Ordering Decimals
Place these decimals on a number line.
8.5 8.65 8.72 8.05
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Compare the following decimals using <,>, or =.
23.425 23.452
23.425<23.452
Which digit is in the tenths place?
23.98
The 9
Compare the 9 in each number.
298.77 289.77
The 9 in 298.77 is ten times larger than the 9 in 289.77
Round 65.23 to the nearest tenth.
65.2
Put these decimals in order from greatest to least.
0.32 5.44 3.27 7.69
7.69 5.44 3.27 0.32
Compare the following decimals using <,>, or =.
45.2 45.200
45.2=45.200
346.987
The 8.
Compare the value of the 3 in each number.
34.67 67.34
The 3 in 34.67 is 100 times greater than the 3 in 67.34.
Round 87.985 to the nearest hundredth.
87.99
Place these decimals in order from least to greatest.
5.67 6.32 4.55 9.76
4.55 5.67 6.32 9.76
Compare the following numbers using <,>, or =.
289.73 289.7
289.73>289.7
Which digit is in the thousandths place?
53.268
The 8.
Compare the value of the 2 in the following numbers.
98.23 298.5
The 2 in 98.23 is 1/1000 of the 2 in 289.5.
Round 135.79 to the nearest whole number.
136
Place these decimals in ascending order.
3.78 3.87 3.8 3.08 3.800
3.08 3.78 3.8 3.87 3.800
Explain the error that was made in the following inequality statement.
365.8=356.8
The wrong symbol was used because the 6 in the tens place is larger than the 5 in the tens place. 365.8>356.8
What number could we put in the hundredths place to make the inequality true?
36.477<36.4__9
It could be 7, 8 or 9.
Compare the value of the 6 in each number.
598.623 762.843
The 6 in 589.623 is 1/100 of the 6 in 762.843.
George rounded 345.67 to the nearest tens place and got 340. Explain George's error.
The 5 in the ones place would make the 4 round up to a 5. It would not stay a 4. Therefore, the number should be 350 when rounded to the nearest tens place.
Place these decimals in descending order. Explain how you figured it out.
1.00 1.78 1.5 1.700 1.65
1.78 1.700 1.65 1.5 1.00
I used place value to determine number placement. I determined which number was the greatest and which was the smallest and how the rest fall in between. Then I wrote them in order from greatest to least.
Compare the following decimals using <,>, or =.
354.89 354.8 354.893
354.8<354.89<354.893
What digit could complete the inequality?
8.567>8.5___
It could be 5, 4, 3, 2, 1, or 0.
Explain the difference in the value of the 5 in the following numbers.
456.89 489.65
The 5 in 456.89 is 1000 times larger than the 5 in 489.65 because it is three place values to the left of 5 hundredths making it 1000 times bigger.
Lucy rounded 246.98 to the nearest tenth and got 246.9. Explain the error Lucy made.
When rounding 246.98 to the nearest tenth, the 8 telling the 9 to round up. If it rounds up it would become a 10, which would make the number go to the next whole because 10/10 is one whole. That would make the number 247 when rounded.