Targeting Grade C

1
GCSE Mathematics
Targeting Grade C
Handling Data Unit 1 Two-Way Tables
2
TOP Review adding and subtracting Practice
1 Completing two-way tables Practice 2
Reading information from two-way tables Practice
3 Finding probabilities from two-way tables TAIL

• Can you
• Fill in a two-way table
• Answer questions from a two-way table
• Find probabilities from a two-way table
• Try a test

3

• TOP
• 26 53
• 15 9
• 34 17
• 86 32
• 173 23
• 200 75
• 13 163
• 837 387
• 122 34
• 192 123

• Answers
• 79
• 6
• 51
• 54
• 196
• 125
• 176
• 450
• 156
• 69

Are you ready for the answers ?
Lesson
4

• Practice 1 Complete the following tables
• 1) Students are asked if they prefer
  to go swimming or to the gym.
• 2) Some people are asked about their favourite
  outdoor sport.

Lesson
5

• Practice 2 Copy and complete the following
  two-way table about
• ways of eating potato and then answer the
  questions.
• How many boys liked mash?
• How many teachers preferred new potatoes?
• How many girls were asked?
• Out of the people who liked chips, how many were
  boys?

Lesson
6

• Practice 3 For the following two-way table
  answer the questions on probability. A person is
  picked at random from the sample.

• What is the probability the person picked is a
  boy?
• What is the probability the person liked mash?
• What is the probability the person was a teacher
  who preferred new potatoes?
• What is the probability that, out of the girls,
  the person liked chips?
• Out of the people who liked chips, what is the
  probability the person was a boy?

Lesson
7
TAIL

• For the following table, copy and complete it,
  then answer the questions
• about types of coffee bought.

• Coffee is sold in three types and
  in three weights.
• How many people bought 100g of powdered coffee?
• How many people bought ground coffee?
• Out of the packets weighing 200g, what is the
  probability the packet bought contained granules?

Are you ready for the answers ?
Next
8
Answers

• (a) 80
• (b) 120
• (c) 45/130

Lesson