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WTF Maths
Australia
เข้าร่วมเมื่อ 10 ก.ค. 2020
Want the facts? Mathematics made simple.
How to find surface area (cones and pyramids)
Today we will learn how to find the surface area of cones and pyramids.
0:00 - Introduction
0:28 - Formula for a pyramid
0:54 - Example: surface area of a pyramid
1:21 - You try! (pyramid)
2:10 - Formula for a cone
2:52 - Example: surface area of a cone
3:29 - Example: Cone with Pythagoras theorem
4:12 - You try! (cone)
5:01 - Outro
#maths #area #surfacearea #Year11Applications
0:00 - Introduction
0:28 - Formula for a pyramid
0:54 - Example: surface area of a pyramid
1:21 - You try! (pyramid)
2:10 - Formula for a cone
2:52 - Example: surface area of a cone
3:29 - Example: Cone with Pythagoras theorem
4:12 - You try! (cone)
5:01 - Outro
#maths #area #surfacearea #Year11Applications
มุมมอง: 2
วีดีโอ
How to use surface area formulas
มุมมอง 87 ชั่วโมงที่ผ่านมา
Today we will learn formulas to help quickly find the surface area of common prisms. 0:00 - Introduction 0:29 - Rectangular prism formula 1:54 - Triangular prism formula 3:22 - Cylinder formula 4:55 - You try! 6:03 - Outro #maths #area #surfacearea #Year11Applications
How to find surface area (cylinders and sectors)
มุมมอง 1514 ชั่วโมงที่ผ่านมา
Today we will learn how to find the surface area of cylinders and sectors. 0:00 - Introduction 0:15 - What is a cylinder? 1:15 - Example 1 (cylinder) 2:06 - Example 2 (half cylinder) 3:45 - Example 3 (sector) 5:35 - Outro #maths #area #surfacearea #Year11Applications
How to find surface area (basic prisms)
มุมมอง 919 ชั่วโมงที่ผ่านมา
Today we will learn how to find the surface area of basic 3D objects. 0:00 - Introduction 0:26 - Example 1 (cube) 1:10 - Example 2 (rectangular prism) 2:43 - You try! (triangular prism) 3:52 - Outro #maths #area #surfacearea #Year11Applications
Solving inverse questions (area and perimeter)
มุมมอง 8วันที่ผ่านมา
Today we will learn how to answer questions that involve working backwards from an Area. 0:00 - Introduction 0:17 - Example 1 2:28 - Example 2 3:56 - Outro #maths #area #compositeshapes #Year11Applications
How to find area (composite problems)
มุมมอง 5วันที่ผ่านมา
Today we will learn how to find the area of composite shapes. 0:00 - Introduction 0:13 - Question 1: Easy 1:11 - Question 2: Medium 3:16 - Question 3: Hard 4:40 - Outro #maths #area #compositeshapes #Year11Applications
How to find perimeter (composite problems)
มุมมอง 1114 วันที่ผ่านมา
Today we will learn how to find the perimeter of composite shapes. 0:00 - Introduction 0:15 - Question 1: Easy 1:24 - Question 2: Medium 3:47 - Question 3: Hard! 6:14 - Outro #maths #perimeter #compositeshapes #Year11Applications
How to find area (composite shapes)
มุมมอง 2914 วันที่ผ่านมา
Today we will learn how to find the area of composite shapes. 0:00 - Introduction 0:18 - Adding example 1:08 - Subtracting example 2:02 - You try: Question 1 3:02 - You try: Question 2 3:59 - Outro #maths #area #Year11Applications #Compositearea
How to find area (special shapes)
มุมมอง 3714 วันที่ผ่านมา
Today we will learn how to find the area of special shapes 0:00 - Introduction 0:29 - Rhombus and Kite area 1:53 - Trapezium area 3:48 - Circle and sector area 4:50 - Outro #maths #area #Year11Applications #Areaofshapes
How to find area (basic shapes)
มุมมอง 4221 วันที่ผ่านมา
Today we will learn how to find the perimeter of a sector. 0:00 - Introduction 0:20 - What is area? 1:23 - Common area formula 2:21 - Example 1 3:07 - Example 2 3:35 - Outro #maths #area #Year11Applications #Areaofshapes
How to find the perimeter of sectors
มุมมอง 921 วันที่ผ่านมา
Today we will learn how to find the perimeter of a sector. 0:00 - Introduction 0:24 - Sector formula 0:52 - Example 1 2:05 - Example 2 3:09 - You try! 4:13 - Outro #maths #perimeter #sector #Year11Applications
How to find the perimeter
มุมมอง 2121 วันที่ผ่านมา
Today we will learn how to find the perimeter of basic shapes. 0:00 - Introduction 0:10 - Perimeter example 0:39 - Perimeter of shapes with missing sides 1:59 - Perimeter of circles 3:03 Outro #maths #perimeter #Year11Applications
Challenge questions (Pythagoras theorem)
มุมมอง 1828 วันที่ผ่านมา
Today we will learn how to answer Pythagoras theorem questions involving 3D shapes. 0:00 - Introduction 0:21 - Tricky question 1 2:27 - Tricky question 2 4:34 - Outro #maths #pythagorastheorem #Year11Applications
Solving 3D Pythagoras theorem problems
มุมมอง 145หลายเดือนก่อน
Today we will learn how to answer Pythagoras theorem questions involving 3D shapes. 0:00 - Introduction 0:14 - Triangles on 3D shapes 1:21 - Guided example 3:27 - You try! 5:04 - Outro #maths #pythagorastheorem #3Dproblems #Year11Applications
How to answer multi-step problems (Pythagoras theorem)
มุมมอง 35หลายเดือนก่อน
Today we will learn how to answer multi-step problems that involve Pythagoras theorem. 0:00 - Introduction 0:20 - Guided example 2:27 - Guided example 2 4:12 - Outro #maths #pythagorastheorem #multistepproblems #Year11Applications
How to answer worded questions (Pythagoras theorem)
มุมมอง 7หลายเดือนก่อน
How to answer worded questions (Pythagoras theorem)
How to find a missing shorter side (Pythagoras theorem)
มุมมอง 10หลายเดือนก่อน
How to find a missing shorter side (Pythagoras theorem)
How to find a missing hypotenuse (Pythagoras theorem)
มุมมอง 12หลายเดือนก่อน
How to find a missing hypotenuse (Pythagoras theorem)
Budgets: fixed, variable and discretionary expenses
มุมมอง 18หลายเดือนก่อน
Budgets: fixed, variable and discretionary expenses
Finding the best deal (Simple & Compound Interest)
มุมมอง 8หลายเดือนก่อน
Finding the best deal (Simple & Compound Interest)
Compound Interest missing variables (CLASSPAD)
มุมมอง 9หลายเดือนก่อน
Compound Interest missing variables (CLASSPAD)
CLASSPAD basics (in less than 11 minutes)
มุมมอง 19หลายเดือนก่อน
CLASSPAD basics (in less than 11 minutes)
How to use the Compound Interest formula
มุมมอง 6หลายเดือนก่อน
How to use the Compound Interest formula
Difference between Simple and Compound Interest?
มุมมอง 9หลายเดือนก่อน
Difference between Simple and Compound Interest?
Great video! 😃
Poor Sigma Chad! He should've watched the Classpad basics video first haha
Saved me ty