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Number - Place Value

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by

James Hollingsworth

on 3 June 2015

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Transcript of Number - Place Value

Number - Place Value
Detail 1
Detail 2
Detail 3
Detail 4
Use the four processes (
+ - x /
) to make:


Maths Essential Agreement
Spend your time wisely
Try your best - take pride in what you do
Focus on your learning
Be focused
Have a positive attitude towards your learning
listen carefully to instructions
Be confident
and have fun
How can I build numbers to 10,000
How much are the digits worth?
752
1967
1032
43506
76
70
6
T
U
5604
seventy six
1
2
3
8

Can you:
tell me the value of each digit?
Write each number in words?
Order the first 5 numbers from biggest to smallest?
Write down 3 tips for ordering numbers
Round each number to the nearest 10
Explain when you might need to use your knowledge of place value outside of school.
One thousand nine hundred and sixty seven
7
60
900
1000
8000
300
20
1
eight thousand three hundred and twenty one
How can I compare numbers
23
127
132
32
12
13
43
strategies for identifying greater/ smaller numbers
roll the place value dice
write both numbers into your book
use the correct symbol to show which number is greater/ smaller
write the number sentence in words underneath
Repeat
Order these numbers form smallest to biggest
Look at the 10s - if they are the same you look at units
Start from the left when comparing numbers
Count up to find the difference

1213
1867
Write out the number sentence to show which number is larger
1
2
Place both numbers on a number line and write 2 numbers which would fall inbetween
765
23
127
132
32
12
13
43
765
Pick three pairs of numbers and compare them using <> symbols
1350
1506

How can we order and compare numbers
comparing and ordering 2 and 3 digit numbers
comparing and ordering 3 and 4 digit numbers
comparing and ordering 4 and 5 digit numbers
124
175
124
175
Write down all of the number bonds to 10 & 20
5 + 5
130
166
Explain the pattern that you notice
Rounding to 100
What 3 things must we remember when rounding to the nearest 10?
Revision session
Can you:
Write a 3, 4, 5, and 6 digit number using numbers and words,
Partition a 3, 4, 5 digit number into Th/H/T/U
Round a 3, 4, 5 digit number to the nearest 10/100/1000
Pick 5 numbers larger than 500 and write them in order
Think of a time when it would be helpful to round numbers to the nearest 10. (not in a maths lesson!)
Q - How can we show our knowledge of place value
Think of 5 other areas of maths where our knowledge of place value can help us. Explain your ideas.
I think knowing place value will help me when I need to learn about partitioning because
15
356
Work with a partner to create numbers for them. Make sure you challenge them.
Write 5 Numbers for your partner and ask them to put them in order.
Place value helps us to organise our lives.
How can we develop our understanding of the place value system?
Prompt
How can we ask good questions?
think of some questions
improve the questions
rank the questions
Reflect on the questions
Everybody is different
close the open questions
open the closed questions
which is the most important question? Why?
do these questions help us to find out more?
should we ask any other questions?
Place Value helps us to organise our lives
100-85
60 / 4
120 / 8
5 x 3
2 x 8 - 1
13+50+100=163-20=143-128=15
100/10x2+1-6=15
30x2-30-15=15
Create a presentation to explain your answer to 2 or 3 of your inquiry questions.
Everybody must answer question number 1.
Your Task…

Investigate what happens when you round numbers.

How do we round numbers to 10/ 100/1000?

When might we use this skill?

Does anything change when you begin to round larger numbers?

Are there any numbers that we do not need to round?


Create an explanation to help somebody in Year 1, 2 or 3 have a better understanding of Rounding.
Q - What rules do we have to follow when we round a number.
Full transcript