LESSON
MATHEMATICS ACTIVITIES
1.3 DECIMALS
1. Josh used itres of ster during
an Integrahed
Express the ami
remained
DATE
b) 14.07
2. Express 0.5 as a fraction in its
simplest form or
e) 327.034
7. Write the number
form is
e) 5.11x 10
ese standard
3. Express 0.145 os
simplest form
fraction in its
b) 2.03x102
4. In August 2022, the cost of a litre of
petrol was Sh 159.25. How much did
kipchoge pay for two litres?
c) 6.3x103
5. A doctor prescribed 12.5 ml of a dr
to a patient. Express the drug
prescribed in litres to two significant
figures
8. Work out:
a) 2.05 5.2-1.8
rite each of the following in stand-
ds form
0039
b)3.6 2.8 (2.8+0
RK
119
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Match the surfaces (a) - (f) below with the contour diagrams (1) - (6) below those.
(a) Surface (a) matches contour 5 V
V
(b) Surface (b) matches contour 2 V
(c) Surface (c) matches contour 1
(d) Surface (d) matches contour 6 V
(e) Surface (e) matches contour 4 V
(f) Surface (f) matches contour 3 V
(4)
(1)
-0.25
(a)
(b)
(c)
(d)
(e)
y
y
2.5
0.5
1.5
1.5
1.5
y
.3
0.25
OC
0.25
-0.25
(2)
X
1.5
ZI
(f)
y
0.01
0.01
(3)
☑
X
0.01
0.01
0.2
0.2
(5)
0 x
0.5
(6)
0.25
X
X
0.25
0.5
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At least one of the answers above is NOT correct.
The figure shows a hill with two paths, A and B.
(a) What is the elevation change along each path? 400
9400
✓ feet
(b) Which path ascends more rapidly? A v
(c) On which path will you probably have a better view of the surrounding
countryside (assuming that trees do not block your view)? A V
(d) Along which path is there more likely to be a stream?
A V
Note: You can earn 50% partial credit for 2-3 correct answers.
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Q
hulu
))))
9800'
A
10000
(Click on graph to enlarge)
L
^
B
0
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4)
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Grade 12 and UG/ Introduction to logical statements and truth tables; Author: Dr Trefor Bazett;https://www.youtube.com/watch?v=q2eyZZK-OIk;License: Standard YouTube License, CC-BY