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Test I-I Review: Rational Num ers, mating Square Roots, Similar Figures

1. Circle the numbers that are irrational.

9

Know how to classify each area ofthe target

/-ÿp'ÿL] 0 If "ÿ, All Real Numbers

2. List 3 examples of each""9

Integer -- :D )

Natural numbero

Rational number "ÿ )

Irrational Number ÿf-ÿ-O

P j71 sq/

. The x/77 is between what two integers? lÿq "7 -7

. If the area of Allie's square quilt in her room is 140square feet, about how long is each side of

the quilt? ÿ,mÿ -ÿ€.eÿr-, <ÿ ÿ'ÿ'0

bou± lÿbIf she wants to put a lace trim around the edges of the quilt, about how many feet of lace will

nÿ cl oÿeÿ 4ÿ

TTÿq so ifÿ'ÿ

, Write in Standard Form:

she need? ÿ b.OOÿ: ÿ ÿ TtDee-ÿ.- _ Bÿ}.. I

EÿWrite the following numbers in scientific notation:

34,500,000 ÿ.,ÿ .ÿ [ 0 ÿ 4.07 x 10.2 o. oHo'7

1,246,000, 000 l, ÿ)-Lÿ-(ÿ X { O ÿ

0.742 7, l-ÿ"ÿ X 1ÿ!

0.002004 ÿ2. 004 ÿ I 0-5

.3xio-ÿ O: _OO& 3

8.0004 X lO3 (ÿ,O 0 ÿ)ÿ,dkÿ

6. population of China is 1,350,000,000 and the population of Russia is 143,000,000. What is the:tifferenceÿ of their population in scientific notation? l i ÿ'Oj 000j O0 0

-lq 3j oooÿ ÿooI. o 1 ÿ 16ÿ

7. Put the following numbers in order from legist to greatest-).

2ÿ, 8' 2], 2] C-k,bOO'ÿ-vVÿOneÿ Iÿ

8. Place the following numbers in their correct location on the number line:

The table shows Serena's monthly expenses. Order her expenses fromÿgr+eateÿstÿ)

1ÿ% ......................................... '2

:1 +B ,10

,27,07

10. An office building 55 feet tall casts a shadow 30 feet long. How tall is a person standing nearbywho casts a shadow 3 feet long? (Hint: Draw a picture!) 0_ÿ ........ i .. _ ÿ-_t ,/,ÿ

L .+ '

?

11. A fire tower casts a shadow 30 feet long. A nearby tree casts a shadow 8 feet long.How tall is the fire tower if the tree is 20 feet tall? Draw a picture.

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Find the leng

20ÿÿ

sing measures:

8 ft . X "-.,

12 ft 36 ft

15. The small tree is 8 feet high and casts a 12-foot shadow. The large tree casts a 36-foot shadow.

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What is the height of the large tree? Set up a proportion.

16. Estimate to the nearest integer:

be

17. Convert the following: Be able to convert percents, decimals & fractions. Show all work!

O. 125 to a fraction l[OdO ÿ ÿ-'8 ="

,t, r ctu ÷: i-L I#0.12_,5 to a percent iÿ, ÿ %

Z toadecimal O, ÿ758

Z to a percent ÿ 7', 5 ÿ8

sj 7...... .{ÿa.

4ÿ0

'@0

D,ÿ.ÿ5% to a decimal

5% to a fraction5 I

18. The attendance at the Texas A&M football game last week was about 104,500. Therewere about 72,500 in attendance at the Texans game here in Houston last week. What wasthe combined number of sports fans in attendance at the two games, written as a number inscientific notation?

17?)DO0 r-/ i x tO

19. In which of the foliowhÿg lists arethe values of the numbers in orderfrom least to greatest?

A x/ÿ, 26.7, 33

20.

]-;, ÿ6.7, 3', ÿ 7 = t, 71H

D . 318 733, 26.7, -jÿ-, .,fTÿ" D g .= O, ÿ75

3ÿ ÿ0B 26.7, 7vrÿ, 33, 318 B ÿ ..ÿ,12

,752 37%ÿqfich fi'aeÿon is be-ÿ-ÿeen ÿ and ÿ.