# Year 6 Mental Arithmetic: Sets 19 and 20

Our latest set of mental arithmetic questions for Year 6. This week we concentrate on keeping those addition and subtraction skills up to scratch. Children who are quick and successful with mental arithmetic have many different strategies at their fingertips. Which strategy they use will depend on a quick assessment of the numbers involved. As […]

# Year 6 Mental Arithmetic: Sets 17 and 18

This week’s sets of mental arithmetic questions for Year 6 are all about measurement. These questions highlight some key concepts, including the difference between finding the perimeter and the area of rectangles. The perimeter is the total distance around the rectangle. Because a rectangle has two pairs of parallel sides there are several ways  of […]

# Year 6 maths worksheets: ordering decimals

Ordering numbers from largest to smallest seems to be quite a simple task, but when the numbers are decimals it can prove to be much trickier. One problem lies with the number of digits which the number has. As a rule, with whole numbers, the more digits there are, the bigger the number, and children […]

# Year 6 mental arithmetic: measurement

This week’s year 6 mental arithmetic questions are all about measurements. They cover quite a few concepts, including using metric measures to measure. For example, to answer the question: Adam travelled 35.5 km by train and 500 metres by foot. How far in kilometres did he travel altogether? needs a knowledge of that 500 m […]

# Reading and writing very large numbers

This set of worksheets looks at very large numbers,  up to and including millions and is much harder than it first appears! The questions have all the numbers and operations written in words. These need to be keyed into the calculator to give a result. The resulting digits then need to be rewritten in words. […]

# Year 6 mental arithmetic: Sets 11 and 12

It’s a real mixed bag of questions this week, including probability, multiplying decimals and negative numbers. The first two questions look at probability when rolling a die. For instance; what is the probability of rolling a five? To work this out you need to know the total number of possibilities, in this case there are […]

# Mental arithmetic for Years 4, 5 and 6

Tricky question for you today! How would you do 15 x 8 in your head? Think carefully of the process you went through to find the answer. One way is to double 15 to make 30 and then multiply 30 by 4 to make 120. Or I could multiply 8 by 10 to get 80 […]

# Year 6 Mental Arithmetic: Sets 9 and 10

The next two sets of ten mental arithmetic questions are now available. This week the questions concentrate on decimals and fractions and cover a number of important concepts, including: a. Dividing pounds and pence by 10. For example, £4.60 divided by ten is £0.46 or 46 pence. The easiest way to do this is to […]

# The Ancient Egyptian method of multiplying

In year 6 most children will be familiar with the standard written method of multiplication which depends on a good knowledge of times tables, or multiplication tables. The Ancient Egyptians hadn’t quite worked out ‘times tables’ so that they had to use a different method of multiplying which involves ‘decomposing’ one of the numbers into […]

# Year 6 mental arithmetic: Sets 7 and 8

This week’s mental arithmetic questions for Year 6 are all about fractions. They are looking mainly at equivalent fractions and checking that children know that: 1. there are two quarters in a half 2. there are ten tenths in one whole one 3. to find two tenths of a number, find one tenth by dividing […]