Estimating Quotients
Compatible Numbers Estimate: 5,903 6 = 6,000 6= Estimate: 867 9= Numbers that are easy to compute mentally. 1, =100
Estimate , =80 7,200 8 = 900
Estimate , =100 4,0008 =500
Estimate 12, , ,000 6 =2,000 24,000 6 =400
Estimate /7 700/7= /4 400/4= /5 550/5= /4 160/4= ,089/8 8,000/8= ,899/ ,973/7 7,000/7=7,000 14,000/7=2,000
51,989 2,000/5= 2, ,587 24,000/6=4, ,789 2,000/5= ,751 16,000/8= ,598 33,000/3=11, ,641 14,000/2=2,000