Unit 3

Word Problems

100

Bill has 2/3 cups of flour and 4/8 cups of sugar. The total cups of dry ingredients is_________

7/6 or 1.17 cups

200

8 t-shirts at $5.99 each and 2 pairs of pants at $32.99 each makes a total of _____________

$113.90

300

Diego cuts a 16 foot long board into how many 3 1/5 foot long pieces?

5 pieces

400

Jose buys a bag of chips for $6.32. He splits the cost with his 2 friends. The amount of money each person pays for the chips is about _______________

$ 2.11

500

Ana is 6 feet tall and her friend is 4.5 feet tall. The difference between the heights is ___________

1.5 feet

Powers of 10

100

Write as a fraction:  10^-2

1/100

200

Write as a decimal: 10^-2

.01

300

IF 1/10000 = 10^-4, THEN 1/100000 =______

10^-5

400

0.001 = what fraction?

1/1000

500

1/10  *  1/10 = 10^{??? (}What power of 10?)

-2

Perfect Squares

100

Is 34 a perfect square?

NO

200

13²  =______

169

300

Square root of 36 =______

6

400

The perfect squares in the group of numbers are_______

12, 144, 81, 34, 265, 324, 9

144, 81, 324, 9

500

If the AREA of a square is 49, the side of the square is_______ in length.

7

Compare & Order

100

 <, >, or =

1/2    ______     50%

=

200

< , > , or =

72.5% _____  2/3

>

300

Put in Ascending Order:

5%, -5/6, 2.9 X 10⁶

-5/6, 5%, 2.9 X 10⁶

400

Put in Descending Order:

7%, 1/3, 5.2 X 10^-8, 

1/3, 7%, 5.2 X 10^-8

500

Which number is the LEAST?

1.33, 1/3, 33%

33%

Order of Operations

100

The FIRST thing you do in the ORDER OF OPERATIONS is______________

PARENTHESIS (whatever is in the parenthesis)

200

The absolute value of -17 is______

17

300

7² - 4² =_________

33

400

When you just have multiply and divide in the problem, the rule is to do them from ________to_______.

left to right

500

You ALWAYS multiply and divide BEFORE you___________________and______________

add and subtract