Primary 5

Fraction of a remainder

A bar is cut into equal parts and some are taken. Each animation finds what is left, then a fraction of that remainder, as a fraction of the whole bar in its simplest form.

5 episodes 2 min in all

Play episode 1

1
0:22

Episode 1

A third of the rest

Find the remainder first. Then split the remainder into 3 equal groups and take 1.
2
0:22

Episode 2

Two thirds of the rest

The remainder is 3 parts. 2/323 of 3 parts is 2 parts.
3
0:22

Episode 3

Three fifths of the rest

The remainder is 5 parts. 3/535 of 5 parts is 3 parts.
4
0:22

Episode 4

Three quarters of the rest

The remainder is 4 parts. 3/434 of 4 parts is 3 parts.
5
0:27

Episode 5

One third, then one third again

When the remainder does not split evenly, cut every part smaller: 9 equal parts make it work.

Fraction of a remainder

A third of the rest

Two thirds of the rest

Three fifths of the rest

Three quarters of the rest

One third, then one third again