Measurement
Strategy
If scale is 1cm = 10cm (1:10)
then 8cm = 10 x 8 cm (80cm)
5cm = 10 x 5 cm (50cm)
Scale Convert —–> Convert —> Convert
1) 1cm = 10cm —-> 8cm = 80cm —-> 3cm = 30cm ——> 10cm = A
2) 1cm = 1m —-> 4cm = B ——> 9cm = C ——-> 12cm = D
3) 1cm = 5m —-> 6cm = E ——->20cm = F
Chance
Give each of the following events a rating ranging from 0 meaning impossible, to 1 meaning certain.
4a) You will go to high school.
4b) You will play soccer this season.
4c) You will buy new shoes this week.
4d) It will rain this season.
4e) You will turn 6 years old next week.
4f) It will snow tomorrow.
4a certain
4a) certain
4b unlikely
1) 100cm
4a) unlikely
4c) unlikely
4c unlikely
4d likely
4d) likely
2-
b)4m
c)9m
d)12m
4e impossible
4e) impossible
1.100cm
4f impossible
4f) impossible
1) 100 mm
1. 100cm
2) 120mm
Strategy: no
2.
B. 4m
C.9m
d. 12m
3) 200 mm
3) e=30m
f=60m
3.
e. 10cm
f. 24cm
4a)1for centain
3-
E)10cm
F)24cm
2. B) 4m
4a) certain
1) 100cm
4b) 0
4a) 1
4c) 0.1
4b) impossible
Chance
4a. 1
4b.neither
4c.1
4d.1
4e.o
4f.o
4b) 0
2)
B)4m
C) 9m
D) 12m
4c) 0
2. B) 9m
2. D) 12m
3)
E) 6m
F) 20m
4d) 0.9
4d) 1
4e)0
Redo-
4d) 0.9
4f) 0
3. E) 10m
4c)impossible
3. F) 24m