Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
8 Cards in this Set
- Front
- Back
|
What does the bottom/top indicate? |
The bottom indicates the whole number The top indicates how much of the number there is |
|
|
How to reduce a fraction |
Divide the top and bottom by a common factor |
|
|
Adding and subtracting fractions |
If the bottom is the same: just add the top If the bottom is different: find a common number among the bottom |
|
|
Multiplying Fractions |
Just multiply straight across. For example: 4/5 * 10/12 = 40/60 = 2/3 Reducing the fractions before multiplying makes it easy |
|
|
Reducing Diagonally |
4/5 * 5/6 = 2/1 * 1/3 |
|
|
Division of Fractions |
Flip the second fraction, then multiply |
|
|
Comparing Fractions |
Use the bowtie method Cross multiply the denominator to the second numerator 3 over 7 and 7 over 12. 7 * 7 = 49 12 * 3 = 36 7 over 12 is bigger since its 49 |
|
|
Converting Mixed Numbers into Fractions |
Multiply the bottom number to the integer, then add the top number. Put the result of that over the bottom number. For example: 2(2/3) 3*2 + 2 = 8 = 8/3 |
