Addition and Subtraction KS1 Maths Links.
Number Bonds To 10 Video
Set as a quiz show, the host tells the contestants that 8+2=10 and asks what does 2+8=? The contestant explains that swapping the numbers around still makes the same answer.
Soccer Math Interactive
Answer the addition question correctly to have a go at scoring a goal.
Song About The Minus Sign Video
A catchy song explains the use and appearance of the minus sign. The numbers 8 and 5 appear in a pool and the song tells the audience to look at the sign and work out what to do. The song explains what the minus sign looks like and tells them to subtract the second number from the first.
Subtracting 1 From 5 Video
Rodd is trying to squeeze 5 jumpers into his camping rucksack. He has to take 1 out, and shows us that we can use subtraction to work out how many jumpers are left inside, without having to take them out and count them again. We join in with Rodd and learn that ‘5 take away 1 leaves 4’, through counting with his special abacus, finger counting, sleeping bag ‘moves’, counting back on the number track, and singing a number rap.
Subtracting 2 From 8 Video
Rodd the pirate sees an advert for a parrot costing two gold pieces. Rodd involves the children in counting the 8 gold pieces in his chest, as he thinks about whether he has enough coins, and about how many he will have left if he buys the parrot. Children can help check Rodd’s subtraction by counting with his abacus, and finger counting. Rodd buys the parrot and the children help him to bury his remaining coins. Children then sing along with Rodd’s number rap about ‘8 take away 6’.
A visual excersice to help with basic subtraction. Drag and drop the number bars to help with the calculation.