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EGYPTIAN AMERICAN INTERNATIONAL SCHOOL ELEMENTARY MATH DEPARTMENT Grade 4 2016/2017 Sheet 3.2 Name: ________________________________________ Date: ___ / ___ / _____ Class: ______ Mental Math: Division patterns Question (1): Solve the following A. 3,200 ÷ 8 = ……….. E. 2,700 ÷ 9 = ……….. I. 1,200 ÷ 3 = ……….. B. 560 ÷ 8 = ……….. F. 2,800 ÷ 7 = ……….. J. 18,000 ÷ 3 = ……….. C. 1,000 ÷ 5 = ……….. G. 320 ÷ 4 = ……….. K. 2,500 ÷ 5 = ……….. D. 360 ÷ 9 = ……….. H. 12,000 ÷ 6 = ……….. L. 250 ÷ 5 = ……….. Estimate Quotients Question (2): Estimate Quotients (using compatible numbers) Compatible numbers: a number that can easily be divided using mental math. Steps: A. 563 ÷ 6 B. 389 ÷ 4 C. 358 ÷ 3 D. 315 ÷ 8 E. 312 ÷ 5 F. 256 ÷ 3 G. 610 ÷ 7 H. 784 ÷ 8 1) Use basic multiplication facts to generate compatible numbers. 2) Use mental math to divide and find an estimate. 3) Round to the greatest place value to estimate. (zeros to kick) I. 477 ÷ 6