Mental Calculation, Addition

mental and oral mathsThis time we offer a Mental and Oral maths activity which focusses on using a specific strategy to give addition a speed boost.

This teaching activity enables children to gain confidence in reordering the numbers of an addition problem to make that problem easier. The focus is on looking for pairs which create a specific total.

You show an addition problem like this one:

30 + 10 + 70 + 40 + 90 Read more »

mental and oral mathsThis Mental and Oral activity focuses on developing children's use and understanding of number properties.

Children work in pairs, using a mini-whiteboard or a scribble pad in order to determine the identity of two 'secret' numbers. The information you give them about these numbers is related to addition and multiplication, for example: Read more »


probability - digit card gameThis is a simple digit card game to help children practice mentally addition and subtraction strategies.

The fun maths game uses only 10 digit cards (numbered from 1 to 10 and works with a group of 4 - 5 children.

One child (let's call him Daniel) mixes all of the cards and hands each of the other children in the group a card, face-down. Read more »