University:
Felician University
Course:
MATH-002 | Basic Math Skills-Algebra
Academic year:

2022
Views:

164

Pages:

2
Author:

5CelestialChronicle

Computation of Rational Numbers Name: Answer Key Period: Level 2 1) Vocabulary Sum: Answer to + problem Difference: Answer to - problem Product: Answer to x problem Quotient: Answer to ÷ problem Commutative Property: Order of #'s doesn't matter (5+3=3+5) Associative Property: Order of groupings doesn't matter: (5+3)+2 = 5+(3+2) 2) Write down all the integers between -10 and 10 (Draw a # line if you need!) -10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6 7 8 9 10 Evaluate. (show ALL work to receive credit) - Use another paper 3.) 11 + 9 = 20 4.) 23 - 14 = 9 5.) 7 x 8 = 56 6.) 62 ÷ 9 = 6 8/9 or 6.88 7.) 3 1/8 + 3/4 = 3 7/8 8.) 3 1/8 - 3/4 = 2 3/8 9.) 3 1/8 x 1/4 = 2 1/32 10.) 3 1/8 ÷ 3/4 = 4 1/6 Level 3 Evaluate. Make sure to show work to receive credit. 11.) 1/10 + 3 3/4 = 8 17/20 12.) -17.3 - 8.12 = -9.18 13.) (1/11) ÷ (2/55) = 22 1/2 14. Compare and order the following fractions. 5/10, 3/4, 5/6, 4/3 5/10 < 3/4 < 5/6 < 1 1/3 15.) Mrs. Batt rode her bike at a rate of 12 1/2 miles per hour. If she rode her bike for 3.1 hours, how far did she travel? 38.75 miles OR 38 3/4 miles 16. Mr. Montgomery has $850.33 in his checking account. He deposits $417.00 from his paycheck. The next day he withdraws $500.48. How much money does he have in his account now? $766.85 17. John is keeping statistics for a football game. He is recording the amount of yards gained and lost by his team on 4 downs. Gains are represented by positive numbers and losses are represented using negative numbers. The team started the series on their own 23rd yard line. The table shows the results of each down. Show work. | Down | Yard Gains or Losses | |---|---| | 1 | 7 | | 2 | -15 | | 3 | 16 | | 4 | -3 | Part A: What is the total change in the yards at the end of the 4 downs? Show your work. +5 yards Part B: Explain the meaning of the total you found in Part A. How many yards were gained overall during the game. Part C: What yard line did the team finish on? 28 yard line