Flashcards in Common And Decimal Fractions Deck (24)

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1

## What’s a proper fraction?

###
A fraction where the numerator (top number) is less than the denominator (bottom number).

Example: ½

2

## What’s an improper fraction?

###
A fraction where the numerator (top number) is bigger than the denominator (bottom number).

Example: 5/3

3

## What is a common fraction?

### Common fractions are fractions where both the numerator and denominator are whole numbers written as a/b.

4

## What are decimal fractions?

###
Decimal fractions can have a whole number as well as a fractional part, separated by a comma. The whole number is always on the left of the comma and the fractional part is always on the right of the comma.

Example: 250,27

5

## What’s a mixed number?

###
A mixed number is number consisting of a whole number and a fraction.

Example: 9 3/4

6

## What are equivalent fractions?

### Fractions with the same value.

7

## Give an equivalent fraction of 5/10.

### ½; 2/4; 4/8; 6/12; 7/14; 8/16; 9/18; 10/20...etc.

8

## Give an equivalent fraction for 9/24.

### 3/8; 6/16; 18/48...etc.

9

## Give an equivalent fraction for 3/4.

### 6/8; 12/16; 75/100...etc.

10

## What is the lowest common denominator?

###
The lowest common denominator is the lowest common multiple of two denominators. You must find the lowest equivalent fraction that apply to both fractions.

Example: The lowest common denominator of 45/75 and 6/10 is 3/5.

11

## What’s 1/2+1/4?

### 3/4

12

## What’s 3/4-3/8?

### 1 1/8 or 9/8

13

## What is 1 and 4/7 + 3 and 1/21?

### 4 and 13/21

14

## What is 1/3 of 2/3?

###
2/9

(1/3 x 2/3 = 2/9)

15

##
Round off this decimal fraction to the nearest whole number:

249,83217

### 250 (ha, I’m evil)

16

##
Round off this decimal fraction to one decimal place:

12,0908

### 12,1

17

##
Round off this decimal fraction to two decimal places:

2,9999

### 3.00

18

##
State whether the following are or =:

5/10 y 0,5

### =

19

##
State whether the following are or =:

15,7142 y 15,7098

### >

20

##
State whether the following are or =:

3/4 y 0,75001

21

## What’s the rule for multiplying fractions by a whole number?

### Divide by the bottom, times by the top.

22

##
Frypan has 3/4 of Oreo mug cake left. He wants to give Ella and Newt each an equal piece of what’s left for their date.

How much will they each get?

###
3/4 ÷ 2 = 3/8

Newt and Ella each get 3/8 Oreo mug cake.

23

## What do you have to do when multiplying two fractions?

###
You multiply the numerators together and the denominators together.

-If it’s a mixed number write it as an improper fraction before multiplying.

(Yes!!! Literally the only simple thing we have to do in maths! I nearly had a breakdown trying to remember how to do this; whether you had to convert to decimals or what, by no! Yay!!! It’s so simple!)

24