Cambridge Lower Secondary Checkpoint Mathematics

A regular polygon has exactly 8 lines of symmetry. Tick () to show if these facts about the polygon are true, false or if you cannot tell. True False Cannot tell The polygon has 16 sides. The polygon has rotational symmetry of order 8

• True

• False

• Cannot tell

Carlos rolls a fair six-sided dice 60 times. Calculate how many times Carlos should expect to roll a 3

Write the letter for each calculation in the correct column of the table. One has been done for you. A 7 × 6 B 7 5 × 7 C 7 6 ÷ 7 0 D 7 2 × 7 3 Equal to 7 6 Not equal to 7 6 A

Expand and simplify. (c + 4)(c + 10)

Draw a line to match each calculation to its answer. One has been done for you. 5 × 10 –1 0.005 0.05 × 10 4 0.5 5 ÷ 10 –3 500 0.5 ÷ 10 2 5000

Work out the value of () 4 10 2−x when x = 4

A pyramid has a square base with a side length of 10 cm and four congruent triangular faces each with a height of 12 cm. Calculate the surface area of the pyramid.

The arrow points to a number. 456 Draw a ring around the number the arrow points to. 11 22 30 35

• 11

• 22

• 30

• 35

Ahmed draws this graph to show how the number of visitors to his town has increased. Give one reason why the graph could be misleading.

1 n is equivalent to a recurring decimal. n is a whole number. Safia says, ‘n must be greater than 5’ Write a number to complete this sentence. Safia is not correct because the value of n could be