Two-way tables

The Maths Habit Handout to print

Leah made this table. What has gone wrong?

	Swim	Run	Total
Year 7	34	26	60
Year 8	29	33	62
Total	63	49	122

26 + 33 = 59, not 49

Two-way table: A table that sorts data in two ways at once, with a total for every row and column.

How many girls chose art?

	Art	Music	Total
Boys	11	14	25
Girls	16	9	25
Total	27	23	50

16

80 people choose a main course.

	Pasta	Curry	Total
Adults	18	28	46
Children	17	17	34
Total	35	45	80

How many children chose pasta? 17

70 pets are at a vet.

	Male	Female	Total
Dogs	19		38
Cats
Total		36	70

How many cats are male? 15

80 people choose a main course.

	Pasta	Curry	Total
Adults	18		46
Children
Total		45	80

How many children chose pasta? 17

90 guests choose a dessert.

	Cake	Fruit	Total
Adults	41
Children			26
Total		31	90

How many children chose cake? 18

80 people choose a main course.

	Pasta	Curry	Total
Adults	18		46
Children
Total		45	80

How many children chose pasta? 17

60 students choose a club.

	Chess	Drama	Total
Year 7	14
Year 8			32
Total		35	60

How many Year 8 students chose drama? 21

80 people choose a main course.

	Pasta	Curry	Total
Adults	18		46
Children
Total		45	80

How many children chose pasta? 17

75 people travel to a match.

	Bus	Train	Total
Adults		31
Children	8
Total	30		75

How many adults travel to the match? 53

80 people choose a main course.

	Pasta	Curry	Total
Adults	18		46
Children
Total		45	80

How many children chose pasta? 17

120 tickets are sold for a concert.

	Standing	Seated	Total
Online			85
By phone	21
Total		48	120

How many seated tickets were sold online? 34

60 people are at a gym. 35 are women. 20 of the women swim. 32 people swim altogether.

	Swim	Do not swim	Total
Women
Men
Total

Two-way tables worksheet, page 1

Two-way tables worksheet, page 2

Answer sheet

A vet sees 60 animals in a week. 34 are dogs and the rest are cats. 21 of the dogs and 15 of the cats are under 5 years old. How many of the animals are 5 or older?
24
One of the 60 animals is chosen at random. What is the probability that it is a cat under 5 years old?
1560

Each student chose art or drama. How many Year 8 students chose drama?
14
70 people: 38 adults, 33 with a dog, 21 adults with a dog. How many children have no dog?
20
One is picked at random. Find P(child with a dog).
1270 = 635

Exit tickets to print