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Name: Date: October 2015 Whole Numbers Test Review 1. Answer the following questions based on the following number. 89,472,520,091,035,461 Which digit is in the ten trillions place? What is the value of the 8? Which period are the numbers “472” in? What is the place value of the 7? Round the number to the nearest ten trillion. _________________________________ Round the number to the nearest hundred million. ______________________________ Mentally divide the following multiples of 10. Don’t forget commas 2. 3,600 ÷ 200 = 3. 4. 900 180,000 5. 7. Write either a numeral or word for the answer to the following problems 11 11 = 87 = 1 0 = 78 59 ÷ 0 = 30,000 50 = 72,000,000 ÷ 1,200 = _______ 0 35 0 ÷ 31 = 8a. b. ESTIMATE the quotient or product first. Clearly show which numbers you used Then find the ACTUAL QUOTIENT OR ACTUAL PRODUCT. ESTIMATE 29,864 ÷ 14 DIVIDE 1 4 2 9 8 6 4 9. ESTIMATE 809 • 587 MULTIPLY 809•587 While Andrew, Jason, and Jamie worked on their social studies group project together, they got hungry and ordered some food. The large pizza cost $11.79, the hot wings cost $6.38, and the drinks cost $3.43. If the three Andrews split the cost of the meal equally, how much did each boy pay? Show your work clearly, and be sure to express the answer in a complete sentence ANSWER: 10. Write each exponential expression as repeated multiplication a. 204 43 b. 15 (93 72) 11. Write each expression in exponential form. a. 82 9 82 9 9 82 3 3 12. Find the value of each expression. Show your work, watch the signs, and include commas. b. 172 + 170 + 171 a) b) Answer: c) 5777775222 43 102 Answer: 92 – 19 d) Answer: 50 cubed Answer: 12. Calculate and write the answer on the line. a. 870 = __________ b. 25= __________ c. 60 squared = ________ 13. Find the prime factorization of the following numbers by using subsequent division. Show each step clearly. 175 a. prime factorization of 175: ________________ 14. 315 b. prime factorization of 315 ________________ Find the GCF and LCM of the following pairs of numbers. Clearly show each step. a. 112 and 80 b. 45 and 54 GCF: _______ GCF: _________ LCM: _______ LCM:_________ 15. List the factors of the following numbers in order using parentheses. 72 50 16. Write the FIRST 5 multiples for the following numbers: 13 9 FOO word problems 17. Students get $2 off the price of admission at a local museum. If admission is $8 and 5 students and 2 teachers will visit, how much will their admissions cost in all? Show all steps. 18. At Byrne’s Barber Shop, haircuts for boys cost $7 and haircuts for men cost $10. A total of 20 boys and 23 men went to the barber yesterday. The barber decided to spend $13 on lunch, how much did Barber Byrne earn yesterday? 19. Sephora is selling mascara for $19 each and blush for $25 each. Lexi decided to buy 6 tubes of mascara and 8 tubes of blush for her and all of her friends. Lexi had a 10% off the entire purchase coupon. How much did Lexi spend at Sephora?