Search Results For “subtraction problems”

Important concepts on the relationship between addition and subtraction.

Addition and subtraction related to the six digits shown.

Recognising that subtraction is the inverse of addition and the relationship between multiplication and division.

How long will it take to complete a page of addition, subtraction, multiplication and division questions?

Put the addition or subtraction signs in to make the number sentences correct. Hard, as there is more than one sign!

Some quite tricky partitioning to help with subtraction of 2-digit numbers.

Several ways to investigate the relationship between addition and subtraction.

Techniques to help with understanding written methods subtraction. Jottings only at this stage, which some find rather complicated.

Revising subtracting small numbers with the help of a number line.

Here we have some serious 2-digit addition. On the first two pages the answers all come to just more than 100.

Check answers by carrying out a different calculation eg double to check that halving is correct, or add to check that subtraction is correct.

A good revision exercise on mentally adding and subtracting multiples of 10.