AMC 8 L1: Calculation Tricks

Complete problem set with solutions and individual problem pages

Problem 3 Easy

James read a story book. On the first day, he read 4 pages. From the second day, he read 4 more pages each day than he read on the previous day. On the last day, he read 40 pages. How many pages did he read in total?

  • A.

    210

  • B.

    220

  • C.

    230

  • D.

    240

Answer:B

(40-4)\div4+1=10, (4+40)\times10\div2=220

Related Problems
Problem 1 AMC 8 L1: Calculation Tricks
Problem 2 AMC 8 L1: Calculation Tricks
Problem 4 AMC 8 L1: Calculation Tricks
Problem 5 AMC 8 L1: Calculation Tricks
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