Reading/Writing Decimals
Write the number four and five tenths as a decimal.
4.5
What is 10¹ equal to?
10
In the number 8.4, what digit is in the tenths place?
4
Which is greater: 0.5 or 0.4?
0.5
Noah needs to write the number forty-two and six hundredths as a decimal for his math homework. How should he write this in standard form?
a. 40.006 b. 42.6 c. 42.06 d. 4.206
C. 42.06
Which decimal represents seven and twenty-three hundredths?
a) 7.23 b) 7.203 c) 7.023 d) 7.230
a) 7.23
What is 10³ written as a standard number?
1,000
What is the place value of the 6 in 7.63?
6 Tenths
Put the correct symbol to make the statement true:
0.67 ___ 0.7
A.>
B.<
C. =
B. <
Write the power of 10 in each equation. Write your answers in the blanks.
A. 0.9 x ______ = 9
b. ______ x 0.3 = 300
c. 0.5 x ______ = 5
d. ______ x 0.007 = 70
A. 101
B 103
C. 101
D. 104
Read this decimal out loud: 9.047
Nine and Forty-Seven Thousandths
Multiply: 4.5 × 10²
450
In the number 9.052, what digit is in the hundredths place?
5
Which number is the smallest?
a) 0.834 b) 0.803 c) 0.825 d) 0.830
B. 0.803
What is 10,000,000 written as a power of 10 in exponential form?
107
Which number is written in word form correctly for 12.506?
a) Twelve and fifty-six hundredths
b) Twelve and five hundred six thousandths
c) Twelve and five hundred sixty thousandths
d) Twelve and five hundredth six thousandths
b) Twelve and five hundred six thousandths
When you divide 1,234 by 10⁴, your new number is?
.1234
Write a number that has 3 in the tenths place and 8 in the thousandths place.
Multiple Answers are acceptable.
Order these numbers from least to greatest:
2.05, 2.5, 2.2, 2.15
2.05, 2.15, 2.2, 2.5
Mrs. Dennis organizes her waffle maker collection by mass. She thinks each waffle maker is about 4.3 grams. She rounds the masses to the nearest tenth. Decide if each mass rounds to 4.3 grams.
4.318 Yes No
4.249 Yes No
4.36 Yes No
4.281 Yes No
4.309 Yes No
Yes
No
No
Yes
Yes
Write thirty-seven and four thousand sixty-two ten-thousandths in standard form.
37.4062
What is 23,482 x 105=________
2,348,200,000.
The digit 2 in 42.386 is how many times greater than the 2 in 0.0286?
100 Times Greater
Jordan says 0.609 is greater than 0.69 because 609 is greater than 69.
Is Jordan correct? Explain why or why not.
Jordan is incorrect — 0.609 is less than 0.69 because the digits in the tenths place (6 and 6) are the same, but in the hundredths place, 0 < 9.
An eyedropper holds 0.25 liters of liquid and a soda bottle holds 2.5 liters. How is the volume of the soda bottle related to the volume of the eyedropper? Write a sentence or equation to show your answer.
The eyedropper liquid is 10 times smaller than the liquid in the Soda.
The liquid in the soda is 10 times greater than the liquid in the eyedropper.
0.25x101=2.5
2.5 divided by 101=0.25