Topics in Mathematics
Conversion of Number Bases explained with examples Angles: Types and Categories of Angles Lines and Types in Mathematics Number Base System - Table showing the Number Bases with explanations Mathematics Scheme of Work, SS1, 3rd Term Mathematics Scheme of Work, SS1, 2nd Term Mathematics Scheme of Work, SS1, 1st Term Trigonometry - Sine, Cosine and Tangent explained with worked examples Quadratic Equation - Factorization of Quadratic Equation Algebra - Explanation and Worked Examples on AlgebraAcademic Questions in Mathematics
Slanted or tilted lines that will finally meet at some point but NOT at a right angle are referred to as _____.
The two sides that forms an angle are referred to as the _____.
The point where the two sides of an angle meet is termed the _____.
How many digits are there in -223.00
30% of 2 is equal to _____.
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In order to convert a base to another base; for instance, if we were to convert a base 10 to base 2, we will first need to know the powers of the base to which we are converting to.
Please read on the Introduction and Explanations of the Number Base System using Tables here.
The instances below shows the powers of various numbers:
The powers of 2 are:
And so on.
Any value raised to the power of zero will always equal to 1.
Simply put, the power of 2 can be written as:
Following the same steps as above, the power or 3 will be:
Still following the same steps as above, the powers of 4 are:
You can read on the Factorization of Quadratic Equation here.
Note: During the final step of our base conversion, the value "one" (1) divided by our base value of interest will always result in the answer "zero remainder one" (0 remainder 1). This is an important step to note as we shall see in our examples below.
Step 1: We need divide the decimal number by the base we want to convert to.
Note: We must take into account the remainder from our division because it will be used as our answer.
Every other step will be similar to step 1 but we will divide our resultant answer from the subsequent steps.
Step 2: Our previous answer from the above division was 5
Step 3: Our previous answer from the above division was 2
Step 4: Our previous answer from the above division was 1
Once our division equals 0, we are done.
Next; we will have to write the reminder from bottom - top; and that’s our answer.
Answer is 1010_{2}
OR
We can also solve this question by using a table; where we will divide the decimal number by the base we want to convert to:
Base 2 |
Decimal value |
Remainder |
2 |
10 |
- |
2 |
5 |
0 |
2 |
2 |
1 |
2 |
1 |
0 |
2 |
0 |
1 |
Counting our remainder from below;
Answer is 1010_{2}
Please read on the Explanations and Worked Examples on Algebra here.
Note: I will use different expressions for the questions below but they will all mean the same thing. (We will be converting a number from base 10 to another base).
For simplicity, we will use a table to solve this question.
Base 2 |
Decimal value |
Remainder |
2 |
15 |
- |
2 |
7 |
1 |
2 |
3 |
1 |
2 |
1 |
1 |
2 |
0 |
1 |
Counting our remainder from below;
Answer is 1111_{2}
You can read on Trigonometry explained with Worked Examples here.
Base 4 |
Decimal value = 16 |
Remainder |
4 |
16 |
- |
4 |
4 |
0 |
4 |
1 |
0 |
4 |
0 |
1 |
Counting our remainder from below;
Answer is 100_{4}
Base 16 |
Decimal value = 16 |
Remainder |
16 |
16 |
- |
16 |
1 |
0 |
16 |
0 |
1 |
Counting our remainder from below;
Answer is 10_{16}
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Amazing facts in Mathematics
31,556,926 seconds makes one year
1000
From 0 to 1000, the only number that has the letter “a” in it is “one thousand”.
÷
The division symbol "÷" is actually called an obelus
4
Four is the only number in the English language that is spelt with the same number of letters as the number (4) itself.
40
40 is spelt as FORTY and not FOURTY. It is the only number that is spelt with letters arranged in alphabetical order ðŸ™„
An odd number is a number that cannot be divisible by 2.
Every odd number has an “e” in its spelling. They include:
- One
- Three
- Five
- Seven
- Nine
555 in Thailand should sound like “hahaha”. This is because the word 5 means “ha” in Thailand
10! Actually means 10 factorial.
10! = 10 x 9 x 8 x 7 x 6 x 5 x 4 x 3 x 2 x 1 = 3628800
3628800 seconds is the same as 42 days
42 days is the same as 6 weeks
When you multiply 111,111,111 by 111,111,111; the result equals 12,345,678,987,654,321
With regards to numbers,
Forty is the only number that is spelt with letters arranged in alphabetical order.
One is the only number that is spelt with letters arranged in descending order.
NOTABLE POINTS IN Mathematics
Circumference in mathematics means the distance around the edge of a circle (or a another curverd surface).
Perimeter means the distance around a square or rectangle or polygon.
Circumference is to circle or any other curved surface
Image Credit: Ducksters
Perimeter is to square or rectangle or polygon
Image Credit: Maths is Fun