Round About

 

I’m 9 years old . . . well almost. I’ll be 9 next month. That means I’m just about 9.

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Just about means close to or almost.

These are words and phrases we use every day.

It is just about 3:00.
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Look at this cool skateboard. It costs close to $50.

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We can decide what is just about or close to or almost by using a number line.

11  12  13  14  15  16   17  18  19  20

Look at the number line, then click the closest ten.
14 is closer to 10 or 20
17 is just about 10 or 20
 

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15 is right in the middle between 10 and 20.
* Rule - 5 goes up.*
15 has a 5 so we say it is closer to 20.
10 11 12 13 14 15 16 17 18 19 20
Is 15 closer to 10 or 20 ?
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40 41 42 43 44 45 46 47 48 49 50

47 is closer to 40 or 50

41 is closer to 40 or 50

45 is closer to 40 or 50

43 is closer to 40 or 50

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80 81 82 83 84 85 86 87 88 89 90
A math word that means closer to is round.

When we round a
number, we  look for what it is closer to.

Round these numerals to the nearest ten.

82 rounds to 80 or 90

84 rounds to 80 or 90

88 rounds to 80 or 90

89 rounds to 80 or 90

85 rounds to 80 or 90

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0 1 2 3 4 5 6 7 8 9 10
Round to the nearest ten.

9 rounds to 0 or 10

3 rounds to 0 or 10

4 rounds to 0 or 10

6 rounds to 0 or 10

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Round these numbers to the nearest ten.  

Type your answer in the space.

47 rounds to  

63 rounds to  

8 rounds to  

94 rounds to  

89 rounds to       
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Rounding to the nearest hundred is done the same way as rounding to the nearest ten.

Look at the number line.  Which hundred is closest to the number?

100  110  120  130  140  150  160  170   180  190  200

Round 140 to  
Round 182 to  
Round 126 to  
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Rounding numbers has made me hungry!

I hope it’s just about time to eat.

I’m close to starving!

 

 

YUM!
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