Tina has marked the six parts she needs on a piece of wood, as shown in the diagram below.
Diagram NOT accurately drawn
(a) Work out the total length of the six parts. (2)
Tina is going to cut a circular hole in the front of the nest box. She makes this accurate full size drawing to represent the hole.
(b) Measure the diameter of the hole. (1)
Here is a sketch of one side of the nest box.
Diagram NOT accurately drawn
(c) In the space below, make an accurate scale drawing of this side of the nest box. Use a scale of 1 cm to 20 mm. The line AB has been drawn for you.(3)
Mark scheme (a)
Answer
Mark
Notes
1270 or 1320
2
M1 for adding the six lengths or an answer of digits 127(0) or digits 132(0) A1 for 1270 or 1320
Mark scheme (b)
Answer
Mark
Notes
32 mm or 3.2 cm
1
B1 for answer in range 30 mm to 34 mm or in range 3 cm to 3.4 cm
Mark scheme (c)
Answer
Mark
Notes
Drawing
3
M1 for at least one right angle M1 for 10cm line or 12.5cm line A1 for fully correct drawing