Exponents
Expanded Form
Comparing Decimals
Rounding Decimals
Place Relationships
100
102 = ?
100
100
Write the value below in standard form.
600 + 30 + 9
639
100
Which is greater?
3.2 or 0.32
3.2
100
Round the number below to the nearest tenths place.
5.623
5.6
100
300 is ___ times greater than 3
100
200
Write the following expression using an exponent
10 x 10 x 10 x 10
104
200
Write the number below in expanded form.
532
500 + 30 + 2
or
(5 x 102) +(3 x 101) +(2 x 100)
200
Which is greater?
5.044 or 5.2
Explain
5.2 - Both numbers have the same digit in the ones place, but 5.2 has more tenths than 5.044
200
Round the number below to the nearest hundredths place.
40.985
40.99
200
Write the number below in number name form.
3.401
Three and four hundred one thousandths
300
106 = ?
1,000,000
300
Write the number below in expanded form using exponents.
1,407
(1 x 103) +(4 x 102) +(7 x 100) =
300
Is this comparison true or false? Explain.
5.9 < 5.899
False. 5.9 can also be written as 5.900, which shows greater thousandths. Additionally, 9 tenths is greater than 8 tenths.
300
Round the number below to the nearest whole number.
568.209
568
300
What decimal AND fraction represent this grid?
0.71, 71/100
400
Which is greater?
102 or 10 x 2
Be prepared to explain
102 because it equals 100, where 10 x 2 equals 20.
400
Write the value of the number below in standard form.(2 x 103) + (4 x 100) + (7 x 1/10) + (6 x 1/100)
2,004.76
400
Use a symbol to compare 63.478 and 63.784
63.478 < 63.784
400
Mrs. Lawson said to round 56.781 to the nearest tenth. Marco said it would be 56.78. Polo said it would be 56.8. Who is correct and why?
Polo is correct because the tenths place is the first digit to the right of the decimal. It was a 7, but the 8 in the hundredths place was a clue to round up.
400
6.2 is 10 times greater than ___________
0.62
500
100 = ?
1
500
Write the number below in expanded form.
987.51
(9 x 102) +(8 x 101) +(7 x 100) +(5 x 1/10) +(5 x 1/100)
500
Krumpet weighs 8.1 pounds, and Cleo weighs 8.099 pounds. Who weighs more? Explain.
Krumpet! Because they have the same digit in the ones place, but Krumpet has a greater digit in the tenths place.
500
In April, we got 45.2 inches of rain. In May, we got 44.6 inches of rain. When rounded to the nearest whole number, which month recorded more rain?
They recorded equal amounts of rain!
500
______ is 1/10 of 0.9
(Hint: Am I looking for a greater or a lesser value?)
0.09