Common And Decimal Fractions

Question 1

What’s a proper fraction?

Answer 1

A fraction where the numerator (top number) is less than the denominator (bottom number).
Example: ½

Question 2

What’s an improper fraction?

Answer 2

A fraction where the numerator (top number) is bigger than the denominator (bottom number).
Example: 5/3

Question 3

What is a common fraction?

Answer 3

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

Question 4

What are decimal fractions?

Answer 4

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

Question 5

What’s a mixed number?

Answer 5

A mixed number is number consisting of a whole number and a fraction.
Example: 9 3/4

Question 6

What are equivalent fractions?

Answer 6

Fractions with the same value.

Question 7

Give an equivalent fraction of 5/10.

Answer 7

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

Question 8

Give an equivalent fraction for 9/24.

Answer 8

3/8; 6/16; 18/48…etc.

Question 9

Give an equivalent fraction for 3/4.

Answer 9

6/8; 12/16; 75/100…etc.

Question 10

What is the lowest common denominator?

Answer 10

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.

Question 11

What’s 1/2+1/4?

Answer 11

3/4

Question 12

What’s 3/4-3/8?

Answer 12

1 1/8 or 9/8

Question 13

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

Answer 13

4 and 13/21

Question 14

What is 1/3 of 2/3?

Answer 14

2/9

1/3 x 2/3 = 2/9

Question 15

Round off this decimal fraction to the nearest whole number:

249,83217

Answer 15

250 (ha, I’m evil)

Question 16

Round off this decimal fraction to one decimal place:

12,0908

Answer 16

12,1

Question 17

Round off this decimal fraction to two decimal places:

2,9999

Answer 17

3.00

Question 18

State whether the following are or =:

5/10 y 0,5

Answer 18

=

Question 19

State whether the following are or =:

15,7142 y 15,7098

Answer 19

>

Question 20

State whether the following are or =:

3/4 y 0,75001

Question 21

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

Answer 21

Divide by the bottom, times by the top.

Question 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?

Answer 22

3/4 ÷ 2 = 3/8

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

Question 23

What do you have to do when multiplying two fractions?

Answer 23

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!)

Question 24

Peeta only has enough flour to make 3/4 of his dough recipe for orange bagels-but not orange like Effie’s hair, more like the sunset. His dough recipe makes 15 and 1/2 bagels using 3/4 measurements. If Peeta for some reason felt like multiplying these two numbers together, what answer would he get?

Answer 24

3/4 x 31/2 = 93/8