Saturday, 22 October 2011

Math Games
http://www.maths-games.org/
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Pecahan


Fractions

A fraction is a part of a whole

Slice a pizza, and you will have fractions:

1/21/43/8
(One-Half)
(One-Quarter)
(Three-Eighths)
   
The top number tells how many slices you have 
The bottom number tells how many slices the pizza was cut into.

Numerator / Denominator

We call the top number the Numerator, it is the number of parts you have.
We call the bottom number the Denominator, it is the number of parts the whole is divided into.
Numerator
Denominator
You just have to remember those names! (If you forget just think "Down"-ominator)
fraction
The denominator is the bottom number in a fraction.
It shows how many equal parts the item is divided into

Equivalent Fractions

Some fractions may look different, but are really the same, for example:
4/8=2/4=1/2
(Four-Eighths) Two-Quarters) (One-Half)
==
It is usually best to show an answer using the simplest fraction ( 1/2 in this case ). That is called Simplifying, or Reducing the Fraction

Adding Fractions

You can add fractions easily if the bottom number (the denominator) is the same:
1/4+1/4=2/4=1/2
(One-Quarter) (One-Quarter) (Two-Quarters) (One-Half)
+==
Another example:
5/8+1/8=6/8=3/4
+==
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Nombor Bulat


Ordering Numbers

"Waiter, I would like a 7 and a 3, please..."
NO, not THAT type of ordering. I mean putting them in order ...
To put numbers in order, place them from lowest (first) to highest (last). This is called "Ascending Order" (think of ascending a mountain)

Example: Place 17, 5, 9 and 8 in ascending order.
  • Answer: 5, 8, 9, 17



Sometimes you want the numbers to go the other way, from highest down to lowest, this is called "Descending Order" (think of a "steep descent")

Example: Place 17, 5, 9 and 8 in descending order.
  • Answer: 17, 9, 8, 5


Practice by neatening up your friends. Measure their heights, then place them in ascending order of height. Try it again, but use their weights.

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Tuesday, 18 October 2011

Operasi Tambah

How to Add: 1 + 2 = 3

The numbers that are added together in a math addition problem are calledADDENDS.


The answer in a addition math problem is called the SUM.
1

addend
+2

addend
3

sum

1
+
2
=
3
addend
addend
sum
Mathematics - Addition
Math Facts 
0
1
2
3
4
5
  0 + 0 = 0  
  0 + 1 = 1 
1 + 0 = 1  
  0 + 2 = 2 
1 + 1 = 2 
2 + 0 = 2  
  0 + 3 = 3 
1 + 2 = 3 
2 + 1 = 3 
3 + 0 = 3  
  0 + 4 = 4 
1 + 3 = 4 
2 + 2 = 4 
3 + 1 = 4 
4 + 0 = 4  
  0 + 5 = 5 
1 + 4 = 5 
2 + 3 = 5 
3 + 2 = 5 
4 + 1 = 5 
5 + 0 = 5  

6
7
8
9
10
11
12
  0 + 6 = 6 
1 + 5 = 6 
2 + 4 = 6 
3 + 3 = 6 
4 + 2 = 6 
5 + 1 = 6 
6 + 0 = 6  
  0 + 7 = 7 
1 + 6 = 7 
2 + 5 = 7 
3 + 4 = 7 
4 + 3 = 7 
5 + 2 = 7 
6 + 1 = 7 
7 + 0 = 7  
  0 + 8 = 8 
1 + 7 = 8 
2 + 6 = 8 
3 + 5 = 8 
4 + 4 = 8 
5 + 3 = 8 
6 + 2 = 8 
7 + 1 = 8 
8 + 0 = 8  
  0 + 9 = 9 
1 + 8 = 9 
2 + 7 = 9 
3 + 6 = 9 
4 + 5 = 9 
5 + 4 = 9 
6 + 3 = 9 
7 + 2 = 9 
8 + 1 = 9 
9 + 0 = 9  
0 + 10 = 10 
1 + 9 = 10 
2 + 8 = 10 
3 + 7 = 10 
4 + 6 = 10 
5 + 5 = 10 
6 + 4 = 10 
7 + 3 = 10 
8 + 2 = 10 
9 + 1 = 10 
  10 + 0 = 10  
0 + 11 = 11 
1 + 10 = 11 
2 + 9 = 11 
3 + 8 = 11 
4 + 7 = 11 
5 + 6 = 11 
6 + 5 = 11 
7 + 4 = 11 
8 + 3 = 11 
9 + 2 = 11 
  10 + 1 = 11 
11 + 0 = 11  
0 + 12 = 12 
1 + 11 = 12 
2 + 10 = 12 
3 + 9 = 12 
4 + 8 = 12 
5 + 7 = 12 
6 + 6 = 12 
7 + 5 = 12 
8 + 4 = 12 
9 + 3 = 12 
  10 + 2 = 12 
11 + 1 = 12 
12 + 0 = 12  


Math: How to use the addition table



Math: Please Fill In The Blank.

Simple Addition Math Exercise








Level 2: Addition - 1 Digit by 1 Digit (No Carryovers)

Level 2: Addition - 2 Digits by 1 Digit (No Carryovers)
http://handwritingforkids.com/handwrite/math/addition/level_2/lev02_2x1_ex02.htm

Level 3: Addition - 1 Digit by 1 Digit (Carryovers)
http://handwritingforkids.com/handwrite/math/addition/level_3/lev03_1x1_ex02.htm

Level 3: Addition - 2 Digits by 1 Digit (Carryovers)
http://handwritingforkids.com/handwrite/math/addition/level_3/lev03_2x1_ex02.htm
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Operasi Tolak

Mathematics - Subtraction
Math Facts 
0
1
2
3
4
5
0 - 0 = 0 
1 - 1 = 0 
2 - 2 = 0 
3 - 3 = 0 
4 - 4 = 0 
5 - 5 = 0 
6 -6 = 0 
7 - 7 = 0 
8 - 8 = 0 
9 - 9 = 0 
  10 - 10 = 0 
11 - 11 = 0 
12 - 12 = 0  
  1 - 0 = 1 
2 - 1 = 1 
3 - 2 = 1 
4 - 3 = 1 
5 - 4 = 1 
6 - 5 = 1 
7 - 6 = 1 
8 - 7 = 1 
9 - 8 = 1 
10 - 9 = 1 
  11 - 10 = 1 
12 - 11 = 1  
  2 - 0 = 2 
3 - 1 = 2 
4 - 2 = 2 
5 - 3 = 2 
6 - 4 = 2 
7 - 5 = 2 
8 - 6 = 2 
9 - 7 = 2 
10 - 8 = 2 
11 - 9 = 2 
  12 - 10 = 2  
  3 - 0 = 3 
4 - 1 = 3 
5 - 2 = 3 
6 - 3 = 3 
7 - 4 = 3 
8 - 5 = 3 
9 - 6 = 3 
  10 - 7 = 3 
11 - 8 = 3 
12 - 9 = 3  
  4 - 0 = 4 
5 - 1 = 4 
6 - 2 = 4 
7 - 3 = 4 
8 - 4 = 4 
9 - 5 = 4 
  10 - 6 = 4 
11 - 7 = 4 
12 - 8 = 4  
  5 - 0 = 5 
6 - 1 = 5 
7 - 2 = 5 
8 - 3 = 5 
9 - 4 = 5 
  10 - 5 = 5 
11 - 6 = 5 
12 - 7 = 5  

6
7
8
9
10
11
12
  6 - 0 = 6 
7 - 1 = 6 
8 - 2 = 6 
9 - 3 = 6 
  10 - 4 = 6 
11 - 5 = 6 
12 - 6 = 6  
 7 - 0 = 7 
8 - 1 = 7 
9 - 2 = 7 
  10 - 3 = 7 
11 - 4 = 7 
12 - 5 = 7  
 8 - 0 = 8 
9 - 1 = 8 
  10 - 2 = 8 
11 - 3 = 8 
12 - 4 = 8  
  9 - 0 = 9 
  10 - 1 = 9 
11 - 2 = 9 
12 - 3 = 9  
  10 - 0 = 10 
11 - 1 = 10 
12 - 2 = 10  
  11 - 0 = 11 
12 - 1 = 11  
  12 - 0 = 12  
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