Rounding to a required degree of accuracy
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Lesson details
Key learning points
- In this lesson, we will consider why estimates and rounding might be useful. We will explore rounding 7-digit numbers to the nearest multiple of 100,000 with varying degrees of accuracy.
Licence
This content is made available by Oak National Academy Limited and its partners and licensed under Oak’s terms & conditions (Collection 1), except where otherwise stated.
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5 Questions
Q1.
300 tens is equal to 3 thousands
False
Q2.
7 460 400 is one hundred thousand larger than 7 450 400
True
Q3.
Any number with a 2 in the millions place and a 6 in the hundred thousands place will be greater than 2 580 900
False
Q4.
Which expression is correct?
1,000, 522 <100,522
3,684,526 < 2,684,526
52,000 > 72,999
Q5.
Which expression is incorrect?
1,000, 000 > 100,009
9,998,231 > 9,99, 231
Three million = 3,000,000
5 Questions
Q1.
Round the number 8,478,365 to the nearest 100,000
8,400,000
8,470,000
8,480,000
Q2.
Round the number 1,962,354 to the nearest 100,000.
1,000,000
1,800,000
1,900,000
Q3.
Round the number 9,571,354 to the nearest 10,000.
9,500,000
9,580,000
9,600,000
Q4.
Round the number 4,838,646 to the nearest 10,000.
4,800,000
4,830,000
4,900,000
Q5.
Round the number 6,232,119 to the nearest 10,000.
6,200,000
6,240,000
6,300,000