Number Sense Forum

useless · Anonymous

The vertex of the parabola y=x^2 -5x + 1 is (h,k) and k =____________ h =__________? 4*5!+ 5*4! = ? 7! If 4^x = 10.7 , then 2^2x + 1 = ? The expansion of (3x + y)^6 has________term. What is a deficient number? What is an abundant number? What is a transcendental number? What is a perfect number? Let R...

Anonymous

Can someone please explain how problems like the following are solved. A is 10% less than B and B is 20% more than C. A is what % more than C? If A is 10% more than B and B is 10% less than C, then A is what % less than C?

fht · Anonymous

What is a lucky number?

fht · fht

Brad, not being able to meet you was one of the biggest disappointments on my trip. I actually mistakenly stayed in the 5A award ceremony for a little bit because I didn't know they changed the 4A one's location. We were that close to meeting each other. So how did you do? Zack and I had a wonderfu...

bradp · Anonymous

What is a happy number?

useless · useless

Explanation is needed for the following questions: 17% of 90 + 90% of 17 is ___________ If 3^(x+1) = 48 then 9^x is __________ 5+10+20+.....320 is ___________ if (5-10i)/(4-3i) is a+bi, then a= ____________ If 7C1 + 7C2 = 8CN then the largest value of N is ___________ 54*59 + 55*58 = ___________ The sum...

useless · Anonymous

Hey. I have never taken a TMSCA test and my coach signed me up for TMSCA State. Lol. Can someone please tell me what TMSCA tests are like and how hard they are compared to UIL tests. I'm excited about going, but I'm also a tad bit nervous about it. Anyone's help would be really appreciated!!!...

bradp · bradp

You guys gonna be there?

fht · fht

yeah, fun arithmetic test, timed. perfect ns warmup here is the link, in case you haven't found it on texasmath: http://zetamac.com/arithmetic/ Best Wishes

useless · useless

Yay! Lets see, I believe UIL B came out on Feb 10th, so this is old news to you guys, but I'll post anyway... Here are my results/commentary Number Sense: 232 (1st Place) - I've been waiting a loooooooooooong time to make up for invite A, and I say that this score proves I dont suck. It's also a...

bradp · bradp

NS 382 - got burned by the e^2 approximation and distance between two lines but nothing else :D CA 220 - 70 points higher than #8 MA 186 - ok SC 182 - too much guessing CS 136 - not bad

fht · fht

Hey, Zack, du want Dr. Numsen 2004-2005 packet free? If you do, I ordered it last yr and can make a copy of it so you'll have another 120sth test for back up. Also, I'll remember to bring the wristbands (pray recall the wristband deal), so I suggest you get ready for the transaction too. Best Wish...

useless · useless

Hey, I just got my score back ---> 100.5. Thats as nifty a score as I could've hoped for, considering the three extremely dumb mistakes I made. haha Did anyone else here take it? Also, I wont be able to do UIL B this weekend. My parents grounded me from UIL (HOW NERDY IS THAT?!?!) so that I could get...

webmaster · webmaster

Okay, Here's the deal. If you found this page and you are in my class, then you have followed the directions I asked. For working really hard on your studying you have earned a free 100 on your test on Thursday. When I hand out the test, write your name on it and hand it in blank. But do not breathe a w...

fht · Anonymous

Is there a shortcut for finding the remainder when dividing by 6. For example : 837265 ÷ 6 has a remainder of _________.

fht · fht

Today, I encountered 2 estimation questions that threw me off my rhythm: 1. x^2-27x+y^2+45y=200 has an area of ________ 2. (1^4+2^4+3^4+4^4+5^4+6^4)^(2/3) = ________ In both cases I stared at the problem in disbelief for about 8 second and skipped. How would you guys do it? Thx and Best Wishes

Anonymous

2+1+1/2+1/4+1/8+... = ? 5+2+4/5+8/25+... = ? Can someone please explain how to do questions like these.

bradp · bradp

Klein Oak... about 12 schools there. NS - 310 80/10 some of the problems threw me off... especially the very first one :P made some dumb mistakes like 32/2 = 18 and 68+162 = 250. klein's two top scores were two 355s CA - 152 65/25 finished number crunchers in a comfortable 14:10... went back to the fi...

useless · useless

I've been whining and complaining about my scores in NS for quite some time now, but I finally acheived the one personal goal I've had all year - to break 200 on a NS test. Thats right, I scored a 201 (51,6) on the TMSCA #7 test. FINALLY!!! I knew that I was bound to have an accurate test at some point...

fht · fht

Zack, I don't know whether you've gotten the tests or not, but they came in today. And I'm gonna start doing them. How was the soccer match? Best Wishes

useless · useless

Ok, I know that you guys have gone over these questions before in someway or another, but I was wondering how y'all would attack the following questions from UIL 2006 Invite A. 71) 444 x (1/27) = ____________ (mixed number) I've been dividing by 3 and then doing nine's rule to these kind of questions,...

useless · useless

Hey Brad. Dulles is a definite go. The meet official said he'd let independents compete on the condition that I register the name of the team under my school's name. Is that cool or what? Would you like to go? And if so, would you be bringing a team with you as well? I know that I'll have a few...

bradp · bradp

from 2001_2002 tests The sum of the positive intgers less than 28 & relatively prime to 28 is ____ How many lines in a plane are determined by 5 points, no 3 of which are collinear?

vvr1590 · vvr1590

Hi. It's been a while since i've looked here, since tams doesn't do UIL. Hope you all are doing good. so it seems that for the past four years, tams math club execs have wanted to host a tams math competition, very similar in format to the rice competition. They would have tests in calculus, pre-...

useless · useless

I hate these problems with a passion. I've been told to do these 800 ways but nothing seems to work everytime. Take this problem for example: The LCM of 36, 24, and 20 is... _________________ So... Lets say you take the GCD of these 3 numbers, which is 4, and divide into each of the numbers respectabl...

useless · useless

The Winter league is here! Please, anyone thats interested in being in a NS league click over to http://nspirate.tripod.com/ and take the test under the Winter League tab. Brad made it, and I can promise quality. Email me your results afterward too crazyuilkid@gmail.com . Students and adul...

fht · fht

How score you on NS tests now? Have you taken the SAC? If yes, what of it? Best Wishes

useless · useless

I know you guys are applying to colleges now. How many are you applying to and what are some of your "dream" schools? I'm applying to EVERY Ivy League School, and I am suffering from an administrative headache as we speak. Good thing that alot of the schools I'm interested in use the common ap. Speakin...

bradp · bradp

Anyone know a generalization for the sum of the reciprocals of 4 consecutive triangular numbers? (like 1/6 + 1/10 + 1/15 + 1/21 or 1/[(n)(n+1)] + .... 1/[(n+3)(n+4)] With 3 fractions, I simplified it down to 6/[n(n+3)] but 4 came out to a bunch o big numbers... thanks

bradp · Anonymous

okay so yeah this is my first yearin uil and im in high school. so any advice is welcome. any tricks/methods are greatly appreciated. and since this webpage is new to me so if you wanna help me give me your myspace url and help me then thanks,

Topic		Started By	Replies	Views	Last Post
	More Questions!! =] (Preview) The vertex of the parabola y=x^2 -5x + 1 is (h,k) and k =____________ h =__________? 45!+ 54! = ? 7! If 4^x = 10.7 , then 2^2x + 1 = ? The expansion of (3x + y)^6 has________term. What is a deficient number? What is an abundant number? What is a transcendental number? What is a perfect number? Let R...	Anonymous	5	1346	Mar 21, 2007 by useless
	Questions (Preview) Can someone please explain how problems like the following are solved. A is 10% less than B and B is 20% more than C. A is what % more than C? If A is 10% more than B and B is 10% less than C, then A is what % less than C?	Anonymous	2	1146	Mar 20, 2007 by Anonymous
	Lucky Numbers (Preview) What is a lucky number?	Anonymous	1	1056	Mar 18, 2007 by fht
	TMSCA State (Preview) Brad, not being able to meet you was one of the biggest disappointments on my trip. I actually mistakenly stayed in the 5A award ceremony for a little bit because I didn't know they changed the 4A one's location. We were that close to meeting each other. So how did you do? Zack and I had a wonderfu...	fht	7	2329	Mar 18, 2007 by fht
	Happy Numbers (Preview) What is a happy number?	Anonymous	4	912	Mar 18, 2007 by bradp
	Several Questions (Preview) Explanation is needed for the following questions: 17% of 90 + 90% of 17 is ___________ If 3^(x+1) = 48 then 9^x is __________ 5+10+20+.....320 is ___________ if (5-10i)/(4-3i) is a+bi, then a= ____________ If 7C1 + 7C2 = 8CN then the largest value of N is ___________ 5459 + 5558 = ___________ The sum...	useless	3	1030	Mar 18, 2007 by useless
	Dazed, Confused, Scared, Excited (Preview) Hey. I have never taken a TMSCA test and my coach signed me up for TMSCA State. Lol. Can someone please tell me what TMSCA tests are like and how hard they are compared to UIL tests. I'm excited about going, but I'm also a tad bit nervous about it. Anyone's help would be really appreciated!!!...	Anonymous	3	1190	Mar 12, 2007 by useless
	TMSCA State (Preview) You guys gonna be there?	bradp	1	798	Mar 8, 2007 by useless
	The Ultimate Quiz Sensation that's Sweeping MathWorld, Pros and Amateurs Alike!!!! (Preview) yeah, fun arithmetic test, timed. perfect ns warmup here is the link, in case you haven't found it on texasmath: http://zetamac.com/arithmetic/ Best Wishes	fht	0	933	Mar 6, 2007 by fht
	I finally went to invite b (Preview) Yay! Lets see, I believe UIL B came out on Feb 10th, so this is old news to you guys, but I'll post anyway... Here are my results/commentary Number Sense: 232 (1st Place) - I've been waiting a loooooooooooong time to make up for invite A, and I say that this score proves I dont suck. It's also a...	useless	2	936	Mar 3, 2007 by fht
	TMSCA #9 (Preview) NS 382 - got burned by the e^2 approximation and distance between two lines but nothing else :D CA 220 - 70 points higher than #8 MA 186 - ok SC 182 - too much guessing CS 136 - not bad	bradp	17	2660	Feb 25, 2007 by Anonymous
	Stuff to bring to Needville (Preview) Hey, Zack, du want Dr. Numsen 2004-2005 packet free? If you do, I ordered it last yr and can make a copy of it so you'll have another 120sth test for back up. Also, I'll remember to bring the wristbands (pray recall the wristband deal), so I suggest you get ready for the transaction too. Best Wish...	fht	6	1259	Feb 19, 2007 by useless
	How'd everyone do on the AMC 12? (Preview) Hey, I just got my score back ---> 100.5. Thats as nifty a score as I could've hoped for, considering the three extremely dumb mistakes I made. haha Did anyone else here take it? Also, I wont be able to do UIL B this weekend. My parents grounded me from UIL (HOW NERDY IS THAT?!?!) so that I could get...	useless	4	1561	Feb 10, 2007 by fht
	This has nothing to do with number sense (Preview) Okay, Here's the deal. If you found this page and you are in my class, then you have followed the directions I asked. For working really hard on your studying you have earned a free 100 on your test on Thursday. When I hand out the test, write your name on it and hand it in blank. But do not breathe a w...	webmaster	6	911	Feb 8, 2007 by webmaster
	Remainder when dividing by 6 (Preview) Is there a shortcut for finding the remainder when dividing by 6. For example : 837265 ÷ 6 has a remainder of _________.	Anonymous	1	862	Feb 4, 2007 by fht
	Estimations came back to haunt me! (Preview) Today, I encountered 2 estimation questions that threw me off my rhythm: 1. x^2-27x+y^2+45y=200 has an area of ________ 2. (1^4+2^4+3^4+4^4+5^4+6^4)^(2/3) = ________ In both cases I stared at the problem in disbelief for about 8 second and skipped. How would you guys do it? Thx and Best Wishes	fht	3	759	Feb 4, 2007 by useless
	I AM SOO CoNfUsEd (Preview) 2+1+1/2+1/4+1/8+... = ? 5+2+4/5+8/25+... = ? Can someone please explain how to do questions like these.	Anonymous	3	936	Feb 2, 2007 by Anonymous
	TMSCA 8 (Preview) Klein Oak... about 12 schools there. NS - 310 80/10 some of the problems threw me off... especially the very first one :P made some dumb mistakes like 32/2 = 18 and 68+162 = 250. klein's two top scores were two 355s CA - 152 65/25 finished number crunchers in a comfortable 14:10... went back to the fi...	bradp	5	1975	Jan 28, 2007 by fht
	It finally happened! (Preview) I've been whining and complaining about my scores in NS for quite some time now, but I finally acheived the one personal goal I've had all year - to break 200 on a NS test. Thats right, I scored a 201 (51,6) on the TMSCA #7 test. FINALLY!!! I knew that I was bound to have an accurate test at some point...	useless	11	1719	Jan 25, 2007 by Anonymous
	2005-06 Dr. Numsen Tests (Preview) Zack, I don't know whether you've gotten the tests or not, but they came in today. And I'm gonna start doing them. How was the soccer match? Best Wishes	fht	5	1841	Jan 12, 2007 by fht
	I have Invite A questions again! (Preview) Ok, I know that you guys have gone over these questions before in someway or another, but I was wondering how y'all would attack the following questions from UIL 2006 Invite A. 71) 444 x (1/27) = ____________ (mixed number) I've been dividing by 3 and then doing nine's rule to these kind of questions,...	useless	7	1095	Jan 11, 2007 by useless
	Dulles a go-go! (Preview) Hey Brad. Dulles is a definite go. The meet official said he'd let independents compete on the condition that I register the name of the team under my school's name. Is that cool or what? Would you like to go? And if so, would you be bringing a team with you as well? I know that I'll have a few...	useless	11	883	Jan 8, 2007 by fht
	questions (Preview) from 2001_2002 tests The sum of the positive intgers less than 28 & relatively prime to 28 is ____ How many lines in a plane are determined by 5 points, no 3 of which are collinear?	bradp	9	892	Jan 2, 2007 by fht
	TAMS Math Competition (Preview) Hi. It's been a while since i've looked here, since tams doesn't do UIL. Hope you all are doing good. so it seems that for the past four years, tams math club execs have wanted to host a tams math competition, very similar in format to the rice competition. They would have tests in calculus, pre-...	vvr1590	4	1380	Dec 31, 2006 by fht
	I hate LCMs (Preview) I hate these problems with a passion. I've been told to do these 800 ways but nothing seems to work everytime. Take this problem for example: The LCM of 36, 24, and 20 is... _________________ So... Lets say you take the GCD of these 3 numbers, which is 4, and divide into each of the numbers respectabl...	useless	7	927	Dec 31, 2006 by fht
	Winter League (Preview) The Winter league is here! Please, anyone thats interested in being in a NS league click over to http://nspirate.tripod.com/ and take the test under the Winter League tab. Brad made it, and I can promise quality. Email me your results afterward too crazyuilkid@gmail.com . Students and adul...	useless	0	633	Dec 21, 2006 by useless
	Hey Zack and Brad ( 1 2 ) (Preview) How score you on NS tests now? Have you taken the SAC? If yes, what of it? Best Wishes	fht	27	2465	Dec 19, 2006 by useless
	Colleges (Preview) I know you guys are applying to colleges now. How many are you applying to and what are some of your "dream" schools? I'm applying to EVERY Ivy League School, and I am suffering from an administrative headache as we speak. Good thing that alot of the schools I'm interested in use the common ap. Speakin...	useless	0	665	Dec 12, 2006 by useless
	generalization for fractions (Preview) Anyone know a generalization for the sum of the reciprocals of 4 consecutive triangular numbers? (like 1/6 + 1/10 + 1/15 + 1/21 or 1/[(n)(n+1)] + .... 1/[(n+3)(n+4)] With 3 fractions, I simplified it down to 6/[n(n+3)] but 4 came out to a bunch o big numbers... thanks	bradp	7	1139	Dec 12, 2006 by webmaster
	im new at this so Help! (Preview) okay so yeah this is my first yearin uil and im in high school. so any advice is welcome. any tricks/methods are greatly appreciated. and since this webpage is new to me so if you wanna help me give me your myspace url and help me then thanks,	Anonymous	7	861	Oct 25, 2006 by bradp
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