California Mathematics: Concepts, Skills, and Problem by Rhonda J. Moix-Bailey, Roger Day, Patricia Frey

By Rhonda J. Moix-Bailey, Roger Day, Patricia Frey

Quantity operations Rational & actual Numbers styles: Relationships & Algebraic pondering Geometry & Measurements Algebraic considering: Linear & non-Linear services Statics: information research & chance

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See if your answer fits the facts given in the problem. • Compare your answer to your estimate. • You may also want to check your answer by solving the problem again in a different way. • If the answer is not reasonable, make a new plan and start again. 1 GARDENING Refer to the Mini Lab on page 24. The table shows how the number of blue tiles it takes to represent each garden is related to the number of white tiles needed to border the garden. How many white tiles Blue Tiles will it take to border a garden White Tiles that is 10 blue tiles long?

2 c2 _ b-5 7. INSECTS The expression _ + 37 gives the approximate temperature of the c 4 air in degrees Fahrenheit, given the number of chirps c per minute made by a cricket. If Brandon estimates that a cricket has chirped 140 times in the past minute, what is the approximate temperature of the air in degrees Fahrenheit? Name the property shown by each statement. 8. 3(m + n) = 3m + 3n 9. 6(5 · y) = (6 · 5)y 10. State whether the following conjecture is true or false. If false, provide a counterexample.

The turfed area ins ide the bowl measures 79,156 square feet. • The fence around the Rose Bowl is one mile long. • There are over 100 different varieties of ros e bushes situated between the stadium and the fence. • The dimensions of the playing field for footba ll are 53 yd x 100 yd. The dimensions of the pla ying field for soccer are 70 yd x 120 yd. • The stadium itself is approximately 830 fee t abo ve sea level. • It would take approx imately 84,375,000 gal lons of water to fill the Rose Bowl to the rim .

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