Probabilty
A bag contains 4 red, 3 blue and 3 green counters. What is the probability of selecting a blue counter?
3/10
Convert 350 cm to m.
3.5m
What formula is used to calculate the volume of a cylinder?
V = πr²h
What does the Total Surface Area mean?
the area of all sides
In the simple interest formula, what does P represent?
Principal - amount of money invested or borrowed
A deck contains 20 cards. 7 are stars. What is the probability of not selecting a star?
13/20
Convert 2.7m to cm
270cm
A cylinder has radius 4 cm and height 10 cm. Write the substitution needed to calculate its volume.
V = π × 4² × 10
Find the area of a rectangle measuring 7cm by 9cm.
63cm2
Write the simple interest formula.
SI = PIN
Two coins are tossed. What is the probability of getting two heads?
1/4
Convert 470cm2 to m2
0.047m2
Calculate the volume of the cylinder: radius 3cm, height 8cm.
226.2cm3
A rectangular prism measures 4cm x 5cm x 10cm. Find its total surface area.
220cm2
$5000 is invested at 4% simple interest for 3 years. Find the interest earned.
$600
Two bags each contain 6 red and 3 black shirts. What is the probability of selecting a red shirt from each bag?
1/4
A snail travels at 35mm per minute. How far does the snail travel in 8 minutes?
280mm or 28cm
A rectangular prism measures 5cm x 8cm x12cm. Find its volume.
480cm3
A triangular prism has a triangular cross-section with sides 3 cm, 4 cm and 5 cm and length 10 cm. What areas must be included in the total surface area?
2 triangular ends + 3 rectangular faces
$6000 is invested at 5% p.a. simple interest for 4 years. Find the final amount.
$1200 and total amount $7200
Two bags each contain 6 red and 3 black shirts. What is the probability of selecting different colours?
4/9
Convert 3.25m2 into cm2
32500cm2
A composite prism consists of a rectangular prism with a triangular prism on top. Explain A composite prism consists of a rectangular prism with a triangular prism on top. Explain the two volumes you would need to calculate before adding them together.
Rectangular prism volume + triangular prism volume
A triangular prism has a right-angled triangular end with base 5 cm and height 4 cm. Its length is 21 cm. Calculate its total surface area if the third triangle side is 6.4 cm.
2(½ × 5 × 4) + 21(5 + 4 + 6.4)
= 303.4 cm²
$7400 is invested at 6.2% p.a. compounded yearly for 3 years. Find the final amount.
$8639.50