msna6_dtl_ans - Answers Worksheet 3 Writing Algebraic...

This preview shows page 1 - 3 out of 7 pages.

Answers Copyright © Big Ideas LearningBig Ideas Math Green All rights reserved.Differentiating the Lesson, Answers A1Chapter 1 Worksheet 2A: Evaluating Algebraic Expressions 1.3, 3, 9, 14 2. 18, 18, 13 3.Sample answer:164÷, 4 in each group 4.a.39 b.22 Worksheet 2B: Writing Algebraic Expressions 1.Sample answer:Team K’s bag is heavier than Team W’s bag because they collected more. Because Team K’s bag is 3 pounds heavier, adding 3 pounds to Team W’s side of the scale would make it balance. 3w+2. Sample answer:Because Team M’s bag is heavier, balance the scale by adding more to Team K’s side. Because Team M has twice as much and 4 additional pounds, put 2 bags for Team K and add 4 pounds. 24k+Worksheet 3: Writing Algebraic Expressions 1.5 2.9 3.13 4.17 5.21 6.Sample answers:Add 4 more to 17. (This will not lead to a numerical or algebraic expression.) Multiply wby 4 and add 1. or Start with 5 then add 4 times wminus 1. 7.()4 101+or ()54 101+8.41w+or ()541w+Worksheet 5: Real-Life Application 1.()23d+2. 26d+3.()32dor 36d4.The second option; Sample answer:In the first plan, Grandmother pays ()2 153+, or $36. In the second plan, Grandmother pays ()3 152, or $39. Chapter 2 Worksheet 1A: Developing Fraction Division 1.2; 2 2.8; 8 3.2; 2 4.2; 11248÷=5.4; 11428÷=6.113; 1137.123; 1; 1238.23; 23Worksheet 1B: Developing Fraction and Mixed Number Division 1.6; 6 2.3; 3 3.12; 18; 12 4.2; 112; 2 5.5; 111544÷=6.213; 2137.152; 1528.225; 58; 225KWMKK
Answers Big Ideas Math GreenCopyright © Big Ideas LearningDifferentiating the Lesson, Answers All rights reserved.A2Worksheet 2A: Dividing Fractions Using a Visual Model 1.6 2.3 3.15 4.8 5.3 6.142Worksheet 2B: Dividing Fractions Using Multiplication and Division 1.34; 5; 4; 3; 2632.6 3.20 4.12725.285Worksheet 2C: Dividing Fractions Using Reciprocals 1.2 2.323.23; 8 4.5; 835.3812222555×==6.3211710222×==7.1442212×==8.8216135155×==9.1410140111571053×==10.355838×=Worksheet 2D: Dividing with Mixed Numbers 1.38;832413824×==2.47; 742814728×==3.18; 8181188×==4.421; 21484142184×==5.34; 27; 11 6.1937.1188.8159.2 10.2027Worksheet 3: Discovering an Alternative Division Method 1.2252. 11023.2 4. 1355. 1136. 587.(1) 12 5,88; (2) 21 2,33; (3) 2 1,4 4; (4) 165,10 10; (5) 28 21,30 30; (6) 15 24,40 408.Sample answer:Just divide the numerator of the first fraction by the numerator of the second fraction. 9.Check students’ work. 10.Yes, the method works. You need to write each mixed number as an improper fraction before you find the common denominator. 11.Sample answer:The reciprocal method because you just need to rewrite the divisor and then multiply. With the common denominator method, you find a common denominator first and then divide.

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture