Showing posts with label Maths. Show all posts
Showing posts with label Maths. Show all posts

Expanded and Compacted numbers...

In class we have been learning about expanding numbers.  If you want to work on your place value skills click here.  This will take you to a web site with place value activities.



What can you see...

Do you agree with all of these Inkflow boards?  What is the same…what is different?  Post your comments...













Our maths thinking...

The answer is 10…





What do you see?



Looking for circles....

What things did you find that measured 2 cm or less in diameter?  What did you find that measured 60 cm or more in diameter?


Hunting for circles...

We went round the school looking for circles.  We found lots of circles. We found a lock we thought it was 5cm but it was 4cm.  We found some nails we thought they were 0.5cm but it was really 1cm.

Then we went to the clock face centre, beside the scooter ramps.  We thought it was 5cm, but it was 13cm.  We looked at the tyres and we thought that they were 50cm, but they were 57cm.

Then we found a concrete circle we thought it was 30cm, but it was 31cm. Then there was a metal screw we found we thought it 2cm and we were right!




Finding Circles...

On Monday morning our teacher Miss K told our class to get into groups of three. We had to find circles and measure them. The smallest circle was a magnet. We guessed that it was 10cm, but we measured it and it was 4cm. The biggest circle we found was a circle on the court. We thought it was 24cm, but it was 92cm. We found 12 circles.


Measuring circles...

Today we went round the school measuring all sorts of things.  We were measuring the diameter of circles.  But we were using the wrong side of the tape measure, we were measuring in inches.  We had lots of fun running around the school.

                     

                                    

                        
   
                         

Measuring circles for maths...

Today we went outside to measure circles. The biggest circle we measured was a giant clock on the front court, we guessed 200cm but it was 304cm.  Our smallest circle we measured was a cupboard lock, we guessed 4cm but it was 5cm.




Measurement...

In school on Monday we did measurements.  We measured poles, tyres and heaps of other things round the school.


What is the diameter of a frisbee?

We thought the tyre was 63cm but it was 64cm.


What is the diameter of this frisbee?

Playing with Data!

Today we learnt about data. We noticed that there were more girls that were right handed, with brown eyes.  We had to keep on changing the data around because we wanted to see what was different about it.  We had to cut the data squares out and then we had to put them in order. We walked around to look at each others data.


Looking at our data squares...

Data stacked in piles, is this easy to read?
Data sorted on eye colour...
Multivariate data...sorted on eye colour, girl/boy, left handed/right handed.

House Designers

Today for maths we all had to draw a house with rulers, in cm.  We had to do the length and the height of the big rectangle for the house, the windows, doors and the roof.  I did my roof like it was a real kind of roof and it was the kind of roof that goes on big houses.  After that we got to do our own one, but I kinda did it the same because I did the same big flowers.  The colours were red, brown, light brown and green.  I drew a man with a key near the door knob.


Do you know your triangles?


Last term we learnt about different triangles using pretzels. You have to be fast with this game! How well did you do?  If you can't remember anything about triangles click on the label 'Isaac,' as he's posted information up about isosceles triangles, scalene triangles and equilateral triangles.


What size and weight?

Transformation - How good are your powers?

Angles - How good are your angles?



I made a pattern of shapes.  We had a square piece of paper and we had to cut one from the side and stick it onto the other side.  I could improve my pattern by having even spaces between each shape and using the whole piece of paper.

Fun with Tesselations


Tesselations are a patterns that repeat. We did puzzle pieces for the pattern because we thought it would be easy and look cool. We cut the shape out of one side of a square and moved it to the other side.  Then we did the same with the top. Click here if you want to make your own.









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