R4 Estimation with Percents
| __ | 1. | 3% of 312 | | A. | about 800 x 0.1 x 2 = 160 or 800 ÷ 5 = 160 | | __ | 2. | 4% of 798 | | B. | about 900 ÷ 3 = 300 | | __ | 3. | 9% of 798 | | C. | about 900 ÷ 2 = 450 | | __ | 4. | 11% of 312 | | D. | about 800 x 0.1 = 80 | | __ | 5. | 22% of 816 | | E. | about 800 x 0.1 ÷ 2 = 40 | | __ | 6. | 24% of 812 | | F. | about 800 ÷ 4 = 200 | | __ | 7. | 32% of 918 | | G. | about 300 x 1 = 300 | | __ | 8. | 48% of 892 | | H. | about 300 ÷ 3 x 2 = 200 | | __ | 9. | 67% of 312 | | I. | about 300 x 0.1 = 30 | | __ | 10. | 96% of 312 | | J. | about 300 x 0.01 x 3 = 9 |
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