5 Th Grace Unit 1: Place Value And Powers Of 10 Understanding Pre-Assessment Page 2
ADVERTISEMENT
1
2
3
4Complete the number sentences below.
(Patterns in the number of zeros of the product when multiplying a number by powers of 10)
(Patterns in the placement of the decimal point when a decimal is multiplied or divided by a power of 10)
2
7. ____ x 10
= 2,500
3
8. ____ ÷ 10
= 0.016
9. 3.3 x _________ = 33,000
10. 4,500 ÷ _______ = 4.5
Write the missing power of ten in exponential form.
(Use whole-number exponents to denote powers of 10)
11.
___
78 x
= 78,000
12.
___
0.34 x
= 3400
13.
___
512 ÷
= 5.12
14.
How many times greater is the value of the digit 5 in 583,607 than the value of the digit 5
in 362,501?
(Understand the place value system)
A. 10 times
B. 100 times
C. 1,000 times
D. 10,000 times
15.
Explain why the decimal point appears to move when you multiply or divide a number by
a power of 10? Use examples from both multiplication and division in your explanation.
ADVERTISEMENT
0 votes
Related Articles
Related forms
Related Categories
Parent category: Education