Search Results For “multiply and divide by 10”

More on decimal fractions, including some tricky estimating on number lines and calculator work which requires sharp mental skills.

Adding on to the next whole hundred, and then on to the next whole thousand.

Without using paper and pencil practise adding three small numbers as well as adding two 2-digit numbers.

Harder mental addition, using all the skills and strategies learned so far.

Once the technique for adding 9 to a number has been mastered, there is no problem with adding 19, 29 or 39!

More written addition; adding up to four numbers as well as 4-digit numbers and decimals.

The standard written method for subtraction. All these are 3-digits take away 2-digits and all cross the tens boundary.

More on the standard written method of subtraction, with zeros in the tens column which can cause difficulties.

Tips on different ways that answers can be checked: essential if you are using a calculator.

It's a good idea to time how long it takes to complete each square and look for improvement as tables are learned.

More speed tests on tables. Remember, the grid can be completed in any order. Most children like to start with the easy tables, such as the twos and tens.

Some interesting concepts introduced here, including dividing by zero, dividing by one and whether 12 divided by 4 is the same as 4 divided by 12.