One-Step Equations and Inequalities Chapter Six Addition and Subtraction 15 + x = 31 -15 -15 x = 16 n + 9=27 -9 -9 n = 18 d – 11 = 47 + 11 =+11 d =58.

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Presentation transcript:

One-Step Equations and Inequalities Chapter Six

Addition and Subtraction 15 + x = x = 16 n + 9= n = 18 d – 11 = =+11 d =58 r – 8 = r = 21

Alright, let ’ s try it!! x + 5 = 19 w – 14 = 89b + 13 = y = 42f + 15 = 45m – 18 = 13

Multiplication and Division 5a = a = 9 2x = x = 13 n/9 = 4 (9) n/9 = 4(9) n = 36 x/3 = 7 (3) x/3 = 7 (3) x = 21

Alright, let ’ s try it!! 10y = 80h/6 = 812a = 60 r/15 = -10-3e = 36w/4 = 19

Word Problems 1.There were 7 roses in the vase. Nancy cut some more roses from her flower garden. There are now 15 roses in the vase. How many roses did she cut ? 2. Joan is baking a cake. The recipe calls for 9 cups of flour. She already put in 3 cups. How many more cups does she need to add ? 3.Sam found 89 seashells on the beach, he gave Fred some of his seashells. He has 24 seashell left. How many seashells did he give to Fred ? 4. Tom received 80 dollars for his birthday. He went to a sporting goods store and bought a baseball glove, baseball, and bat. He had 14 dollars left over, how much did he spent on the baseball gear ?

Solving addition and subtraction inequalities e + 5 < e < 92 x – 2 > x > g > g > 55 f – 12  f  37

Last one, let ’ s try it!! h + 12 < 87i – 13 > j < 28 k – 939  27m + 29 < 312n – 825  56

Works cited Passing the ISTEP+ Graduation Qualifying Exam in Mathematics, American Book Company Picture 1: Picture 2: gif gif