# Archives for "August, 2009"

Posted by Peter on 17th August 2009

## Mental Arithmetic: Add 29, 39, 49 to any 2-digit number

Here we continue with our mental arithmetic series on addition by looking at adding 29, 39 and 49 to 2-digit numbers. Make sure that your child is confident with adding 9 before going on to these. Once again the process is the same: add the nearest whole ten and then subtract 1. Once this has […]

Posted by Peter on 14th August 2009

## Coming Soon: Mental arithmetic and time.

The emphasis is on mental arithmetic next week. We continue with our mental arithmetic series on addition by looking at adding 29, 39 and 49 to 2-digit numbers. Also there is a tricky page on adding decimal fractions mentally, suitable for Year 5. We also have our second in a series of time worksheets, looking […]

Posted by Peter on 13th August 2009

## Year 5 maths worksheet: Adding decimal fractions mentally

This page is all about using mental strategies to add decimal fractions. Before attempting this children should be able to add two 2-digit whole numbers in their heads and have a good understanding of place value. The mental process of adding 2.4 and 3.7 is almost the same as adding 24 and 37; in fact […]

Posted by Peter on 12th August 2009

## Resource of the Week: times tables number search

Looking for something to get the brain going again towards the end of the summer holiday? We have some great resources in our Puzzles section, including this one which is a number search using the 3 times table. All of the 3 times table up to 10 can be found somewhere in the number search, […]

Posted by Peter on 11th August 2009

## Time: Finding lengths of time in minutes 1

Reading clock faces is a tricky subject for many children, especially as they see time displayed digitally more now than ever before. This page looks at finding lengths of time under an hour by comparing two clock faces. There are several stages of development with this and children should be able to count up in […]

Posted by Peter on 10th August 2009

## Standard written addition of 4-digits

Addition of two 4-digit numbers is usually done on paper, using the following standard method: The method is to add the units first, put the units in the answer, and ‘carry’ the ten into the tens column. Then add the tens and continue in the same way into the hundreds and finally the thousands. A […]

Posted by Peter on 7th August 2009

## Coming soon: Written addition, time and mental arithmetic

Next week we will have an excellent maths worksheet showing how to do standard written addition with 4-digit numbers. Also there will be a page on finding lengths of time using both analogue and digital displays. Time is often a stumbling block for many children, especially when asked to find how long it is between […]

Posted by Peter on 6th August 2009

## Maths Worksheet: Add 19 to any 2-digit Number

By year 4 children should be comfortable with 2-digit addition ‘in their heads’. This maths worksheet on adding 19 to any 2-digit number will show whether they are confident and quick with their mental methods. There are usually two processes involved when adding 19. It is often best done by adding twenty and subtracting one, […]

Posted by Peter on 5th August 2009

## Resource of the Week: Year 5 Probability

This week I am highlighting our probability worksheets for Year 5. Probability is one of the least understood of maths concepts, especially with young children. By year 5 children are expected to be able to say whether events are impossible , unlikely , likely or certain. They should also be able to say which events […]

Posted by Peter on 4th August 2009

## Subtraction of money

This is another in our series of worksheets covering the four rules. Children should be competent with the standard written method of subtraction before moving onto subtracting decimals. Money is an excellent way to show how decimals work and it is important to ensure that there are two numbers after the decimal point. Another key […]