Mental math, a quiz and more on solid geometry.

1. Solid Geometry
sub2leftfronttop

2. Mental Math
1. If 10 oranges cost $2.50, how 5. Write 5% as a decimal 0.05
much does one orange cost? $0.25
6. Write 0.03 as a percent 3%
2. Which is the better buy,
dozen for
a dozen eggs for $2.40 or
$2.40
6 eggs for $1.80?
7. Write 0.01 as a fraction 1/100
3. How much money will
8. What is 25% of 84? 21
you save if a book that $18.75
costs $25.00 is reduced
in price by 75%?
30
9. Find 25% of 120
4. What is 8 x 35? 280 10. Write 2/10 as a decimal 0.2

3. 1. Which metric unit should you use to measure? (1 mark each)
(a) the width of a sheet of paper (b) the distance from Winnipeg to
Brandon
__________ __________
(c) the thickness of a loonie (d) the length of the classroom
__________ __________
2. Convert the following measurements as indicated. (1 mark each)
(a) 1. 36 m = ___________ cm (b) 270 mm = ___________ m
(c) 0.023 km = ___________ m (d) 0.6 m = ___________ mm
(e) 314 mm = ___________ cm (f) 27.18 cm = ___________ mm
(g) 2002 m = ___________ km (h) 1.6 m = ___________ km

6. Find the perimeter of each figure below

7. Find the area of each figure below.

8. Surface Area
and
Volume
slant height
SA=Area of base
+ Perimeter of
base x slant height