Grade 7 Math Assignment - Ms. Mandeville



Grade 7 Math In-Class AssignmentUnit 1 – Patterns and RelationsSection 1.1 to 1.5September, 2012Total: 45 pointsName: ________________Part A: Multiple Choice: Place the letter of the correct answer in the space at the right.[12 points]1. Which number is divisible by 6?1. _____A. 241B. 139C. 526D. 6122. Which number would you put in the _ to make the number 27_8 divisible by 4?2. _____A. 5B. 3C. 2D. 13. The correct algebraic expression for the statement “4 less than twice a number” is 3. _____A. 4 – 2nB. 8 – 2nC. 4n – 2D. 2n – 4 4. Evaluate the algebraic expression 2 + 3n when n = 4.4. _____A. 14B. 34C. 36 D. 165. An algebraic expression has a numerical coefficient of 5, a constant term 3 and 5. _____a variable n. What is the algebraic expression?A. 3 + 5nB. 35nC. 5 + 3nD. 53n6. Evaluate the algebraic expression , when n = 10.6. _____A. 2B. 8C.12D. 6Part B:Completion:Complete all questions in the space provided. Show detailed working and give detailed explanations.1. A. In the box below, draw a Venn diagram with 2 loops.[5 points]Label the loops “Divisible by 2” and “Divisible by 9”.Place these numbers in the correct loop:216, 112, 306, 427, 765, 271, 332, 108B. Pat thinks that the numbers in the region where the two loops overlap should also be divisible by another number. What might this number be?[2 points]3. Use divisibility rules to:Write all the multiplication facts for 112.[3 points]List all the factors of 112.[1 point]4. Let n represent the term number.Term Number, n1234Term471013Describe, in words, how the term is related to its term number.[2 points]Write an algebraic expression to represent this relation.[2 points]5. The cost to buy pictures includes a $20 setting fee plus $5 for every picture you purchase.Write an algebraic expression to represent the cost of buying p pictures.[2 points]B. What would it cost to buy 5 pictures?[2 points]C. Suppose the sitting fee was doubled, what would the algebraic expression for the cost of buying p pictures be now? [2 points]Complete the Input/Output tables.[4 points]A. B. InputnOutput10 – n 0246InputnOutput3n -112347. Write the algebraic expression for the relation in each Input/Output table.[8 points]A. B. InputnOutput18216324332540InputnOutput16211316421526C. D. InputnOutput1328313418523InputnOutput3193155217279 ................
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