ordinal-numbers.doc

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FORMATION RULES• Usually they all add –th to the cardinal number.

o Ex: tenth, fourth, sixth…

• Ending –y, change to –ieth.

o Ex: twenty twentieth, thirty, forty…

• Ending –t, add only –h.

o Ex: eight  eighth

EXCEPTIONS:

• 1st, 2nd, 3rd, 21st, 22nd, 23rd and 31st are irregulars.

• th, !th, 12th and 2!th suffer small irregularities.

1. COMPLETE .

a" 23rd  ################# h" ###### forty$second

b" 2th  ################# i" ######  sixty$ sixth

c" 31st  ################# %" ######  se&enty$ first

d" 'th  ################# (" ######  ninety$ third

e" 12th  ################# l" #####  fiftieth

f" 2)th  ################ m" ###### thirteenthg" th  ################# n" #####  twenty$ ninth

2. READ AND COMPLETE .

 Joe is faster than Billy. Billy is faster than Sarah and Jane. Jane is slower than Sarah, but Mary is faster thaneverybody.

1. *oe is##########

2. *ane is ##########

3. +ary is #########

'. arah is ##########

. -illy is ###########

3. READ AND COMPLETE.

ORDINAL NUMBERS

1st first 16th sixt!th

2!" s#$!" 1%th s&!t!th

3r" thir" 1'th i(ht!th

)th f$*rth 1+th !i!t!th

,th fifth 2-th t!tith

6th sixth 21st t!t/0first

%th

s&!th 22!"

t!t/0s#$!"'th i(hth 23r" t!t/0thir"

+th !i!th 2)th t!t/0f$*rth

1-th t!th 2,th t!t/0fifth

11th &!th 26th t!t/0sixth

12th tfth 2%th t!t/0s&!th

13th thirt!th 2'th t!t/0i(hth

1)th f$*rt!th 2+th t!t/0!i!th

1,th fift! 3-th thirtith

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1. -eths birthday is the ########### of###########

2. /oms birthday is the ########### of ###########

3. +y birthday is the ############ of ###########

'. +y teachers birthday is the#########of #########

. +y friends birthday is the########## of ##########

0. +y mums birthday is the ########## of ##########

. +y dads birthday is the ########## of ##########

. ############### is the third month of the year.

!. o&ember is the ############# month of the year.

2. READ AND COMPLETE .

 Joe is faster than Billy. Billy is faster than Sarah and Jane. Janeis slower than Sarah, but Mary is faster than everybody.

1. *oe is##########

2. *ane is ##########

3. +ary is #########

'. arah is ##########

. -illy is ###########

3. READ AND COMPLETE.

1. -eths birthday is the ########### of###########

2. /oms birthday is the ########### of ###########

3. +y birthday is the ############ of ###########

'. +y teachers birthday is the#########of #########

. +y friends birthday is the########## of ##########

0. +y mums birthday is the ########## of ##########

. +y dads birthday is the ########## of ##########

. ############### is the third month of the year.

!. o&ember is the ############# month of the year.

4'

314

124!

4'

314

124!