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Rounding Off Numbers
Correct Answers:
A. Round off each number to its greatest place value. Fill in the blank with the correct answer.
1.
 67  
2.
278  
3.
842  
4.
135  
5.
596  
B. Round off each factor as needed. Fill in the boxes with the rounded-off value. Then fill in the blank with the estimated product.
6.
72⇒
×8⇒×
7.
89⇒
×72⇒×
8.
62⇒
×33⇒×
9.
54⇒
×98⇒×