Springboard 7
Key Stage 3 SPRINGBOARD 7 PART 3 UNIT 4 ANSWERS UNIT
4
4 Answers
Unit
Section 1
Bar charts and bar line graphs
1
Lotta bottle 1
Monday
4
Day Number of pints
5
2
9 pints
Mon
Tue
Wed
Thur
Fri
14
9
12
13
6
6
£21.60
3
6 pints
Before weekend when there is no school.
The dice-rolling experiment 1
5
2
1
50
Score Frequency
4
Section 2
2
180
6
3
4
1 50
2 25
3 30
4 10
5 20
6 45
No – would expect roughly same number of each score.
Charts and tables
1
Section 3
May days 1
Wednesday
2
4
3
21 May
4
Sunday
5
17 days
6
3
7
19 May
8
£200
3
6
4
dog
Mode and range
2
The mode 1
5
2
5
2 and 3
6
no mode
7
pink
8
tiger and lion
9
no mode
10
2 and 3
3
8
red
The range 1
5
5
2
4
13
mode = 2, range = 3
6
mode = 8, range = 6
7
mode = 4, range = 2
8
mode = 5, range = 5
9
mode = 8 and 9, range = 3
10
no mode, range = 21
11
(a) 9
6
(b) 5
Key Stage 3 © CROWN COPYRIGHT 2001
1
Key Stage 3 SPRINGBOARD 7 PART 3 UNIT 4 ANSWERS UNIT
Unit
AR CH ST
LEN
!
GE
AL
1
Star Challenge answers
5
AR CH ST
AR CH ST AR CH ST AR CH ST
LEN
!
Year Successful missions Crashed missions Total number of missions
2032 8 4 12
7
7
3
12 2033 7 5 12
2034 5 13 18
2035 2 16 18
2036 6 7 13
2037 8 3 11
2035
Second-hand cars
5–6 correct 1 star
1
£4825
2
£5150
3
1995
4
Vauxhall Astra
5
Mazda 323
6
about £2500
4
How many miles?
6–7 marks 1 star
1
147 miles
2
84 miles
3
Penzance and Bristol
4
45 + 34 + 75 = 154 miles 11 correct 2 stars 8–10 correct 1 star
Reading from tables and charts 1
(a) 6
2
(a) Mr Law
(b) Mr Hatton
3
(a) 6
(c) 2
(b) 36
(b) 1
(c) spider
(d) 7
LLE N
!
GE
Key Stage 3 © CROWN COPYRIGHT 2001
3
GE
AL
2
LEN
!
4
2037
2
GE
AL
5
2034
GE
!
A
6
LEN
23–24 marks 2 stars 20–22 marks 1 star
Space probe 1
AL
4
4 Answers
5
Working with mode and range 1
(a) 26p
(b) 3p
2
(a) 1oC
(b) 10 oC
All correct 1 star
4
4 Answers
Unit
Section 1
Bar charts and bar line graphs
1
Lotta bottle 1
Monday
4
Day Number of pints
5
2
9 pints
Mon
Tue
Wed
Thur
Fri
14
9
12
13
6
6
£21.60
3
6 pints
Before weekend when there is no school.
The dice-rolling experiment 1
5
2
1
50
Score Frequency
4
Section 2
2
180
6
3
4
1 50
2 25
3 30
4 10
5 20
6 45
No – would expect roughly same number of each score.
Charts and tables
1
Section 3
May days 1
Wednesday
2
4
3
21 May
4
Sunday
5
17 days
6
3
7
19 May
8
£200
3
6
4
dog
Mode and range
2
The mode 1
5
2
5
2 and 3
6
no mode
7
pink
8
tiger and lion
9
no mode
10
2 and 3
3
8
red
The range 1
5
5
2
4
13
mode = 2, range = 3
6
mode = 8, range = 6
7
mode = 4, range = 2
8
mode = 5, range = 5
9
mode = 8 and 9, range = 3
10
no mode, range = 21
11
(a) 9
6
(b) 5
Key Stage 3 © CROWN COPYRIGHT 2001
1
Key Stage 3 SPRINGBOARD 7 PART 3 UNIT 4 ANSWERS UNIT
Unit
AR CH ST
LEN
!
GE
AL
1
Star Challenge answers
5
AR CH ST
AR CH ST AR CH ST AR CH ST
LEN
!
Year Successful missions Crashed missions Total number of missions
2032 8 4 12
7
7
3
12 2033 7 5 12
2034 5 13 18
2035 2 16 18
2036 6 7 13
2037 8 3 11
2035
Second-hand cars
5–6 correct 1 star
1
£4825
2
£5150
3
1995
4
Vauxhall Astra
5
Mazda 323
6
about £2500
4
How many miles?
6–7 marks 1 star
1
147 miles
2
84 miles
3
Penzance and Bristol
4
45 + 34 + 75 = 154 miles 11 correct 2 stars 8–10 correct 1 star
Reading from tables and charts 1
(a) 6
2
(a) Mr Law
(b) Mr Hatton
3
(a) 6
(c) 2
(b) 36
(b) 1
(c) spider
(d) 7
LLE N
!
GE
Key Stage 3 © CROWN COPYRIGHT 2001
3
GE
AL
2
LEN
!
4
2037
2
GE
AL
5
2034
GE
!
A
6
LEN
23–24 marks 2 stars 20–22 marks 1 star
Space probe 1
AL
4
4 Answers
5
Working with mode and range 1
(a) 26p
(b) 3p
2
(a) 1oC
(b) 10 oC
All correct 1 star
