Number worksheet — GCSE Foundation

1.A recipe uses 160 g of flour. Sam wants to increase the amount by 1/4. Work out the new amount of flour.

2.A number is divided by 5, then 6 is subtracted, giving the result −1. Work out the number.

3.Write down the symbol that makes this statement true: 6/11 ___ 4/11

4.Amelia eats 5/8 of a bar of chocolate and Oliver eats 3/4 of an identical bar. Write both amounts as eighths and write down the greater of the two fractions.

5.Write '3.2 million' as a number in figures.

6.Which of these numbers is the largest: −9, −7, −4, −2?

7.Work out how many factors 36 has.

8.A number, x, is truncated (not rounded) to 1 decimal place and the result is 6.2. Write down the error interval for x.

9.3/5 of the students in a year group walk to school. 90 students walk to school. Work out the total number of students in the year group.

10.Work out −4.5 + 2.8.

11.A concrete mix is made from cement and sand in the ratio 3 : 5 by mass. A builder mixes 96 kg of concrete. Work out the mass of cement in the mix.

12.A number, n, is equal to 3.7 when rounded to 1 decimal place. Write down the error interval for n.

13.Simplify x⁵ × x³ ÷ x², giving your answer as a single power of x.

14.Work out ⁴√81

15.A café offers sandwiches with one filling from 5 choices and one type of bread from 4 choices. Cheese and mustard, which is one of the 5 fillings, is not available on gluten-free bread, which is one of the 4 breads. Work out how many different sandwiches are possible.