The Times Tables Tests series helps to secure children's knowledge and application of essential multiplication and division facts - as appropriate to their Key Stage - and to develop their understanding of number vocabulary. In addition, Progress Tests enable children to see their achievements build over time. All the tests are similar in format to those in Schofield & Sims Mental Arithmetic and may be used in conjunction with this series or independently. Times Tables Tests 1 focuses particularly on the 1/2/3/4/5/10 times tables, doubling and halving, simple fractions, coins and sums of money units of measurement for length/mass/capacity.