Multiplying by 10 and 100

We have just published another set of maths worksheets on multiplying 2-digit and 3-digit numbers by ten or one hundred. Multiplying by ten moves each digit one place to the left, whilst multiplying by one hundred moves each digit two places to the left. Zeros are placed in the empty...

Standard written method for subtraction

One of the hardest things that children have to learn is to be able to carry out a written subtraction in the standard form. One of the main problems for children is the adjustment from tens to units, or hundreds to tens and when to do it. Our great subtraction...

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...

Year 5 maths activities: Addition games

The expectations for children using mental arithmetic are very high in Years 5 and 6. In fact, by the end of year 6 they match most of what would be expected in High School or as an adult. In order to reach these high targets a great deal of practice...

Year 4 maths worksheets: More products

This week we have published a new set of worksheets, suitable for Year 4 children, which looks at the product of two numbers. The temptation is to think that the product is got by adding two numbers, but this is incorrect; multiplying gives the product. This is a nice set...

Mental arithmetic for years 4, 5 and 6

We continue with our weekly programme of mental arithmetic, with two sets of questions for each of year 4, 5 and 6. The questions on the Year 4 pages require good listening skills as they are quite complex. Perhaps one of the hardest questions involves finding a missing number in...