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Worksheet 1: What is a Variable?, Part 1 Worksheet 6: Evaluating Algebraic Expressions, Part 2 Worksheet 11: Fraction Bar and Order of Operations, Part 2 Worksheet 16: Review of Simplifying Fractions Worksheet 21: Closure Property and Commutative Property Description These worksheets are to be used along with the Algebra 1 Course video lessons. Watch the video lesson to learn the concept, then work these worksheets to test skills. Every worksheet consists of problems that direct follow from what was learned in the video lessons. The worksheets can be used as a test of mastery before moving on to subsequent video lessons in the series. A1© 2014 College Board. All rights reserved.SpringBoard Algebra 1, Unit 1 Practice1.Answers may vary. The year increases by 7 eachtime the occurrence number increases by 1.2.1949, 1956, 1963, 1970, …; the common differenceis 7.3.C4.Answers may vary. A typical person lives to about70 years old; the comet would be visible about7 times during this time.5.19986.Figure 4Figure 5Figure 6Figure NumberNumber of Pennies1123364105156217.8.1, 3, 6, 10, 15, 21, …; no; consecutive terms do notdiffer by the same amount.9. a.nEmilio’s Expression1226312420530642Emilio’s expression does not give the correctnumber of pennies in each figure.b.Emilio’s expression gives values that are twicethe number of pennies in each figure. Therefore,divide Emilio’s expression by 2 (or multiplyby12) to find the correct expression;()+n n12,or12n(n11), orn2(n11).10.C11.Figure 13; Figure 13 contains()13 142591 pennies,so you will have 9 pennies left over. Figure 14requires()14 1525105 pennies, which is more thanyou have.12.a.210.50mb.210.50m57.50; 11 miles20251510512345678910yxFigure NumberNumber of PenniesAnswers to Algebra 1 Unit 1 Practice |