Two-Week Holiday Math Challenge Chart With Answer Key Page 2
ADVERTISEMENT
1
2ANSWERS
I have tried to ensure the answers are correct
BUT … you know how it is!! If you find any
mistakes email me: mel@justmaths.co.uk
DAY 1
DAY 2
DAY 3
DAY 4
DAY 5
DAY 6
DAY 7
2
2
HCF = 2
x3
x5
23
23
5
£5,248.80
39
12.6
5 : 1
6.8 x 10
30
30
3
7
3
LCM = 2
x3
x5
30
30
1
1
10
x = 6
28.8 km
-0.5
11105
= 3
= 3
2.1
3.5 x 10
9
9
3
3
33
33
1
1
(1.5,5.5)
8
£11.25
26.4 km
platinum
= 4
= 4
£7,800
8
8
8
8
331
331
7
7
16
16
= 9
= 9
5√6
4,995,000
16% increase
37.5%
x = 22
36
36
36
36
9
9
1
1
2
2
12√14
200
-9x + 8
£29.25 : £9.75
a
+ 3b
2.5 cm
5
5
�� + 9
�� + 9
125
125
2
80 : 100
4 cm
5√2
They are the same
x
- 1
2
2
12
12
DAY 8
DAY 9
DAY 10
DAY 11
DAY 12
DAY 13
DAY 14
5
4
gradient = 1.5
30
666.74
800
144
4.07 x 10
12x
y
829,9993 or 8.299993
7
7
10
£43.55
5
0.48
5500 ≤
< 6500
x
x
9
9
5
x10
9
9
1
1
4
4
2
2
3
3
2
9452.31
6
5ab
(4b - 3a)
�� =
�� =
=
=
16
16
8
8
6
6
3
3
2
2
4
4
52
52
�� = −
�� = −
7.5 days
14(p + 1)(p + 3)
£163.20
6.25
4 4 6 7 14
3
3
99
99
9 −3��
9 −3��
2
2
2
2
��
��
− ��
− ��
2
=
=
2
2
40 : 3
Proof given
1
-6x
+ 11x +10
y
y
3(a
b + 2ab
+ 2)
�� =
�� =
2��
2��
5��+3
5��+3
2
2
4
3
2
2
2
2
2
2
2
5
False it is -1
��
��
= ��
= ��
+ ��
+ ��
− 2���� ��������
− 2���� ��������
120
(x + 5)(x - 5)
x
y
+2xy
-xy -2y
5n
+ 3
9 x 10
ADVERTISEMENT
0 votes
Related Articles
Related forms
Related Categories
Parent category: Education