IGCSE MATHEMATICS TEST 1

Joshua starts work at 2120 and finishes at 0615 the next day. Calculate how long Joshua is at work (Write answer in hrs and mins)

(a)  

Work out without using a calculator. (6.4 ×10⁷) + (9.6 × 10⁶). Give your answer in standard form.

(a)  

Expand and simplify.

(3x-7)(2x+9)

(a)  

Safina has a barrel containing 6000 milliliters of oil, correct to the nearest 100ml.She uses the oil to fill bottles which each hold exactly 50ml.Calculate the upper bound for the number of bottles she can fill.

(a)  

1. Find the value of x t^x × t² = t¹⁰

(a)  

Simplify.

i) (4/x) ^-2

(a)  

Simplify

i) a³ b⁷ ÷ a⁶ b²

(a)  

Write 23000 in standard form

(a)  

Without using a calculator, work out 1/15 + 2/5 .Write down all the steps of your working and give your answer as a fraction in its simplest form.

(a)  

Write 56 as a product of its prime factors.

(a)