Name ____________________ Time: ________ Date ___ / ___ / ___ Score ________ AddSeqEven (Number Dojo Level 149) Middle School Worksheet Set E Instructions: Give yourself 5 minutes to complete as many problems as you can. Score this worksheet like a Number Sense test, giving yourself 5 points for every correct answer, less 4 points for every skipped or incorrect answer. High score is a 200. 1) 2) 3) 4) 5) 6) 7) 8) 9) 10) 11) 12) 13) 14) 15) 16) 17) 18) 19) 20) 2 + 4 + 6 + 8 + … + 50 = ________ The sum of the first 15 positive even integers is __ 2 + 4 + 6 + 8 + … + 12 = ________ The sum of the first 8 positive even integers is ___ 2 + 4 + 6 + 8 + … + 40 = ________ The sum of the first 11 positive even integers is __ The sum of the first 16 positive even integers is __ 2 + 4 + 6 + 8 + … + 16 = ________ 2 + 4 + 6 + 8 + … + 48 = ________ The sum of the first 7 positive even integers is ___ The sum of the first 14 positive even integers is __ 2 + 4 + 6 + 8 + … + 32 = ________ 2 + 4 + 6 + 8 + … + 44 = ________ 10 + 8 + 6 + 4 + 2 = __________ The sum of the first 18 positive even integers is __ 2 + 4 + 6 + 8 + … + 18 = ________ 2 + 4 + 6 + 8 + … + 52 = ________ The sum of the first 10 positive even integers is __ 2 + 4 + 6 + 8 + … + 36 = ________ 2 + 4 + 6 + 8 + … + 100 = _______ __ 2 + 4 + 6 + 8 + … + 42 = ________ 2 + 4 + 6 + 8 + … + 26 = ________ The sum of the first 9 positive even integers is ___ The sum of the first 17 positive even integers is __ 2 + 4 + 6 + 8 + … + 14 = ________ The sum of the first 13 positive even integers is __ 2 + 4 + 6 + 8 + … + 34 = ________ 2 + 4 + 6 + 8 + … + 20 = ________ The sum of the first 20 positive even integers is __ The sum of the first 6 positive even integers is ___ 2 + 4 + 6 + 8 + … + 38 = ________ 2 + 4 + 6 + 8 + … + 54 = ________ 30 + 28 + 26 + … + 4 + 2 = ______ 2 + 4 + 6 + 8 + … + 24 = ________ 2 + 4 + 6 + 8 + … + 46 = ________ The sum of the first 12 positive even integers is __ 2 + 4 + 6 + 8 + … + 28 = ________ 2 + 4 + 6 + 8 + … + 22 = ________ 2 + 4 + 6 + 8 + … + 30 = ________ 21) The sum of the first 19 positive even integers is 22) 23) 24) 25) 26) 27) 28) 29) 30) 31) 32) 33) 34) 35) 36) 37) 38) 39) 40) - - - - - - - - - - - - - - - Fold the bottom portion under - - - - - - - - - - - - - - Answer Key 1) 2) 3) 4) 5) 6) 7) 8) 650 240 42 72 420 132 272 72 9) 10) 11) 12) 13) 14) 15) 16) 600 56 210 272 506 30 342 90 17) 18) 19) 20) 21) 22) 23) 24) 702 110 342 2550 380 462 182 90 25) 26) 27) 28) 29) 30) 31) 32) 306 56 182 306 110 420 42 380 © 2016 by Number Dojo, www.NumberDojo.com 33) 34) 35) 36) 37) 38) 39) 40) 756 240 156 552 156 210 132 240
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