How do you round 42,783 to the nearest thousand? 4 2, 7 8 3 l l l l l l l l l l l 42,783 42,000...
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Transcript of How do you round 42,783 to the nearest thousand? 4 2, 7 8 3 l l l l l l l l l l l 42,783 42,000...
How do you round 42,783 to the nearest thousand?
4 2 , 7 8 3
l l l l l l l l l l l42,78342,000 43,000
In this lesson you will learn how to use a number line to round numbers to a specified
place within a number.
Let’s ReviewLet’s Review
l l l l l l l l l l l783700 800
Benchmark Numbers
Midpoint
750
Let’s ReviewLet’s Review
l l l l l l l l l l l
5000 60005500
5000 6000
55005001 - 5499 5500 - 5999
Let’s ReviewA Common Mistake
Thinking that the increments on a number line always signify counting by
ones.
l l l l l l l l l 300 400 310 320 330 340 350 360 370 380 390
Let’s ReviewA Common Mistake
Misapplying the concept of “rounding down”.
For example:4,392 = 3,3924,392 = 4,000
Let’s ReviewCore Lesson
Round 42,783 to the nearest hundred.
4 2 , 7 8 3
l l l l l l l l l l l
42,700 42,800
The number rounds up.
Let’s ReviewCore Lesson
Round 42,783 to the nearest ten.
4 2 , 7 8 3
l l l l l l l l l l l
42,780 42,790
The number rounds down.
Let’s ReviewCore Lesson
Round 365,721 to the nearest ten thousand.
3 6 5 , 7 2 1
l l l l l l l l l l l
360,000 370,000
The number rounds up.
In this lesson you have learned how to use a number line to round numbers to a specified
place within a number.
Let’s ReviewGuided Practice
Round 28,578 to the nearest thousand.
Let’s ReviewExtension Activities
In your math journal round 684,528 in multiple ways. Round to the nearest hundred thousand, ten thousand, thousand, hundred, and ten.
Let’s ReviewExtension Activities
Search the newspaper or a magazine for a variety of numbers. Cut out each number and glue them to a piece of paper. Round each number to a variety of places.
For example:
72,468 =
70,00072,00072,50072,470
Let’s ReviewQuick Quiz
Round 1,704,352 to the nearest thousand.
Let’s ReviewQuick Quiz
Round 265,098 to the nearest ten thousand.