematics
JC Mathematics

#### How it maps to the curriculum

SC
Mathematics

Strand: 2. Geometry & Trigonometry

Strand unit: 1. Synthetic Geometry

Suggestions for use: Flipped learning - Assign the video as a homework task. Students watch the video at home and can then apply what they learned in the next lesson.

JC
Mathematics

Strand: 3. Geometry & Trigonometry

Strand unit: 2. 2D Shapes and 3D Solids

Suggestions for use: Flipped learning - Assign the video as a homework task. Students watch the video at home and can then apply what they learned in the next lesson.

Asset type: Video
Language: English
Special Needs:

### Area of Rectangle - Counting Squares Method

https://youtu.be/DRg2VCo8lP0 Added: 12 May 2020 Contributor: PDST Resource type: Audio / Video / Reference

Khan Academy video investigating the area of a rectangle

SC Mathematics

#### How it maps to the curriculum

SC
Mathematics

Strand: 3. Number

Strand unit: 4. Length, Area & Volume

Suggestions for use: Reference, planning

Asset type: Video
Language: English
Special Needs:

### Area of a circle

https://youtu.be/ZyOhRgnFmIY Added: 12 May 2020 Contributor: PDST Resource type: Audio / Video / Reference

Khan Academy video on area of a circle

SC Mathematics

#### How it maps to the curriculum

SC
Mathematics

Strand: 3. Number

Strand unit: 4. Length, Area & Volume

Suggestions for use: Reference, Planning

Asset type: Video
Language: English
Special Needs:

### Understanding the Trapezoidal Rule

https://youtu.be/1p0NHR5w0Lc Added: 12 May 2020 Contributor: PDST Resource type: Audio / Video / Reference

Khan Academy Video explaining the trapezoidal rule

SC Mathematics

#### How it maps to the curriculum

SC
Mathematics

Strand: 3. Number

Strand unit: 4. Length, Area & Volume

Suggestions for use: Reference material

Asset type: Video
Language: English
Special Needs:

### Using the Trapezoidal Rule to Estimate the Area of a Semi-Circle

https://www.scoilnet.ie/pdst/maths/...ent/lc/lc-numbers/area/semi-circle/ Added: 09 Nov 2019 Contributor: PDST Resource type: Guide/notes / Simulation

GeoGebra file and student worksheet to find the area of a semi-circle.

SC Mathematics

#### How it maps to the curriculum

SC
Mathematics

Strand: 3. Number

Strand unit: 4. Length, Area & Volume

Asset type: Online Resource
Language: English
Special Needs:

### Area of a Rhombus

https://www.geogebra.org/m/acfbyxaw Added: 12 May 2020 Contributor: PDST Resource type: Simulation

GeoGebra file investigating how to find the area of a rhombus

SC Mathematics

#### How it maps to the curriculum

SC
Mathematics

Strand: 3. Number

Strand unit: 4. Length, Area & Volume

Suggestions for use: Investigating area

Asset type: Online Resource
Language: English
Special Needs:

### Area of a parallelogram

https://www.geogebra.org/m/D8rjsGzF Added: 12 May 2020 Contributor: PDST Resource type: Simulation

GeoGebra file investigating the area of a parallelogram

SC Mathematics

#### How it maps to the curriculum

SC
Mathematics

Strand: 3. Number

Strand unit: 4. Length, Area & Volume

Suggestions for use: Investigating area

Asset type: Online Resource
Language: English
Special Needs:

### Area of a polygon

https://www.geogebra.org/m/gvauh2qS Added: 12 May 2020 Contributor: PDST Resource type: Simulation

GeoGebra file investigating the area of a polygon

SC Mathematics

#### How it maps to the curriculum

SC
Mathematics

Strand: 3. Number

Strand unit: 4. Length, Area & Volume

Suggestions for use: Investigating area of a polygon

Asset type: Online Resource
Language: English
Special Needs:

### 2019 OL P1 Q5

SEC Exam Question

SC Mathematics

#### How it maps to the curriculum

SC
Mathematics

Strand: 3. Number

Strand unit: 4. Length, Area & Volume

Suggestions for use: Assessment

Asset type: Document
Language: English
Special Needs:

### 2019 FL Q8

SEC Exam Paper

SC Mathematics

#### How it maps to the curriculum

SC
Mathematics

Strand: 3. Number

Strand unit: 4. Length, Area & Volume

Suggestions for use: Assessment

Asset type: Document
Language: English
Special Needs:

### 2019 OL P1 Q5

SEC Exam Question

SC Mathematics

#### How it maps to the curriculum

SC
Mathematics

Strand: 3. Number

Strand unit: 4. Length, Area & Volume

Suggestions for use: Assessment

Asset type: Document
Language: English
Special Needs:

### 2018 FL Q8

SEC Exam Paper

SC Mathematics

#### How it maps to the curriculum

SC
Mathematics

Strand: 3. Number

Strand unit: 4. Length, Area & Volume

Suggestions for use: Assessment

Asset type: Document
Language: English
Special Needs:

### 20017 OL P1 Q5

SEC Exam Question

SC Mathematics

#### How it maps to the curriculum

SC
Mathematics

Strand: 3. Number

Strand unit: 4. Length, Area & Volume

Suggestions for use: Assessment

Asset type: Document
Language: English
Special Needs:

### 2017 FL Q1

SEC Exam Question

SC Mathematics

#### How it maps to the curriculum

SC
Mathematics

Strand: 3. Number

Strand unit: 4. Length, Area & Volume

Suggestions for use: Assessment

Asset type: Document
Language: English
Special Needs:

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