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Estimating Quotients. Compatible Numbers. Numbers that are easy to compute mentally. Estimate: 5,903 6 = 6,000 6= Estimate: 867 9=. 1,000. 900. 9 =. 100. Estimate. 632 8 7,124 8. 600. 8 =. 80. 7,200.
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Compatible Numbers Numbers that are easy to compute mentally. • Estimate: 5,903 6 = 6,000 6= Estimate: 867 9= 1,000 900 9 = 100
Estimate • 632 8 • 7,124 8 600 8 = 80 7,200 900 8 =
Estimate • 513 5 • 3,983 8 500 5 = 100 4,000 8 = 500
Estimate • 12,143 6 • 23,983 6 12,000 6 = 2,000 24,000 6 = 400
8 15,751 5 1,989 2,000 16,000/8= 2,000/5= 400 32,598 3 6 23,587 33,000/3= 11,000 24,000/6= 4,000 7 13,641 1,789 5 14,000/2= 2,000 2,000/5= 400