Nat 5 Apps Revision

 $\frac{4}{5}\ +\ \frac{6}{7}$  

•  $\frac{58}{35}$  

•  $\frac{10}{12}$  

•  $\frac{5}{6}$  

•  $\frac{48}{35}$  

In a box of pens there are red, blue or black.

 $\frac{1}{7}$  of the pens are red

 $\frac{5}{9}$  of the pens are blue

The rest of the pens are black. 

Find the fractions of pens that are black.

•  $\frac{44}{63}$  

•  $\frac{54}{63}$  

•  $\frac{19}{63}$  

•  $\frac{9}{63}$  

There are three brands of TV for sale at an electronics shop.

 $\frac{3}{11}$  of the TVs are Samsung

There are twice as many Sony as Samsung

The rest are LG. 

What fraction of TVs are LG?

•  $\frac{6}{11}$  

•  $\frac{4}{11}$  

•  $\frac{1}{11}$  

•  $\frac{2}{11}$  

The numbers available in raffle are

3, 4, 6, 10, 12, 15, 16, 25 and 30

What is the probability of getting 3?

• $\frac{1}{3}$

• $\frac{4}{9}$

• $\frac{1}{9}$

• $\frac{1}{8}$

In a bag full of marbles. There are 8 red, 6 blue, 5 yellow, 4 black and 2 white marbles.

What is the probability of picking a yellow marble

• $\frac{8}{25}$

• $\frac{1}{5}$

• $\frac{1}{4}$

• $\frac{3}{25}$

What is the probability of getting a number greater than 5 when spinning this dial?

• $\frac{3}{8}$

• $\frac{5}{8}$

• $\frac{3}{5}$

• $\frac{2}{5}$

5² - 2 x 3

2.3 + 2 x 3.8

3.4 x 6 - 11.9

George attempt the following question

2.5 + 1.1 x 9.

George thinks the answer is 32.4, is he correct?

• Yes, he is correct.

• No, the answer should be 22.5

• No, the answer should be 12.4

• No, the answer should be 3.6