Introduce scale, use peg boards, dot paper, cm grid paper etc. – to enlarge and reduce shapes by simple scalar amounts. Discuss this in terms of what happens to corresponding sides (they are multiplied or divided by the same factor)
Numeracy resource page
Introduce scale, use peg boards, dot paper, cm grid paper etc. – to enlarge and reduce shapes by simple scalar amounts. Discuss this in terms of what happens to corresponding sides (they are multiplied or divided by the same factor)