Decimals and Place Value
How should the number "thirteen and thirty-one hundredths" be written in standard form?
13.31
What does 0.5 multiplied by 10^3 equal?
500
Q11: Which weights round to 9 pounds? (8.099, 9.429, 8.501, 8.723, 9.700)
9.429 and 9.700
Compare: 3.108 and 3.18
3.18 is greater than 3.108
If a volleyball has a mass of 0.2 kg, how many times heavier is it than a pickleball weighing 0.02 kg?
10 times heavier
What is the relationship between 0.07 and 0.7?
0.07 multiplied by 10 equals 0.7
Complete the equation using a number:
0.4 x ___ = 400
10^3
Which weight rounds to 4.5 grams? (4.514, 4.38, 4.575, 4.48, 4.492)
4.514 and 4.492
Compare: 0.007 and 0.0070
They are equal
Why is 0.09 + 0.003 + 4 equal to 4.093?
It represents the sum of four and ninety-three thousandths
Write 4.093 as word form.
Four and ninety-three thousandths
What power of 10 is used to multiply 0.009 to get 90?
10^4
What is 10,000 written as a power of 10?
10^4
What is greater, 6.91 or 6.19?
6.91 is greater than 6.19
How do you express 5 x 10^3 using Phong's rule?
5,000
Which is greater, 0.532 or 0.523?
0.532 is greater than 0.523
How is the mass of the volleyball related to the mass of the pickleball (0.02 kg vs 0.2 kg)?
The mass of the volleyball is 10 times the mass of the pickleball.
Does 4.575 round to 4.5 grams?
No
Compare: 0.7 and 0.070
0.7 is greater than 0.070
What is the heaviest piece of silver weighed before making pendants? (8.33, 8.421, 8.92, 8.019, 8.17)
8.92 ounces
How is 41.9 compared to 41.39?
41.9 is greater than 41.39
Amalia disagrees with Phong's rule about multiplying by 10^3. Why is she correct?
0.5 x 10^3 equals 500, not 0.5000
What is the nearest whole number for 8.501 pounds?
9 Pounds
Does 8.92 weigh more than 8.33?
YES
Explain why 0.5 multiplied by 10^3 doesn't simply add three zeros.
Because it changes the decimal point, making the product 500