A good revision exercise on mentally adding and subtracting multiples of 10.
Mental addition and subtraction of multiples of 100, including crossing over the thousands.
Mental addition questions which get quite tricky.
A mixed bag of addition and subtraction: good for seeing whether children can use their skills to add and subtract quickly ‘in their heads’.
Adding on to the next whole hundred, and then on to the next whole thousand.
Adding a single digit to a 3-digit number; there might well be plenty of counting on fingers here!
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.
Straightforward addition with a calculator: don’t forget to do a quick mental approximation of the answer
Once the technique for adding 9 to a number has been mastered, there is no problem with adding 19, 29 or 39!
Knowing one fact should mean that you know three other facts. Spotting patterns like these can save a lot of work!
Work carefully, using patterns such as pairs of numbers that make 10, to help answer these.
Working carefully, looking for patterns to help, remembering that addition can be done in any order.
The standard written method for addition. Check answers by adding the columns in reverse order.
The standard written method for addition of decimals. If using squared paper always put the decimal point on the vertical line, not in a square.
More written addition; adding up to four numbers as well as 4-digit numbers and decimals.
The standard written method for adding two 4-digit numbers.