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Unit 4- Review

Unit 4- Review. Write the factors of 32. 1, 32; 2, 16; 4, 8. Write the prime number from the list below:. 4, 13, 21, 15, 51. 13. List the first 5 multiples of 7. 7, 14 21, 28, 35. Write the composite number from the list below:. 13, 19, 17, 81. 81.

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Unit 4- Review

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  1. Unit 4- Review

  2. Write the factors of 32. • 1, 32; 2, 16; 4, 8

  3. Write the prime number from the list below: • 4, 13, 21, 15, 51 13

  4. List the first 5 multiples of 7 7, 14 21, 28, 35

  5. Write the composite numberfrom the list below: • 13, 19, 17, 81 81

  6. Which number pattern shows the rule add 2, multiply by 3? 1, 3, 7, 14, 21 2, 4, 12, 14, 42 3, 6, 18, 20, 56 Answer: 2, 4, 12, 14, 42

  7. Which symbol <, > or = makes the sentence correct? • ( 5 x 4 ) + ( 8 x 8) ( 6 x 4 ) – (2 x3) Answer: >

  8. Write an equation that shows 28 is 4 times as many as 7 and 7 times as many as 4. • 7 x 4 = 28 OR 4 x 7 = 28

  9. Aidan ate three times as many cookies as Caleb. Which equation compares the amount of cookies Aidan ate to the amount Caleb ate? • A = 3 C • A = 3 + C • A = C • C = 3 +A • Answer: A = 3C

  10. Caleb has 3 times as many books (b) as video games (v). Write an equation that compares Caleb’s video games to books. b = 3 x v

  11. Michael has 513 hockey cards and 14 packs of 11 baseball cards. Write an equation to solve how many cards Michael has altogether. (14 x 11) + 513 = c c = ? C = 667 cards

  12. Which statement about 48 is true? It is prime because its only factors are 1 and 48 It is composite because it has more than two factors It is composite because its only factors are 1 and 48 Answer: It is composite because it has more than two factors.

  13. Write a number sentence to show the relationship between football played by third graders and soccer played by third graders S = 2 x f

  14. A wrestling tournament had 632 trophies. There are 213 first place trophies and 199 third place trophies. The rest were second place trophies. Write an equation that can be used to find out how many second place trophies they had. 213 + 199) + s = 632 OR 632 - (213 + 199) = s

  15. Which expression can be used to solve the expression 40 x 85? (40 x 40 ) + (40 x 5) = m (40 x 85) + (40 x 1) = m (40 x 80) + ( 40 x 5) = m (20 x 40) + (10 x 5) = m Answer: (40 x 80) + ( 40 x 5) = m

  16. Solve for b (15 + 5) * ( 5 + 4) = b Answer: ( 20 ) * (9) = b 20 x 9 = 180 b= 180

  17. Complete the pattern: • 7, 2, 10, 5, 25, 20, ____ , ____ , ____ • 7, 2, 10, 5, 25, 20, 100, 95, 475

  18. Complete the pattern:

  19. Jrake caught 20 perch. Mr. Liscaught a unknown amount of perch (p). Jrakecaught 4 times as many perch as Mr. Lis. Write an equation to figure out how many perch(p) Mr. Liscaught. 4p = 20

  20. Hannah earned $56 coloring hair. She earned $26 cutting hair. She bought $20 worth of hair color. How much money did Anna earn after expenses? ($56 + $26) - $20 = a a = $62

  21. Mrs. Beck bought three pairs of shoes that cost $20 each. She also bought 2 pairs of socks that cost $8 each. She gave the cashier $100. How much change should she receive? Answer: (20 x 3) + (8 x 2) = c 60 + 16 = 76 100 - 76 = 24

  22. Mr. and Mrs. Beck, Mr. and Mrs. Darnley and their 6 children are going out to dinner. How many people are going out to dinner? 10

  23. Mr. and Mrs. Beck, Mr. and Mrs. Darnley and their 6 children are going out to the movies.Their children are all under the age of 12. Tickets prices for adults are $12 each. Tickets for children are $8 each. Each of the six children will also buy a bag of popcorn that costs $5. How much will they spend at the movies? (4 x 12) + ( 6 x 8) + ( 6 x 5) = S 48 + 48 + 30 = $126 s= $126

  24. Hailey sold 14 bracelets at $2 each. She sold 20 necklaces at $4 each. Write an equation to figure out how much money she made altogether. (14 x $2) + (20 x $4) = m • Solve for m. • M = $108

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