Chapter 8

Estimate each value using the method of clustering. After you have made an estimate, find the exact value. Compare the exact and estimated values. Results may vary. $$ 16+13+24+26 $$

Estimate each value using the method of clustering. After you have made an estimate, find the exact value. Compare the exact and estimated values. Results may vary. $$ 34+56+36+55 $$

Estimate each value using the method of clustering. After you have made an estimate, find the exact value. Compare the exact and estimated values. Results may vary. $$ 14+17+83+87 $$

Estimate each value using the method of clustering. After you have made an estimate, find the exact value. Compare the exact and estimated values. Results may vary. $$ 93+108+96+111 $$

Estimate each value using the method of clustering. After you have made an estimate, find the exact value. Compare the exact and estimated values. Results may vary. $$ 18+20+31+29+24+38 $$

Estimate each value using the method of clustering. After you have made an estimate, find the exact value. Compare the exact and estimated values. Results may vary. $$ 32+27+48+51+72+69 $$

Estimate each value using the method of clustering. After you have made an estimate, find the exact value. Compare the exact and estimated values. Results may vary. $$ 64+17+27+59+31+21 $$

Estimate each value using the method of clustering. After you have made an estimate, find the exact value. Compare the exact and estimated values. Results may vary. $$ 81+41+92+38+88+80 $$

Estimate each value using the method of clustering. After you have made an estimate, find the exact value. Compare the exact and estimated values. Results may vary. $$ 87+22+91 $$

Estimate each value using the method of clustering. After you have made an estimate, find the exact value. Compare the exact and estimated values. Results may vary. $$ 44+38+87 $$

Estimate each value using the method of clustering. After you have made an estimate, find the exact value. Compare the exact and estimated values. Results may vary. $$ 19+18+39+22+42 $$

Estimate each value using the method of clustering. After you have made an estimate, find the exact value. Compare the exact and estimated values. Results may vary. $$ 31+28+49+29 $$

Estimate each value using the method of clustering. After you have made an estimate, find the exact value. Compare the exact and estimated values. Results may vary. $$ 88+86+27+91+29 $$

Estimate each value using the method of clustering. After you have made an estimate, find the exact value. Compare the exact and estimated values. Results may vary. $$ 57+62+18+23+61+21 $$

For problems 91-110, compute each product using the distributive property. \(15 \cdot 33\)

Compute each product using the distributive property. \(15 \cdot 42\)

Compute each product using the distributive property. \(35 \cdot 36\)

Compute each product using the distributive property. \(35 \cdot 28\)

Compute each product using the distributive property. \(85 \cdot 23\)

Compute each product using the distributive property. \(95 \cdot 11\)

Compute each product using the distributive property. \(30 \cdot 14\)

Compute each product using the distributive property. \(60 \cdot 18\)

Compute each product using the distributive property. \(75 \cdot 23\)

Compute each product using the distributive property. \(65 \cdot 31\)

Compute each product using the distributive property. \(17 \cdot 15\)

Compute each product using the distributive property. \(38 \cdot 25\)

Compute each product using the distributive property. \(14 \cdot 65\)

Compute each product using the distributive property. \(19 \cdot 85\)

Compute each product using the distributive property. \(42 \cdot 60\)

Compute each product using the distributive property. \(81 \cdot 40\)

Compute each product using the distributive property. \( 15 \cdot 105 \)

Compute each product using the distributive property. \(35 \cdot 202\)

Compute each product using the distributive property. \(45 \cdot 306\)

Compute each product using the distributive property. \( 85 \cdot 97 \)

For problems 111-125, estimate each sum using the method of rounding fractions. After you have made an estimate, find the exact value. Compare the exact and estimated values. Results may vary. \(\frac{3}{8}+\frac{5}{6}\)

Estimate each sum using the method of rounding fractions. After you have made an estimate, find the exact value. Compare the exact and estimated values. Results may vary. \(\frac{7}{16}+\frac{1}{24}\)

Estimate each sum using the method of rounding fractions. After you have made an estimate, find the exact value. Compare the exact and estimated values. Results may vary. \(\frac{7}{15}+\frac{13}{30}\)

Estimate each sum using the method of rounding fractions. After you have made an estimate, find the exact value. Compare the exact and estimated values. Results may vary. \(\frac{14}{15}+\frac{19}{20}\)

Estimate each sum using the method of rounding fractions. After you have made an estimate, find the exact value. Compare the exact and estimated values. Results may vary. \(\frac{13}{25}+\frac{7}{30}\)

Estimate each sum using the method of rounding fractions. After you have made an estimate, find the exact value. Compare the exact and estimated values. Results may vary. \(\frac{11}{12}+\frac{7}{8}\)

Estimate each sum using the method of rounding fractions. After you have made an estimate, find the exact value. Compare the exact and estimated values. Results may vary. \(\frac{9}{32}+\frac{15}{16}\)

Estimate each sum using the method of rounding fractions. After you have made an estimate, find the exact value. Compare the exact and estimated values. Results may vary. \(\frac{5}{8}+\frac{1}{32}\)

Estimate each sum using the method of rounding fractions. After you have made an estimate, find the exact value. Compare the exact and estimated values. Results may vary. \(2 \frac{3}{4}+6 \frac{3}{5}\)

Estimate each sum using the method of rounding fractions. After you have made an estimate, find the exact value. Compare the exact and estimated values. Results may vary. \(4 \frac{5}{9}+8 \frac{1}{27}\)

Estimate each sum using the method of rounding fractions. After you have made an estimate, find the exact value. Compare the exact and estimated values. Results may vary. \(11 \frac{5}{18}+7 \frac{22}{45}\)

Estimate each sum using the method of rounding fractions. After you have made an estimate, find the exact value. Compare the exact and estimated values. Results may vary. \(14 \frac{19}{36}+2 \frac{7}{18}\)

Estimate each sum using the method of rounding fractions. After you have made an estimate, find the exact value. Compare the exact and estimated values. Results may vary. \(6 \frac{1}{20}+2 \frac{1}{10}+8 \frac{13}{60}\)

Estimate each sum using the method of rounding fractions. After you have made an estimate, find the exact value. Compare the exact and estimated values. Results may vary. \(5 \frac{7}{8}+1 \frac{1}{4}+12 \frac{5}{12}\)

Estimate each sum using the method of rounding fractions. After you have made an estimate, find the exact value. Compare the exact and estimated values. Results may vary. \(10 \frac{1}{2}+6 \frac{15}{16}+8 \frac{19}{80}\)