Save
Busy. Please wait.
Log in with Clever
or
show password
Forgot Password?
Don't have an account?  Sign up 
Sign up using Clever
or
Username is available taken
show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account. Your email address is only used to allow you to reset your password. See our Privacy Policy and Terms of Service.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
focusNode
Didn't know it?
click below
 
Knew it?
click below
Don't Know
Remaining cards (0)
Know
0:00
edit
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

Numbers Review 1

Grade 7: place value, rounding, number forms, exponents, squares, powers of ten

QuestionAnswer
35,264,231.08 in words thirty-five million, two hundred sixty-four thousand, two hundred thirty-one, and eight hundredths
Round 436,516,354.89 to the nearest ten thousand 436,520,000 or 436,520,000.00
5^2 solve (what is 5 to the power of 2?) 25
167.923 x 10,000 1,679,230
793.89 x 0.01 7.9389
Change to standard form: 50,000,000 + 200,000 + 10,000 + 300 + 20 + 8 + 0.07 50,210,328.07
Change to exponential (exponent) form: 4 x 4 x 4 x 4 x 4 4^5 (4 to the power of 5)
If I have $2893 that I need to share between 100 people, how much money does each person get? (powers of 10) $28.93 each
twenty-eight thousand, six hundred five and sixteen thousandths 28,605.016
List the first 5 PERFECT squares 1, 4, 9, 16, 25
In the number 673,483,392 what is the place value of the 8? ten thousands
Round 5,392,999,230.2 to the nearest hundred thousand 5,393,000,000 or 5,393,000,000.0
If you draw a SQUARE, and it has a side length of 8, what is the area of the square? 64
7,932.4 divided by 0.001 7,932,400
Change to expanded with powers of 10: 6,032,704.828 (6 x 1,000,000) + (3 x 10,000) + (2 x 1000) + (7 x 100) + (4 x 1) + (8 x 0.1) + (2 x 0.01) + (8 x 0.001)
Change to expanded form: 8^6 (8 to the power of 6) 8 x 8 x 8 x 8 x 8 x 8
Change to standard form: 2^4 (2 to the power of 4) 16 (because 2 x 2 x 2 x 2 is 16)
What is larger, 134,374.054 or 134,374.0054? 134,374.054
356,473,300 x 0.00001 3,564.733 or 3,564.73300
Multiply 3 x 400 (use your understanding of powers of ten) 1,200 (ignore the zeros; 3 x 4 is 12 - put the two zeroes from the question at the end of your answer)
Multiply 400 x 5000 (use your understanding of powers of ten) 2,000,000 (ignore the zeros; 4 x 5 is 20 - put the five zeroes from the question at the end of your answer)
Created by: greens72
Popular Math sets

 

 



Voices

Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!
"Know" box contains:
Time elapsed:
Retries:
restart all cards