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Know Your Number Prefixes

In this worksheet, students practise spelling words that begin with prefixes indicating numbers.

'Know Your Number Prefixes' worksheet

Key stage:  KS 2

Curriculum topic:  Reading: Word Reading

Curriculum subtopic:  Root Word Awareness

Difficulty level:  

Worksheet Overview

QUESTION 1 of 10

Many words have prefixes that indicate numbers.

for example:

quadruped = an animal with four legs

biplane = an aeroplane with two sets of wings

 

These prefixes often come from Latin or Greek and include the following:

mono = one

bi = two

tri = three

quart / quad = four

quin = five

sex / hex = six

sept / hept = seven

oct = eight

non = nine

dec = ten

cent = one hundred

mille = one thousand

 

Knowing the meaning of parts of a word can be helpful with spellings.

Read the following definition of a word that begins with a number prefix and write the word in the answer box.

(You may need to use a dictionary to help you with spellings.)

 

A flat shape with eight edges

Read the following definition of a word that begins with a number prefix and write the word in the answer box.

(You may need to use a dictionary to help you with spellings.)

 

Three babies born to the same mother at the same time

Read the following definition of a word that begins with a number prefix and write the word in the answer box.

 

A group of four singers or instrumentalists

Read the following definition of a word that begins with a number prefix and write the word in the answer box.

 

A period of one hundred years

Read the following definition of a word that begins with a number prefix and write the word in the answer box.

 

A sporting competition in which athletes take part in seven different events

Read the following definition of a word that begins with a number prefix and write the word in the answer box.

 

Having the ability to speak two languages fluently

Read the following definition of a word that begins with a number prefix and write the word in the answer box.

 

The month that used to be the seventh in the year

Read the following definition of a word that begins with a number prefix and write the word in the answer box.

 

a creature that was believed to have one hundred legs

Read the following definition of a word that begins with a number prefix and write the word in the answer box.

 

A period of one thousand years

Read the following definition of a word that begins with a number prefix and write the word in the answer box.

 

A speech in a play presented by a single character

  • Question 1

Read the following definition of a word that begins with a number prefix and write the word in the answer box.

(You may need to use a dictionary to help you with spellings.)

 

A flat shape with eight edges

CORRECT ANSWER
Octagon
EDDIE SAYS
Let's do this! A word that starts with 'oct' normally refers to the number eight. An 'octopus' is a sea animal with eight legs.
  • Question 2

Read the following definition of a word that begins with a number prefix and write the word in the answer box.

(You may need to use a dictionary to help you with spellings.)

 

Three babies born to the same mother at the same time

CORRECT ANSWER
Triplets
EDDIE SAYS
Great effort! A word that starts with 'tri' refers to the number three. A 'tricycle' is a bike with three wheels.
  • Question 3

Read the following definition of a word that begins with a number prefix and write the word in the answer box.

 

A group of four singers or instrumentalists

CORRECT ANSWER
Quartet
EDDIE SAYS
The prefix 'quar' refers to the number four. A 'quarter' is when something is split into four equal pieces. Keep up the super effort!
  • Question 4

Read the following definition of a word that begins with a number prefix and write the word in the answer box.

 

A period of one hundred years

CORRECT ANSWER
Century
EDDIE SAYS
You've got this! Try to remember the number prefix's you were introduced to in the introduction. You can always use a dictionary to help.
  • Question 5

Read the following definition of a word that begins with a number prefix and write the word in the answer box.

 

A sporting competition in which athletes take part in seven different events

CORRECT ANSWER
Heptathlon
EDDIE SAYS
The number prefix 'hep' refers to the number seven. A 'heptathlon' is when athletes have to complete seven events.
  • Question 6

Read the following definition of a word that begins with a number prefix and write the word in the answer box.

 

Having the ability to speak two languages fluently

CORRECT ANSWER
Bilingual
EDDIE SAYS
Did you get it right? If you are 'bilingual' you can speak two different languages.
  • Question 7

Read the following definition of a word that begins with a number prefix and write the word in the answer box.

 

The month that used to be the seventh in the year

CORRECT ANSWER
September
EDDIE SAYS
It is believed that the Roman Emperors Julius Caesar and Caesar Augustus wanted months names after them, so July and August were added to the calendar, moving September (and the rest of the months following) back two places.
  • Question 8

Read the following definition of a word that begins with a number prefix and write the word in the answer box.

 

a creature that was believed to have one hundred legs

CORRECT ANSWER
Centipede
EDDIE SAYS
Although the prefix 'cent' refers to the number 100. Centipedes do not actually have one hundred legs.
  • Question 9

Read the following definition of a word that begins with a number prefix and write the word in the answer box.

 

A period of one thousand years

CORRECT ANSWER
Millennium
EDDIE SAYS
The prefix 'mille' can be confusing to English speakers because is sounds like 'million', but in other European languages it means one thousand.
  • Question 10

Read the following definition of a word that begins with a number prefix and write the word in the answer box.

 

A speech in a play presented by a single character

CORRECT ANSWER
Monologue
EDDIE SAYS
High five! The number prefix 'mono' refers to the number 1.
---- OR ----

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