Maths Revision P1

Evaluate –11 – (–8) + 2=

Evaluate –9 – (–1) – 9 ÷ 3=

Evaluate 12 + (–15) + (–24) ÷ (–3)=

Evaluate 6 × 3 + (–10) – 2 × 4=

Round off 395.843 to the nearest whole number.

Round off 12.531 to one decimal place.

Round off 0.002 986 to 2 significant figures.

Find the Lowest Common Multiple (LCM) of 12 and 21.

Find the Highest Common Factor (HCF) of 12 and 27 using repetitive division method.

Find the Highest Common Factor (HCF) of 16, 20 and 30 using repetitive division method.