Categoría: 2ºESO Maths

Two sets of stories:

Astronauts! Percentages 

Madwoman Curie! Percentages 

 

 

Hi, today we start with a little anonymous survey:

0. Autoevaluación matemáticas 2º ESO, 1ª Evaluación: Rellenar formulario

 

1. Now it’s time to try a new game:

 

https://mattjmattj.github.io/4096/

 

2. And now some mental calculations about percentages:

https://www.matematicasvisuales.com/html/mental/calculo/porcentajes.html

3. Speed mental calculations:

https://www.geogebra.org/m/AsMKtWd4#material/hxcdd8gs

Hi, today we start as usual:

1. https://chemarias.com/cm/tabla/index.html. Three attempts and one screenshot.

And the game:

2. Unflip

Take a screenshot at the end of this part.

3. Some percentages: https://www.geogebra.org/m/AsMKtWd4#material/t6TF5YmW

4. More on that: https://www.geogebra.org/m/AsMKtWd4#material/uMt2C6EU

5. And some more: https://www.geogebra.org/m/AsMKtWd4#material/yebe26ys

 

 

6. And a couple of videos:

 

 

 

 

 

Today we start a bit differently, with a game:

1. Unflip

Take a screenshot at the end of this part.

And another one:

2. MathHeads | A Fun Mental Maths Game

Same thing, send me a screenshot.

Now it´s time for some Cayetano problems:

3. Proporcionalidad Directa e inversa. Regla de Tres – GeoGebra

4. Proporcionalidad Compuesta – GeoGebra

Some exercises for next week:

Proportions

 

 

 

Hi, today we start as usual:

1. https://chemarias.com/cm/tabla/index.html. Three attempts and one screenshot.

2. https://mathster.com/10secondsmaths/ . Use the operations + – * /. Five minutes and one screenshot.

 

But continue as follows:

 

 

5. Exercises from this pdf (Answer in your notebook):

Page 315: 1 to 4

Page 316: 5 t0 9

Page 317: 11 to 15

Page 318: 16 to 25

Pages 321 and 322: 60, 61 and 62, 67, 68 and 69.

 

https://www.ncert.nic.in/pdf/publication/exemplarproblem/classVIII/mathematics/heep210.pdf

 

And now, some liveworksheets:

 

6. Direct Proporti… | Free Interactive Worksheets | 1854770

7. https://www.liveworksheets.com/worksheet/en/math/1665090

Bonus videos:

 

 

 

 

 

Hi, today we start as usual:

1. https://chemarias.com/cm/tabla/index.html. Three attempts and one screenshot.

2. https://mathster.com/10secondsmaths/ . Use the operations + – * /. Five minutes and one screenshot.

 

But continue as follows:

 

 

5. Exercises from this pdf (Answer in your notebook):

Page 315: 1 to 4

Page 316: 5 t0 9

Page 317: 11 to 15

Page 318: 16 to 25

Pages 321 and 322: 60, 61 and 62, 67, 68 and 69.

 

https://www.ncert.nic.in/pdf/publication/exemplarproblem/classVIII/mathematics/heep210.pdf

 

And now, some liveworksheets:

 

6. Direct Proporti… | Free Interactive Worksheets | 1854770

7. https://www.liveworksheets.com/worksheet/en/math/1665090

Bonus videos:

 

 

 

Hi, today we start as usual, but only with this one:

1. https://chemarias.com/cm/tabla/index.html. Three attempts and one screenshot.

 

Today we start a new unit, proporcionality, in which the most important concepts are ratios and proportions. Here you have an article about them:

Ratio and Proportion in Math

But we are going to use this clasroom to learn a bit about that with the help of  Javier Cayetano:

• 2. Razón y proporción. Jugamos con los conceptos básicos – GeoGebra

Next one, the rule of three. First an explanation:

Rule of Three is a Mathematical Rule that allows you to solve problems based on proportions

And now, some exercises:

• 3. Proporcionalidad directa. Regla de Tres – GeoGebra

Percentages are an special case of proporcionality, quite common. Some exercises:

• 4. Calcula el porcentaje… – GeoGebra
• 5. ¿Cuánto es ese porcentaje? – GeoGebra

 

 

 

Mr. Al-Geebrah’s Fractions Math Story – Mr. R.’s World of Math

And more things:

Junior Kangaroo

.

Hi, today we start as usual, I’ve seen some progress…

 

1. https://chemarias.com/cm/tabla/index.html. Three attempts and one screenshot.

2. https://mathster.com/10secondsmaths/ . Use the operations + – * /. Five minutes and one screenshot.

And then, the moment you were waiting for (J. Cayetano). 6 or 7 minutes each and don’t forget to send me screenshots.

3. One page to review the conversion thing:

https://www.geogebra.org/m/AsMKtWd4#material/UTEUv6zD

4. Finding how much is a part of a number:

https://www.geogebra.org/m/AsMKtWd4#material/DQYgb3g7

5. Finding the fraction:

https://www.geogebra.org/m/AsMKtWd4#material/h5vUPP28

6. And lastly, finding the total:

https://www.geogebra.org/m/AsMKtWd4#material/mK6jHHby

 

Bonus video:

 

 

 

 

And the story of Hippasus