Comparing Decimals
20.21 _______ 20.56
(greater than, less than or equal to)
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78 rounded to the nearest tens
80
Write 143.2 in word form
One hundred forty three and two tenths
Write 10 to the power of 5 in standard form
100,000
2 meters = ______ centimeters
200
16.45 ________ 16.454
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5.6 rounded to the nearest ones
6
Write 156.22 in word form
One hundred fifty six and twenty two hundredths
800 divided by 103
.8 (8 tenths)
1.68 meters = ________ centimeters
168 centimeters
123.45 _______ 123.54
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2.99 rounded to the nearest tenths
3.0
Write 21.3 in word form
2 tens, 1 one, 3 tenths
2.16 multiplied by 104
21,600
40 millimeters = _________ meters
0.04 meters
Five ones and eight tenths _____ (5 X 1) + (8 X 0.1)
2.345 rounded to the nearest hundredths
2.35
Write 0.642 in unit form
6 tenths, 4 hundredths, 2 thousandths
Write in exponential form:
100 x 10
103
Priscilla converted 3 meters to 30,000 mm. Is she correct? Why or why not? Write an equation with an exponent to explain your answer.
She is wrong. 3 x 103 = 3,000
In a paper airplane contest, Marcel's plane travel 3.345 meters. Salvador plane travels 3.35 meters. Whose plane traveled the farthest?
Salvador
Mrs. Balde said she ran 1.549 miles. Mc McGoldrick said she ran 1.544 miles. Ms. Streeter rounded to the nearest hundredth and said they both ran 1.55 miles. Is Ms. Streeter correct? Why or why not?
Ms. Streeter is wrong
(3 x 100) + (6 x 10) + (3 x 1) + (3 x 0.1) + (5 x 0.01) + (9 x 0.001)
Shaunnie missed the lesson on exponents. Shaunnie incorrectly wrote 105 = 50 on her paper. What mistake did she make? What is the right answer?
The length of the bar for a high jump competition must always be 4.75 meters. Express this measurement in millimeters. Explain your thinking. Include an equation with an exponent in your explanation.
4.75 meters x 103= 4,750 millimeters