Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ π -¹ ² ³ °

You are not logged in.

- Topics: Active | Unanswered

Pages: **1**

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 23,054

1. What must be added to -2 to get 8?

2. What must be subtracted from -3 to get 2?

3. Write two rational numbers between

and .

4. Compare the following pairs of rational numbers and identify which of them is greater:

(i)

(ii)

,(iii)

,5. Express each of the following in the lowest terms:

(i)

(ii)

(iii)

6. Without actual division, determine which of the following numbers have a terminating decimal representation:

(i)

(ii)

(iii)

(iv)

(v)

(vi)

7. Express each of the following in decimal form:

(i)

(ii)

(iii)

(iv)

8. Write each of the following numbers as a mixed fraction:-

(i)

(ii)

(iii)

(iv)

(v)

9. Which of the following numbers are equal to

?(i)

(ii)

(iii)

(iv)

10. Evaluate:

(i)

(ii)

(iii)

(iv)

It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Offline

**iamfriendly****Member**- Registered: 2009-07-03
- Posts: 72

*Last edited by iamfriendly (2010-04-25 08:43:22)*

EYE AM FRIENDLY, THAT'S O U NEED 2 NO,

psst,

Don't trust strangers, EYE AM FRIENDLY, THAT'S O U NEED 2 NO ..........psst, Don't trust strangers......

Offline

**bobbym****bumpkin**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606

Hi ganesh;

**In mathematics, you don't understand things. You just get used to them.****If it ain't broke, fix it until it is.**** Always satisfy the Prime Directive of getting the right answer above all else.**

Offline

**iamfriendly****Member**- Registered: 2009-07-03
- Posts: 72

EYE AM FRIENDLY, THAT'S O U NEED 2 NO,

psst,

Don't trust strangers, EYE AM FRIENDLY, THAT'S O U NEED 2 NO ..........psst, Don't trust strangers......

Offline

**iamfriendly****Member**- Registered: 2009-07-03
- Posts: 72

fast typing, bobbym! that was really fast! and by the way, how did you do the click thing-ie??

EYE AM FRIENDLY, THAT'S O U NEED 2 NO,

psst,

Don't trust strangers, EYE AM FRIENDLY, THAT'S O U NEED 2 NO ..........psst, Don't trust strangers......

Offline

**bobbym****bumpkin**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606

Hi iamfriendly;

Just take and put your answers between the hide commands. I have done one of yours so you can see. Now just edit your post and you will see what I have done.

**In mathematics, you don't understand things. You just get used to them.****If it ain't broke, fix it until it is.**** Always satisfy the Prime Directive of getting the right answer above all else.**

Offline

**iamfriendly****Member**- Registered: 2009-07-03
- Posts: 72

*Last edited by iamfriendly (2010-04-25 09:31:33)*

psst,

Don't trust strangers, EYE AM FRIENDLY, THAT'S O U NEED 2 NO ..........psst, Don't trust strangers......

Offline

**iamfriendly****Member**- Registered: 2009-07-03
- Posts: 72

*Last edited by iamfriendly (2010-04-25 09:24:03)*

psst,

Don't trust strangers, EYE AM FRIENDLY, THAT'S O U NEED 2 NO ..........psst, Don't trust strangers......

Offline

**bobbym****bumpkin**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606

Hi;

Just say hide=whatever between the brackets.

**In mathematics, you don't understand things. You just get used to them.****If it ain't broke, fix it until it is.**** Always satisfy the Prime Directive of getting the right answer above all else.**

Offline

**iamfriendly****Member**- Registered: 2009-07-03
- Posts: 72

psst,

Don't trust strangers, EYE AM FRIENDLY, THAT'S O U NEED 2 NO ..........psst, Don't trust strangers......

Offline

**iamfriendly****Member**- Registered: 2009-07-03
- Posts: 72

psst,

Don't trust strangers, EYE AM FRIENDLY, THAT'S O U NEED 2 NO ..........psst, Don't trust strangers......

Offline

**iamfriendly****Member**- Registered: 2009-07-03
- Posts: 72

*Last edited by iamfriendly (2010-04-26 15:14:36)*

psst,

Don't trust strangers, EYE AM FRIENDLY, THAT'S O U NEED 2 NO ..........psst, Don't trust strangers......

Offline

**ZainH****Member**- Registered: 2010-12-03
- Posts: 72

(Should be more topics like this, I liked it )

*Last edited by ZainH (2010-12-07 03:49:18)*

Haikus can be weird. Haikus can be confusing. Refrigerator.

Offline

**bobbym****bumpkin**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606

**In mathematics, you don't understand things. You just get used to them.****If it ain't broke, fix it until it is.**** Always satisfy the Prime Directive of getting the right answer above all else.**

Offline

**ZainH****Member**- Registered: 2010-12-03
- Posts: 72

Hey bobbym,

No I haven't, is it a similar site to this?

Haikus can be weird. Haikus can be confusing. Refrigerator.

Offline

**bobbym****bumpkin**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606

Hi ZainH;

It is this site! Just pick a bunch questions that you like and take the quiz.

**In mathematics, you don't understand things. You just get used to them.****If it ain't broke, fix it until it is.**** Always satisfy the Prime Directive of getting the right answer above all else.**

Offline

Pages: **1**