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Date __________
6-3 Practice Circle your answers.
Tell whether the rational number is a reasonable approximation of
the square root.
1.
277
,
160
3
2.
590
,
160
17
Tell whether the number is rational or irrational. Explain.
3. 
4. 1.3
14
6. 4
5. 2.375
Estimate the nearest integer.
7.
9. 
33
8.
8
10.
630
7
2
Which number is greater? Explain.
11.
70, 8
13.
210, 16
12. 
1
4
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14.
16, 3
4 3
,
25 10
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219
15. Find a number a such that 2 
a  3.
16. Is
1
a rational number? Explain.
9
17. Is
5
a rational number? Explain.
9
18. Is
2
a rational number? Explain.
18
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Name_________________________________________________________
Date __________
6-3 Practice Circle your answers.
Tell whether the rational number is a reasonable approximation of the
square root.
1.
2999
,
490
41
2.
2298
,
490
22
Tell whether the number is rational or irrational. Explain.
3. 2
2
9
4. 2  3
5. 2.41
6.
130
8.
395
10.
1.48
Estimate the nearest integer.
7. 
250
9
Estimate to the nearest tenth.
9.
0.79
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221
Which number is greater? Explain.
11.
220, 14
13.
7 3
,
64 8
3
4
15. Find two numbers a and b such that 7 
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12. 
135,  145
14.  0.25, 
a 
1
4
b  8.
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All rights reserved.