Writing Numbers (forms)
How do you say this number out loud?
765,312,090.2
Seven-hundred sixty-five million, three-hundred twelve thousand, ninety, and two tenths
0.658
0.660
Which decimal is larger?
0.0263 0.0284
0.0284
Ms. Entingh has $10 in her savings account. Her brother has 1/10 as much money in his account as Ms. Entingh. How much money does Ms. Entingh's brother have in his account?
$1
Write a decimal that is equivalent to 0.75
0.750
What does this number look like in standard form?
5 x 103 + 2 x 101 + 9 X 1/10 + 7 X 1/1,000
520.907
12.4932
12.0000
Put the following numbers in order from least to greatest:
0.0043 1.01 0.28 1.10 0.0026
0.0026 0.0043 0.28 1.01 1.10
What is 100 times larger than 50?
5,000
Choose all of the expressions that are equivalent to 9 x 103
9 x 1,000
9 x 100
9 x 10 x 10 x 10 x 10
9 x 10 x 10 x 10
9 x 1,000
9 x 10 x 10 x 10
The weight of the banana is 4.76 ounces. What is 4.76 written in expanded form?
4 x 10 + 7 X 1/10 + 6 x 1/100
Round the following number to the thousandths place:
0.17384
0.174
Choose all of the comparisons that are true:
7.18<7.08
12.09<12.90
0.065>0.005
5.23>5.13
7.670<7.89
12.09<12.90
0.065>0.005
5.23>5.13
7.670<7.89
What is the value of the 9 in this number?
112,055.093
Nine hundredths
The numbers below follow a pattern.
3.0 0.3 0.03 0.003
What are the next two numbers in the pattern?
What is the relationship between the terms in the pattern?
0.0003 0.00003
Each number is 10 times smaller than the number before it.
In a football game, John averaged 20.843 tackles per game. What is 20.843 written in expanded form? How is it written with number names?
2 x 10 + 8 x 1/10 + 4 x 1/100 + 3 x 1/1,000
Twenty and eight-hundred forty-three thousandths
Brenda swam a race in 22.864 seconds. What is this number rounded to the nearest tenth?
22.9 seconds
Jessica shaded 50 squares on her hundredths grid. Toby shaded 60 squares on his hundredths grid.
Write two decimals that are greater than Jessica's, but smaller than Toby's.
Write two decimals that are equivalent to Jessica's decimal.
Example: 0.51 & 0.59
Example: 0.5, 0.50, 0.500
Is the digit in the hundreds place for each number 1/10 the value of the digit in the thousands place?
Say yes or no for each number.
9,623
11,356
1,987
2,204
No --> 9,000 & 600
No --> 1,000 & 300
No --> 1,000 & 900
Yes --> 2,000 & 200
Determine the pattern, then write the decimals to complete the decimal grid.
(Look at whiteboard)
(Look at whiteboard)
Write the following number in expanded form with exponents:
409,561,237.802
(4x108)+(9x106)+(5x105)+(6x104)+(1x103)+(2x102)+(3x10)+(7)+(8x1/10)+(2x1/1,000)
Henry held his breath for 35.179 seconds. What is this number rounded to the nearest hundredth? Explain how knew what to round it to.
35.18 seconds - I saw that the 7 was in the hundredths place, so I looked to the next place on the right, which has a 9 in it. The 9 tells me to round up, so I rounded the 7 up to 8 and the 9 turned to a 0.
Chrissy cut a piece of paper that is 3.19 yards long. Logan cut a piece of paper that is 3.091 yards long. Whose piece of paper is longer? How can you tell?
Chrissy's paper is longer.
Example: Both numbers have a 3 in the ones place, but Chrissy's has a 1 in the tenths place and Logan has a 0 in the tenths place.
Write the value of each digit in this number:
762.102
700
60
2
1 tenth
2 thousandths
Decimal numbers that name the same part of a whole or the same point on a number line are called...?
Equivalent decimals