2005 Elimination

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05 elimination

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 _________ 4. How many

times as great is theunderlined 4 in 45,642 thanthe 4 that is

 not underlined?

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 _________ 5. Round to the

nearest thousand andestimate 6,123 + ,512 +

4,123.

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 _________ 8. Write 5x105 +

7x104 + 9x102 + 7x10 + 5 as onenumber.

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 _________ !. "se e#$onents

to write 3!60 as a $rodu%to& its $rime &a%tors.

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 _________ 10. 'hat is the

smallest $rime num(erlarger than 100.

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 _________ 11. How many

$rime num(ers are there(etween 20 and 40?

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 _________ 1. ) garden is 5

m long and 3 * m wide.ind its $erimeter.

•  

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 _________ 1-. 'hat is the

area o& the garden in #17

?

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 _________ 1!. ita multi$lied

4.2 # 56.! with a %al%ulatorand got 242!63 (e%auseshe &orgot

to $ut the de%imal $oints.'hat is the %orre%t answer?

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 _________ 20. /wo num(ers

are in the ratio 35 and theirsum is 112. ind the (iggernum(er

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 _________ 21. /onton $i%ed

23 mangoes and $ut them60 to a (aset to sell. Howmany

mangoes were not in a &ull(aset?

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 _________ 22. ita %an mae

6 glasses o& drin &rom a%an o& &ruit ui%e. & she hasto $re$are

&or 6 $eo$le, how many%ans o& ui%e does she hae

to (uy?

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 _________ 23. /he lengths o&

the sides o& a triangle are12.3 %m, 15.- %m and 16.5%m.

ind its $erimeter.

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 _________ 24. )n a$$le %osts

-.50. How many %an you(uy with a 100(ill?

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 _________ 25. ) 7.8. tea%her

has 61 $u$ils. 9he told themto line u$ in rows o& !. Howmany

$u$ils are in the lastin%om$lete row?

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 _________ 26. & ! : -4,

what is ?

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 _________ 30. ;ne side o& a

regular de%agon is 12 dm.'hat is its $erimeter?

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 _________ 33. <ing has a 10

m $ie%e o& string. He %ut&rom a 3 = m $ie%e andanother

2 1> m $ie%e. How mu%hstring remained?

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 _________ 34. 'hat is the

ratio o& 25 dm to 4 = m?

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 _________ 35. uring a

storm, 12 out o& the 40students in a %lass werea(sent. 'hat $er%ent o& the

%lass was a(sent?

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 _________ 36. ) dress

mared 1-5 was (ought ata sale at 15@ dis%ount. Howmu%h was

$aid &or it?

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 _________ 3. 144 is 32

$er%ent o& what num(er?

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 _________ 3-. /he sum o& three%onse%utie $ages o& a (oo is 534.

'hat is the middle $age?

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 _________ 3-. /he sum o&

three %onse%utie $ages o&a (oo is 534. 'hat is themiddle $age?

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 _________ 3!. 'hat is the

total sur&a%e area o& a%losed wooden (o#, 1.5 mlong, 0.4 m wide, and 0.- m

high?

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 _________ 40. ) $ie%e o&

%artolina is 42 %m (y 32 %m.How many %ir%les o& radius5 %m %an

 (e %ut &rom it?

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 _________ 41. /he (ases o& a

tra$eAoidal Beld are 1-6 mand 142 m. /he distan%e(etween

them is !5 m. How manyhe%tares is the Beld?

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 _________ 42. /he area o& a

ta(le %loth is 6.3 mC. & thewidth is 1.- m, what is thelength?

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 _________ 43. 'hat is in ,

!, 12, 16, 21, 2, .

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 _________ 44. ) endor

(ought 120 watermelons at732 ea%h. He sold them at a$roBt o& [email protected] his $roBt.

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 _________ 45. /he s%ale o&

the $lan o& a house is 2 %mto 1 m. ;n the $lan, a roomis %m

 (y 6 %m. 'hat is a%tualarea o& the room?

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 _________ 46. ) &amily has a

monthly in%ome o& 12,000.;n a %ir%le gra$hre$resenting their (udget,

how many degrees will (ethe se%tor &or &ood i& they

s$end 4200 a month &or&ood?

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 _________ 4. ind two

num(ers with a sum o& 50and a diDeren%e o& 14.

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 _________ 4-. /he erte#

angle o& an isos%elestriangle is 5-o. ind ea%h(ase angle.

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 _________ 4!. n a 100item

test, Ri%y did not answer 6Euestions. His num(er o&%orre%t answers is 4 more

than 4 times his mistaes.How many %orre%t answers

did he get?

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 _________ 50. /he (ase o& an

isos%eles triangle is 4 %mmore than a leg. & the$erimeter is

5- %m, Bnd the (ase.