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Lansdowne

Primary School

Relationships. Wellbeing. Achievement.

Maths Lesson Monday 4th May

Estimating

 

Warm Up -  Play 'Tell me about my number'. I have written a number below and I would like you to tell me as many facts about this number.

 

Helpful hints - Think about place value, multiples, rounding to the nearest 10 or 100, fractions etc.

 

Your number is...

756

 

Main Lesson - Today we are going to look at estimating.

 

Q - What is estimating?

Q - Can you think of another word that means the same as estimating?

 

Look at the estimation powerpoint below -

Making an estimation isn't finding the exact answer but roughly finding the answer or judging a number or value by making a sensible guess.

 

For your activity today I would like you to estimate the amount of items of things you can find around your house. I will write a list of possible things for you to estimate but you can add your own or change them if you like.

 

In your books I would like you to draw a table like the one below.

Item Estimation Round to the nearest 10 Actual amount
Story books      
Spoons      
Teddy bears      
Shoes      
       
       
       
       

 

You firstly need to estimate how many you think are there without counting! 

Write your estimation in the column.

Next you need to round your answer up or down to the nearest 10 e.g. if you estimated 23 story books you would round down to 20.

Finally count how many items were actually there. How close was your estimate?

 

Have fun estimating! laugh Don't forget to email a copy of your work to your class teacheryes

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