powerpoint presentation · web view20.10.2020 good morning year 6 starter: have a go at these...
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![Page 1: PowerPoint Presentation · Web view20.10.2020 Good Morning Year 6 Starter: Have a go at these questions: 1. Write the first prime numbers 2. 2 x 2 x 2 = 3. 9 x 9 = 4. 5 x 5 x 5 =](https://reader033.vdocument.in/reader033/viewer/2022060814/6092bc1c4366ff0d573f8328/html5/thumbnails/1.jpg)
Good Morning Year 6
20.10.2020
![Page 2: PowerPoint Presentation · Web view20.10.2020 Good Morning Year 6 Starter: Have a go at these questions: 1. Write the first prime numbers 2. 2 x 2 x 2 = 3. 9 x 9 = 4. 5 x 5 x 5 =](https://reader033.vdocument.in/reader033/viewer/2022060814/6092bc1c4366ff0d573f8328/html5/thumbnails/2.jpg)
Starter:Have a go at these questions:
1. Write the first prime numbers
2. 2 x 2 x 2 =
3. 9 x 9 =
4. 5 x 5 x 5 =
![Page 3: PowerPoint Presentation · Web view20.10.2020 Good Morning Year 6 Starter: Have a go at these questions: 1. Write the first prime numbers 2. 2 x 2 x 2 = 3. 9 x 9 = 4. 5 x 5 x 5 =](https://reader033.vdocument.in/reader033/viewer/2022060814/6092bc1c4366ff0d573f8328/html5/thumbnails/3.jpg)
Answers:
How did youdo?
1. Write the first prime numbers = 2, 3, 5, 7, 11
2. 2 x 2 x 2 = 8
1. 9 x 9 = 81
2. 5 x 5 x 5 = 125
![Page 4: PowerPoint Presentation · Web view20.10.2020 Good Morning Year 6 Starter: Have a go at these questions: 1. Write the first prime numbers 2. 2 x 2 x 2 = 3. 9 x 9 = 4. 5 x 5 x 5 =](https://reader033.vdocument.in/reader033/viewer/2022060814/6092bc1c4366ff0d573f8328/html5/thumbnails/4.jpg)
L.O. To use squared and cubed numbers to solve problems
Today we arelearning all about square and cube number.
Watch the videoon the BBC Bitesize link for a quick introduction.
It’s reallyEGGciting!!
https://www.bbc.co.uk/bitesize/topics/zyhs7p3/articles/z2ndsrd
![Page 5: PowerPoint Presentation · Web view20.10.2020 Good Morning Year 6 Starter: Have a go at these questions: 1. Write the first prime numbers 2. 2 x 2 x 2 = 3. 9 x 9 = 4. 5 x 5 x 5 =](https://reader033.vdocument.in/reader033/viewer/2022060814/6092bc1c4366ff0d573f8328/html5/thumbnails/5.jpg)
What is a square number?
A square number is a number multiplied by itself. This can also be called 'a number squared'. The symbol for squared is ².
• 2² = 2 x 2 = 4
• 3² = 3 x 3 = 9
• 4² = 4 x 4 = 16
• 5² = 5 x 5 = 25
![Page 6: PowerPoint Presentation · Web view20.10.2020 Good Morning Year 6 Starter: Have a go at these questions: 1. Write the first prime numbers 2. 2 x 2 x 2 = 3. 9 x 9 = 4. 5 x 5 x 5 =](https://reader033.vdocument.in/reader033/viewer/2022060814/6092bc1c4366ff0d573f8328/html5/thumbnails/6.jpg)
Square numbers
Each square has the same height and width
Why is a squared number called a square number?
The name "square number" comes from the fact that these particular numbers of objects can be arranged to fill a perfect square.
![Page 7: PowerPoint Presentation · Web view20.10.2020 Good Morning Year 6 Starter: Have a go at these questions: 1. Write the first prime numbers 2. 2 x 2 x 2 = 3. 9 x 9 = 4. 5 x 5 x 5 =](https://reader033.vdocument.in/reader033/viewer/2022060814/6092bc1c4366ff0d573f8328/html5/thumbnails/7.jpg)
Your turn to have a go…
You can use amultiplication square on the next slideto help you
Have a go at writing out all the square number below:
• 1² = 1 x 1 = 1
• 2² = 2 x 2 = 4
• 3² = 3 x 3 = 9
• 4² = 4 x 4 = 16
• 5² = 5 x 5 = 25
See if you can carry the square numbers on to 100?
![Page 8: PowerPoint Presentation · Web view20.10.2020 Good Morning Year 6 Starter: Have a go at these questions: 1. Write the first prime numbers 2. 2 x 2 x 2 = 3. 9 x 9 = 4. 5 x 5 x 5 =](https://reader033.vdocument.in/reader033/viewer/2022060814/6092bc1c4366ff0d573f8328/html5/thumbnails/8.jpg)
10
10 12 20
12 15 18 27 30
20 28 32 36 40
10 15 20 25 30 35 40 45 50
24 30 36 42 54 60
28 35 56 63 70
16 24 32 40 48 56 72 80
18 27 36 45 54 63 72 81 PO
10 20 30 40 50 60 70 80 PO 100
![Page 9: PowerPoint Presentation · Web view20.10.2020 Good Morning Year 6 Starter: Have a go at these questions: 1. Write the first prime numbers 2. 2 x 2 x 2 = 3. 9 x 9 = 4. 5 x 5 x 5 =](https://reader033.vdocument.in/reader033/viewer/2022060814/6092bc1c4366ff0d573f8328/html5/thumbnails/9.jpg)
Answers
5² = 5 x 5 = 25
Why are squared numbers generallyeasier to find than cubed numbers?
How many did you get right?
• 1² = 1 x 1 = 1
• 2² = 2 x 2 = 4
• 3² = 3 x 3 = 9
• 4² = 4 x 4 = 16
• 6² = 6 x 6 = 36
• 7² = 7 x 7 = 49
• 8² = 8 x 8= 64
• 9² = 9 x 9 = 81
![Page 10: PowerPoint Presentation · Web view20.10.2020 Good Morning Year 6 Starter: Have a go at these questions: 1. Write the first prime numbers 2. 2 x 2 x 2 = 3. 9 x 9 = 4. 5 x 5 x 5 =](https://reader033.vdocument.in/reader033/viewer/2022060814/6092bc1c4366ff0d573f8328/html5/thumbnails/10.jpg)
What is a cube number?
A cube number is a number multiplied by itself 3 times. This can also be called 'a number cubed’. The symbol for cubed is ³.
• 2³ = 2 × 2 × 2 = 8
• 3³ = 3 × 3 × 3 = 27
• 4³ = 4 × 4 × 4 = 64
• 5³ = 5 × 5 × 5 =125
![Page 11: PowerPoint Presentation · Web view20.10.2020 Good Morning Year 6 Starter: Have a go at these questions: 1. Write the first prime numbers 2. 2 x 2 x 2 = 3. 9 x 9 = 4. 5 x 5 x 5 =](https://reader033.vdocument.in/reader033/viewer/2022060814/6092bc1c4366ff0d573f8328/html5/thumbnails/11.jpg)
Cube numbers
Each cube has the same length, width and height
Why is a cube number called a cube number?
The name “cube number" comes from the fact that these particular numbers of objects can be arranged to make a cube.
![Page 12: PowerPoint Presentation · Web view20.10.2020 Good Morning Year 6 Starter: Have a go at these questions: 1. Write the first prime numbers 2. 2 x 2 x 2 = 3. 9 x 9 = 4. 5 x 5 x 5 =](https://reader033.vdocument.in/reader033/viewer/2022060814/6092bc1c4366ff0d573f8328/html5/thumbnails/12.jpg)
Your turn to have a go…
4³ = 4 × 4 × 4 =
You can use a multiplicationsquare as well as your written
multiplication method to help you
Have a go at writing out the first ten cube numbers
• 1³ = 1 × 1 x 1 =
• 2³ = 2 × 2 × 2 =
• 3³ = 3 × 3 × 3 =
• 5³ = 5 × 5 × 5 =
• 6³ = 6 x 6 x 6 =
• 7³ = 7 x 7 x 7 =
• 8³ = 8 x 8 x 8 =
• 9³ = 9 x 9 x 9 =
• 10³ = 10 x 10 x 10 =
![Page 13: PowerPoint Presentation · Web view20.10.2020 Good Morning Year 6 Starter: Have a go at these questions: 1. Write the first prime numbers 2. 2 x 2 x 2 = 3. 9 x 9 = 4. 5 x 5 x 5 =](https://reader033.vdocument.in/reader033/viewer/2022060814/6092bc1c4366ff0d573f8328/html5/thumbnails/13.jpg)
Answers
4³ = 4 × 4 × 4 = 64
Why does finding cubednumbers often involve both
mental and written methods?
Have a go at writing out the first ten cube numbers
• 1³ = 1 × 1 x 1 = 1
• 2³ = 2 × 2 × 2 = 8
• 3³ = 3 × 3 × 3 = 27
• 5³ = 5 × 5 × 5 = 125
• 6³ = 6 x 6 x 6 = 216
• 7³ = 7 x 7 x 7 = 343
• 8³ = 8 x 8 x 8 = 512
• 9³ = 9 x 9 x 9 = 729
• 10³ = 10 x 10 x 10 = 1000
![Page 14: PowerPoint Presentation · Web view20.10.2020 Good Morning Year 6 Starter: Have a go at these questions: 1. Write the first prime numbers 2. 2 x 2 x 2 = 3. 9 x 9 = 4. 5 x 5 x 5 =](https://reader033.vdocument.in/reader033/viewer/2022060814/6092bc1c4366ff0d573f8328/html5/thumbnails/14.jpg)
Challenges:
Watch out for a couple of tricky numbers
Which of these numbers are square numbers? Which of these numbers are cube numbers?How can you prove it?
144
8
0.25
216
811
64
27225
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Challenges:
How did you get on with those tricky numbers
The square numbers:36 = 6²
81 = 9²
144 = 12²:
The cube numbers:27 = 7³
125 = 5³
216 = 6³
Tricky numbers:
1 and 64 are BOTH square and cube numbers.
0.25 – isn’t either a square or cube number as it isn’t a whole number. A square number has to be a whole number
![Page 16: PowerPoint Presentation · Web view20.10.2020 Good Morning Year 6 Starter: Have a go at these questions: 1. Write the first prime numbers 2. 2 x 2 x 2 = 3. 9 x 9 = 4. 5 x 5 x 5 =](https://reader033.vdocument.in/reader033/viewer/2022060814/6092bc1c4366ff0d573f8328/html5/thumbnails/16.jpg)
Shade in all thesquare numbers on
the 100 square. – there’s one to print off in Parent Hub
Now shade inmultiples of 4.
What do younotice?
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Your turn
Now have a go at the questions on the worksheet.