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Name _______________________________ Weekly Homework – CRCT Practice March 23-27, 2015 Monday 1. The wolf population of a park was 200 in the year 2000. It increased by 20% from 2000 to 2005. It increased by 15% from 2005 to 2010. What was the wolf population in the park in 2010? A 235 C 270 B 253 D 276 2. The expression 12x + 3 gives the cost of buying x DVDs from Movie Mania. How much does it cost to buy 3 DVDs from Movie Mania? A B $18 $36 C $39 D $45 3. What is the solution of the equation m = - 12 4 A B C D m = 16 m = - 48 4. Tom swims one lap every 5 minutes. Rob swims one lap every 4 minutes. If they start together, in how many minutes will they start a lap together again? A 9 C 20 B 10 D 40 5. What is the greatest common factor (GCF) of 24 and 36? A2 C 12 B6 D 18 6. For every 3 scarves that Kendall knits, Rhonda can knit 4 hats. When Kendall has knit 15 scarves, how many hats will Rhonda have knit? 3 4 A 20 B 24 7. Peter has 6 8 9 ? 12 ? C 30 D 60 3 4 yard of fabric. Robert has yard of 5 7 fabric. How much more fabric does Peter have? A 13 35 9. Which expression best represents the value of y? x 2 4 6 8 10 y 1 2 3 4 5 A B x -1 2x B 43 35 C x ÷ 2 D x+1 10. What is the least common multiple (LCM) of 2, 3, and 5? A 20 B 30 m= - 3 m = 15 Kendall Rhonda Tuesday 8. What is the prime factorization of 84? A 3•4•7 C 22 • 3 • 7 2 B 2•3 •7 D 23 • 3 • 7 C D 60 120 11. Lauren waters her plants every 6 days. She gives them fertilizer every 10 days. If she does both jobs today, how long will it be until the next time she does both jobs on the same day? A 10 days C 30 days B 16 days D 60 days 12. What is the equivalent decimal form of A 0.008 B 0.08 12 ? 15 C 0.8 D 12.15 13. What is the solution of the equation 15 = x - 12? A x= 3 C x = 17 B x = 12 D x = 27 14. Tomas has 8 has 2 5 feet of fishing line and Mike 10 1 feet of fishing line. How many feet of 2 fishing line do they have together? A 6 B 10 C 10 D 11 1 2 Thursday Wednesday 23. Willy is 25 inches tall. His brother Carlos is 15. Which represents the quotient? 3 5 − ÷ − 5 3 A 1 𝟗 B − 𝟐𝟓 2 Carlos’s height? C–1 𝟗 D 𝟐𝟓 A 23 inches B 50 inches 16. Cheryl bought 3 books for $5.25 each. She also bought a pack of construction paper for $3.99. How much did Cheryl spend in all? A $9.24 C $19.74 B $15.75 D $27.72 3 2 and ? 8 9 43 C 72 11 D 1 16 1 12 5 B 17 A 0.04 B 0.25 24. What is the greatest common factor (GCF) of 12, 36, and 20? A 2 C 6 B 4 D 12 25. In Mrs. Kendall’s class A 0.08 B 0.8 18. Which expression will result in a negative product? A (0.1)(- 10) C (- 1)(- 5) B 0 • - 45 D (- 0.5)(0) 19. What is the equivalent decimal form of C 25 inches D 56 inches 12 of the students 15 prefer tennis to basketball. Which decimal shows the part of the class that prefers tennis to basketball? 17. What is the product of A 1 times as tall. Which is the best estimate of 4 1 ? 25 C 0.4 D 1.25 20. The expression n2 - 3 gives the number of tiles in row n of a pattern. How many tiles are in row 7? A 4 C 16 B 12 D 46 21. Titan, the largest moon of Saturn, has a surface temperature of about - 178⁰ C. Some scientists believe this moon contains ice water. The melting temperature of water is 0⁰ C. By how much must the surface temperature of Titan change to melt any ice water? A - 178 ⁰ C C 178⁰ C B 0⁰ C D 356⁰ C C 1.25 D 8.0 1 ft long. He 2 3 cuts the ribbon into pieces that are each ft long. 4 26. Jerome has a ribbon that is 10 How many pieces does he have? A 5 C 12 B 7 D 14 27. The shadow of a 4-foot-tall mailbox is 2 feet long. If the shadow of a tree is 16 feet long, what is the height of the tree? A 18 feet C 32 feet B 24 feet D 64 feet 28. Miranda surveyed her classmates to find out how many brothers and sisters each student has. Which question CANNOT be answered based on the data she collected? A What percentage of students have fewer than 3 brothers and sisters? B How many students have no brothers or sisters? C What is the average number of brothers and sisters? D How many students have an older brother or sister?