edexcel maths higher notes
Answers: New GCSE Maths Edexcel Linear Homework Book Higher 2
1
Number: Using a calculator
1.1 Basic calculations and using brackets
HOMEWORK 1A
1 a 195 b 300
2 a 28.08 b 48.18
3 a 24.5 b 38.3 c 326.9 d 11.3
4 14 days
5 Alfie 4.67; Becky 5.46; Chloe 6.14; Daniel 3.77
Daniel is correct.
6 75 Euros is approximately £65.79; $100 is about £67.11, so $100 is worth more
7 a 15.26 b 194.88
8 a 1.7 b 4.8
9 a 533.05 b 5.221096
1.2 Adding and subtracting fractions with a calculator
HOMEWORK 1B a 12 17
20
b
10 1
9
c
9
9 20
d
81
12 200
e
61
10 80
f
5
12 16
g
1 13
30
h
13
i
2 19
96
j
1
1 169
240
k
1 199
360
l
1 301
468
b
1 4 miles
1
2
1
2
3
a
4
Use the fraction facility on the calculator to enter one-quarter, then press the multiplication key, then enter the fraction two-thirds, then press the equals key.
5
24
6
a
– 575
b
A negative answer means the first number is less than the second number.
a
29
297
7
c
1
4 4 miles
1
8
b
29
– 432
One negative and one positive answer.
The positive answer in a means that 10 is greater than
27
The negative answer in b means that
8
9
10
27
is less than
7
16
3
11
.
.
28.3 cm
1
6
clockwise or
5
6
anticlockwise
1.3 Multiplying and dividing fractions with a calculator
©HarperCollins Publishers Ltd
1
Answers: New GCSE Maths Edexcel Linear Homework Book Higher 2
HOMEWORK 1C a 3
20
b
8
27
c
21
40
d
7
200
e
9
64
f
27
512
g
1
2 25
h
1
27
i
38
j
1
63
80
k
1
1 24
l
91
180
1
3
2
1
4
3
12
4
a
14
33
b
14
33
5
a
2
17
b
2
17
c
d
3
1
3
m2
a
9
8 20
b
9 17
27
c
20 37
40
d
11 137
200
e
261
27 320
f
439
2 512
g
1
2
1
Number: Using a calculator
1.1 Basic calculations and using brackets
HOMEWORK 1A
1 a 195 b 300
2 a 28.08 b 48.18
3 a 24.5 b 38.3 c 326.9 d 11.3
4 14 days
5 Alfie 4.67; Becky 5.46; Chloe 6.14; Daniel 3.77
Daniel is correct.
6 75 Euros is approximately £65.79; $100 is about £67.11, so $100 is worth more
7 a 15.26 b 194.88
8 a 1.7 b 4.8
9 a 533.05 b 5.221096
1.2 Adding and subtracting fractions with a calculator
HOMEWORK 1B a 12 17
20
b
10 1
9
c
9
9 20
d
81
12 200
e
61
10 80
f
5
12 16
g
1 13
30
h
13
i
2 19
96
j
1
1 169
240
k
1 199
360
l
1 301
468
b
1 4 miles
1
2
1
2
3
a
4
Use the fraction facility on the calculator to enter one-quarter, then press the multiplication key, then enter the fraction two-thirds, then press the equals key.
5
24
6
a
– 575
b
A negative answer means the first number is less than the second number.
a
29
297
7
c
1
4 4 miles
1
8
b
29
– 432
One negative and one positive answer.
The positive answer in a means that 10 is greater than
27
The negative answer in b means that
8
9
10
27
is less than
7
16
3
11
.
.
28.3 cm
1
6
clockwise or
5
6
anticlockwise
1.3 Multiplying and dividing fractions with a calculator
©HarperCollins Publishers Ltd
1
Answers: New GCSE Maths Edexcel Linear Homework Book Higher 2
HOMEWORK 1C a 3
20
b
8
27
c
21
40
d
7
200
e
9
64
f
27
512
g
1
2 25
h
1
27
i
38
j
1
63
80
k
1
1 24
l
91
180
1
3
2
1
4
3
12
4
a
14
33
b
14
33
5
a
2
17
b
2
17
c
d
3
1
3
m2
a
9
8 20
b
9 17
27
c
20 37
40
d
11 137
200
e
261
27 320
f
439
2 512
g
1
2