‘Number prefixes bi, tri, quad, pent, hex, hept, oct, non, dec’ 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 Digraphs: le (dot for graphs & underline for digraphs) Digraphs: le Syllables: bi / cy / cle = 3

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

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

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

triangle t-r-i-a-ng-le Sounds: 6 Digraphs: ng le (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 Syllables: trip / lets = 2 (dot for graphs & underline for digraphs) Syllables: trip / lets = 2

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

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

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

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

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

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

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

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

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

decagon d-e-c-a-g-o-n Sounds: 7 Syllables: dec / a / gon = 3 (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 Biceps Hexagon Bikini Heptagon Bilingual Octagon Triangle Nonagon Trilingual Decade Quadrangle Decagon Quadriceps Pentagon

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