Summative Assessment 9013

A rectangular plot of land has a length of 250m and a width of 175m. The farmer wants to fence the plot using 6 strands of wire. What length of wire will s/he need

What is the formula to calculate distance

Every weekday, Noah drives the distance of 25 km between his home and work in 30 minutes. Calculate his speed

Calculate the area of the figure. (course materials)

1. Decide which shape –Area of Triangle:
2. A =         
3. A =          ?

b        =       

h        =       

A        =       

4. A =         

Calculate the area of the triangle:(course materials)

Estimate (guess) which object has the greater volume: a cube with sides of 6 cm or a rectangular box of 7 cm by 6 cm by 4 cm.  Now calculate the volumes accurately.  

In each case give the greater/greatest measurement:

1. 250 g; 0.2 kg
2. 0,01 kg; 12 000 mg; 10 g

What is the volume of the fluid in the measuring cylinder

Write the following according to the international time system:

1. 2.16 p.m.
2. 12.05 p.m.
3. 3.12 a.m.

Use the Theorem of Pythagoras  to calculate the following:  

A point on the ground is 6 m from a pole that is 12 m tall. Calculate the length of a straight line between this point and the top of the pole.

Which units of area will be best for measuring.  

1. the area of the floor of this room
2. the area of a soccer field 
3. the area of South Africa

What would you use the following measurement instruments for:

1. ruler
2. measuring tape
3. Vernier caliper
4. micrometer screw
5. measuring cylinder 
6. stopwatch

Write down at least one name of objects you have come across in your daily life which have the shapes of the triangular pyramid and cylinder.  (5)

What is the net of a solid?.  (1)

A model train is made to a scale of 1:50.  

1. If the length of the real train is 25 m, what is the length of the model?
2. If the model is 15 cm high, what is the height of the real train?

According to the plan of a house the area of the lounge is 3035cm X 3850cm.  Calculate the area of the lounge in cm².  Convert the cm² into m². 

A gift box has the following dimensions.  

• Height 15cm
• Width 10cm
• Depth 8cm

Calculate the volume of the box   

The dimensions of a tumble dryer are.  

• Width 559mm
• Height 850mm
• Depth 485mm

You want to fit the tumble dryer into the laundry.  There only space available is between the washing machine and the fridge and there is a shelf above this space.  You have measured the space between the washing machine and the fridge and it is 550mm wide and 860mm high. 

Is the space wide enough for the tumble dryer to fit?  Motivate your answer.

Is the space high enough for the tumble dryer to fit. motivate your answer

Give the GPS coordinates for location marked 2 on the map on the next page.(attached to question)

Maps of the world come in more than one form. Explain the following two types of maps.

Political maps. (1)

Physical maps. (3)