Starter, Calculation

mental and oral mathsThis mental and oral starter is a quick way to display a range of calculations.

Like our other mental and oral starter ideas this is easy to adapt to suit the needs and abilities of a range of children.

The idea here consists of a coloured number grid and a series of questions. We have attached a PowerPoint file with a selection of grids.

You display one such gird, like this: Read more »

Calculation GameThis little number hunt activity could be used as a paired-starter, or as a game.

The focus is on finding trios of numbers which can be used to create addition and/or subtraction sentences.

For example, 4, 6, 10 are triples since they can be used as the basis for the following simple calculations:
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mental and oral number journeyThis is a great way to get children discussing the mental strategies they use when calculating.

The idea is that the children have to follow a series of instructions to arrive at an unknown number. The image on the left shows a chain of number operations. The starting point is 2, to which 4 is added (making 6), this is then multiplied by 2 (giving 12), divided by 6 (making 2) then, finally, 1 is added (to end with 3). Read more »

target number mathes game

To play the game, the boards should be cut out and laminated. Children then write on them with a whiteboard pen. The players also need a set of 0-9 digit cards between them. Read more »

number bonds - adding strategiesAnother number bonds resource; but this one is a perfect starter activity.

The activity gives children plenty of practice at looking for bonds to 10 hidden in a series of numbers... Why? To aid their calculation skills.

For example, when adding 6 + 2 + 4 it is a useful strategy to mentally gather together the digits that add to 10: Read more »