lo: i am learning how to round numbers to the nearest whole, 10, … · 2021. 1. 8. · rounding...
TRANSCRIPT
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Rounding loop.notebook
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January 07, 2021
LO: I am learning how to round numbers to the nearest whole, 10, 100,
1000, 10,000, 100,000 up to 10,000,000 and to two decimal places
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January 07, 2021
Place these numbers in order on a number line:
920 625 50 830
0 100 200 300400 500600700800 9001,000
Which number is closest to 1,000?
Which number is furthest away from 1,000
I do:
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Rounding loop.notebook
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January 07, 2021
Place these numbers in order on a number line:
920 625 50 830
0 100 200 300400 500600700800 9001,000
Which number is closest to 1,000? 920
Which number is furthest away from 1,000 50
I do:
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January 07, 2021
Place these numbers in order on a number line:
383
0 100 200 300 400 500 600 700 800 900 1,000
Which number is closest to 100?
Which number is furthest away from 100?
WTS 1
730 192 927
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January 07, 2021
Place these numbers in order on a number line:
275 310
0 100 200 300 400 500 600 700 800 900 1,000
Which number is closest to 500?
Which number is furthest away from 500?
WTS 1 Practise
620 50
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January 07, 2021
WTS 2 I do:
Round 292,384
to the nearest 10
to the neatest 1,000
to the nearest 100,000
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January 07, 2021
WTS 2 I do:
Round 292,384
to the nearest 10
to the neatest 1,000
to the nearest 100,000
292,380
292,000
300,000
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January 07, 2021
WTS 2
Round 1,384,294
to the nearest 10
to the neatest 10,000
to the nearest 1,000,000
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January 07, 2021
WTS 2 Practice
Round 4,394,294
to the nearest 10
to the neatest 10,000
to the nearest 1,000,000
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January 07, 2021
WTS 3 I do:
Which number is closest to 600? Explain how you know
542 642
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January 07, 2021
WTS 3 I do:
Which number is closest to 600? Explain how you know
542 642
642
The 4 digit means we would round down to 600.
For the 542, if I rounded using the 4 digit it would round down to 500.
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January 07, 2021
WTS 3:
Which number is closest to 3,000? Explain how you know.
2202 3452
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January 07, 2021
WTS 3: Practise
Which number is closest to 9,000? Explain how you know.
8722 10,293
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January 07, 2021
WTS 4 I do:
Estimate the height on the sunflower on Mon 29th:
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January 07, 2021
WTS 4 I do:
Estimate the height on the sunflower on Mon 29th: 19
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January 07, 2021
WTS 4:
Look at Sunflower 1Round the height of sun flower 2 in week 4 to the nearest 10
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January 07, 2021
WTS 4 Practise:
Look at Sunflower 1
Round the height of sun flower 1 in week 2 to the nearest 10
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January 07, 2021
WTS 5 I do:
Grog, picks two of these cards and adds them together. When he rounds his number to the
nearest 10 his answer is 30. Which two did he use? Prove it.
11 6 18 2
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January 07, 2021
WTS 5 I do:
Grog, picks two of these cards and adds them together. When he rounds his number to the
nearest 10 his answer is 30. Which two did he use? Prove it.
11 6 18 2
18 + 11 = 29rounded to 30
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January 07, 2021
When added together and then rounded to the nearest 100, two of these numbers make 300. Which two? Prove it?
WTS 5:
74 110 220 10 301
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January 07, 2021
When added together and then rounded to the nearest 100, two of these numbers make 600. Which two? Prove it?
WTS 5 practise :
90 710 340 222 290
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January 07, 2021
WTS 6 I do
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January 07, 2021
WTS 6 I do (questions on next page)
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January 07, 2021
a) What is the average rainfall in Borneo Rainforest in August rounded to he nearest 10?
b) Grog think the average rainall in the Amazon rain forest in May rounded to the nearest 100 is 100 mm. Do you agree? Why?
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January 07, 2021
WTS 6:
a) Round the average rain fall of Borneo rain forest in January to the nearest 100
b) Grog rounded the average rain fall of the Amazon rain forest in April to the closest 100. His answer was 200. Is he correct? Prove it.
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January 07, 2021
WTS 6 practise :
a) Round the average rain fall of Borneo rain forest in September to the nearest 1000
b) Grog rounded the average rain fall of the Amazon rain forest in October to the nearest 100. His answer was 300. Is he correct? Prove it.
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January 07, 2021
EXS 1:
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January 07, 2021
EXS 2:
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January 07, 2021
EXS 3:
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January 07, 2021
EXS 4:
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January 07, 2021
EXS 5:
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January 07, 2021
EXS 6:
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January 07, 2021
Write three possible numbers Dev could have started with.
GDS 1
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