maths revision

Question 1

how many degrees in a pie chart

Answer 1

360 degrees

Question 2

if there are 60 people in a survey, how many degrees in the pie chart does each person get?

Answer 2

6 degrees

Question 3

round up to the nearest significant number 18524

Answer 3

20000

Question 4

round up to the nearest significant number 581430

Answer 4

600000

Question 5

round up to 2 decimal places: 9.5993

Answer 5

9.60

Question 6

round up to 1 decimal place: 4.578439

Answer 6

4.6

Question 7

if 20 people take part in a survey, how many degrees in the pie chart does each person get?

Answer 7

18 degrees

Question 8

what is 4/5 as a percentage

Answer 8

80%

Question 9

is a bar and line graph, the numbers on each axis must be A) equal distance apart or *B) doesn’t matter how it’s done.

Answer 9

A) equal distance apart

Question 10

the first 4 prime numbers are…

Answer 10

2, 3, 5 and 7

Question 11

the first 5 square numbers are…

Answer 11

1, 4, 9, 16 and 25

Question 12

the three columns in a tally chart are…

Answer 12

categories, tally and total categories tally total
running III 3
cycling IIII 4
swimming II 2

Question 13

multiplying decimals method

Answer 13

2.3  x   0.4
   I x10   I  x10
  \/         \/
23  x   4
= 92
92/100=0.92