Year Six Week 8 Focus Number prefixes bi

Year Six Week 8 Focus ‘Number prefixes ’ bi, tri, quad, pent, hex, hept, oct, non, dec

The Rule number prefixes – � Number prefixes are morphographs that begin at the start of a word. � All morphographs have meaning. These prefixes represent numbers. � bi, tri, quad, pent, hex, hept, oct, non, dec 2 3 4 5 6 7 8 9 10

� bicycle � biceps

� bikini � bilingual

� triangle � triplets

� trilingual � quadrangle

� quadriceps � pentagon

� pentathlon � hexagon

� heptathlon � octagon

� nonagon � decade

� decagon

bicycle b-i-c-y-c-le Sounds: 6 (dot for graphs & underline for digraphs) Digraphs: le Syllables: bi / cy / cle = 3

biceps b-i-c-e-p-s Sounds: 6 (dot for graphs & underline for digraphs) Syllables: bi / cepts = 2

bikini b-i-k-i-n-i Sounds: 6 (dot for graphs & underline for digraphs) Syllables: bi / kin / i = 3

bilingual b-i-l-i-ng-u-a-l Sounds: 8 (dot for graphs & underline for digraphs) Digraphs: ng Syllables: bi / ling / ual = 3

triangle t-r-i-a-ng-le Sounds: 6 (dot for graphs & underline for digraphs) Digraphs: ng le Syllables: tri / ang / le= 3

triplets t-r-i-p-l-e-t-s Sounds: 8 (dot for graphs & underline for digraphs) Syllables: trip / lets = 2

trilingual t-r-i-l-i-ng-u-a-l Sounds: 9 (dot for graphs & underline for digraphs) Digraphs: ng Syllables: tri / ling / al = 3

quadrangle qu–a-d-r-a-ng-le Sounds: 7 (dot for graphs & underline for digraphs) Digraphs: qu, ng, le Syllables: quad / rang / le = 3

quadraceps qu–a-d-r-a-c-e-p-s Sounds: 9 (dot for graphs & underline for digraphs) Digraphs: qu Syllables: quad / ra / ceps = 3

pentagon p-e-n-t-a-g-o-n Sounds: 8 (dot for graphs & underline for digraphs) Syllables: pent / a / gon = 3

pentathlon p–e-n-t-a-th-l-o-n Sounds: 9 (dot for graphs & underline for digraphs) Digraphs: th Syllables: pent / ath / lon = 3

hexagon h-e-x-a-g-o-n Sounds: 7 (dot for graphs & underline for digraphs) Syllables: hex / a / gon = 3

heptathlon h–e-p-t-a-th-l-o-n Sounds: 9 (dot for graphs & underline for digraphs) Digraphs: th Syllables: hept / ath / lon = 3

octagon o-c-t-a-g-o-n Sounds: 7 (dot for graphs & underline for digraphs) Syllables: oct / a / gon = 3

nonagon n-o-n-a-g-o-n Sounds: 7 (dot for graphs & underline for digraphs) Syllables: non / a / gon = 3

decade d-e-c-a-d-e Sounds: 6 (dot for graphs & underline for digraphs) Syllables: dec / ade = 2

decagon d-e-c-a-g-o-n Sounds: 7 (dot for graphs & underline for digraphs) Syllables: dec / a / gon = 3

� Bicycle

� Biceps

� Bikini

� Bilingual

� Triangle

� Triplets

� Trilingual

� Quadrangle

� Quadriceps

� Pentagon

� Pentathlon

� Hexagon

� Heptathlon

� Octagon

� Nonagon

� Decade

� Decagon

Number Prefixes – bi, tri, quad, pent, hex, hept, oct, non, dec � Bicycle � Pentathlon � Bikini � Heptagon � Biceps � Bilingual � Triangle � Trilingual � Quadrangle � Quadriceps � Pentagon � Hexagon � Octagon � Nonagon � Decade � Decagon

Meanings � � � � Bicycle Biceps Bikini Bilingual Triangle Trilingual Quadrangle Quadriceps Pentagon Pentathlon Hexagon Heptagon Octagon Nonagon Decade Decagon

Meanings match � Meanings here � Words here so teachers can draw a line together as a class to match them up