Chapter 8

Estimate each value using the method of rounding. After you have made an estimate, find the exact value. Compare the exact and estimated values. Results may vary. $$ 8,305+484 $$

Use the distributive property to compute each value. $$ 80 \cdot 58 $$

Use the clustering method to estimate each sum. Results may vary. $$ 41+28+42+37 $$

Estimate the quotient: \(221 \div 18\).

Estimate each value. After you have made an estimate, find the exact value. Results may vary. \((\) Section 8.2\() 307.006+198.0005\)

Estimate each value using the method of rounding. After you have made an estimate, find the exact value. Compare the exact and estimated values. Results may vary. $$ 3,812+2,906 $$

Estimate each sum or difference using the method of rounding. After you have made an estimate, find the exact value of the sum or difference and compare this result to the estimated value. Result may vary. \(\frac{15}{16}+\frac{1}{12}\)

Use the distributive property to compute each value. $$ 65 \cdot 62 $$

Use the clustering method to estimate each sum. Results may vary. $$ 89+32+89+93 $$

Estimate the quotient: \(4,079 \div 381\).

Estimate each value. After you have made an estimate, find the exact value. Results may vary. \((\) Section 8.2\()(47.2)(92.8)\)

Estimate each value using the method of rounding. After you have made an estimate, find the exact value. Compare the exact and estimated values. Results may vary. $$ 5,293+8,007 $$

Estimate each sum or difference using the method of rounding. After you have made an estimate, find the exact value of the sum or difference and compare this result to the estimated value. Result may vary. $$ \frac{29}{30}+\frac{11}{20} $$

Use the distributive property to compute each product. \(15 \cdot 13\)

Estimate the quotient: \(609,000 \div 16,000\).

Estimate each value. After you have made an estimate, find the exact value. Results may vary. (Section 8.3) \(58+91+61+88\)

Estimate each value using the method of rounding. After you have made an estimate, find the exact value. Compare the exact and estimated values. Results may vary. $$28,481+32,856$$

Estimate each sum or difference using the method of rounding. After you have made an estimate, find the exact value of the sum or difference and compare this result to the estimated value. Result may vary. \(\frac{5}{12}+6 \frac{4}{11}\)

Use the distributive property to compute each product. \(15 \cdot 14\)

Estimate the sum: \(61.02+26.8\).

Estimate each value. After you have made an estimate, find the exact value. Results may vary. \((\) Section 8.3) \(43+39+89+92\)

Estimate each value using the method of rounding. After you have made an estimate, find the exact value. Compare the exact and estimated values. Results may vary. $$ 92,512+26,071 $$

Estimate each sum or difference using the method of rounding. After you have made an estimate, find the exact value of the sum or difference and compare this result to the estimated value. Result may vary. $$ \frac{3}{7}+8 \frac{4}{15} $$

Use the distributive property to compute each product. \(25 \cdot 11\)

Estimate the sum: \(109.12+137.88\).

Estimate each value. After you have made an estimate, find the exact value. Results may vary. (Section 8.3) \(81+78+27+79\)

Estimate each value using the method of rounding. After you have made an estimate, find the exact value. Compare the exact and estimated values. Results may vary. $$ 87,612+2,106 $$

Estimate each sum or difference using the method of rounding. After you have made an estimate, find the exact value of the sum or difference and compare this result to the estimated value. Result may vary. \(\frac{9}{10}+2 \frac{3}{8}\)

Use the distributive property to compute each product. \(25 \cdot 16\)

Use the clustering method to estimate each sum. Results may vary. $$ 57+34+28+61+62 $$

Estimate the product: (47.8)(21.1)

Estimate each value. After you have made an estimate, find the exact value. Results may vary. \((\) Section 8.3) \(804+612+801+795+606\)

Estimate each value using the method of rounding. After you have made an estimate, find the exact value. Compare the exact and estimated values. Results may vary. $$ 42,612+4,861 $$

Estimate each sum or difference using the method of rounding. After you have made an estimate, find the exact value of the sum or difference and compare this result to the estimated value. Result may vary. $$ \frac{19}{20}+15 \frac{5}{9} $$

Use the distributive property to compute each product. \(15 \cdot 16\)

Estimate \(32 \%\) of 14.88 .

For problems 17-21, use the distributive property to obtain the exact result. \((\) Section 8.4\() 25 \cdot 14\)

Estimate each value using the method of rounding. After you have made an estimate, find the exact value. Compare the exact and estimated values. Results may vary. $$ 212,413+609 $$

Estimate each sum or difference using the method of rounding. After you have made an estimate, find the exact value of the sum or difference and compare this result to the estimated value. Result may vary. \(8 \frac{3}{5}+4 \frac{1}{20}\)

Use the distributive property to compute each product. \(35 \cdot 12\)

Estimate each calculation using the method of rounding. After you have made an estimate, find the exact value and compare this to the estimated result to see if your estimated value is reasonable. Results may vary. $$ 1.402+2.198 $$

Use the distributive property to obtain the exact result. \((\) Section 8.4) \(15 \cdot 83\)

Estimate each value using the method of rounding. After you have made an estimate, find the exact value. Compare the exact and estimated values. Results may vary. $$487,235+494$$

Estimate each sum or difference using the method of rounding. After you have made an estimate, find the exact value of the sum or difference and compare this result to the estimated value. Result may vary. $$ 5 \frac{3}{20}+2 \frac{8}{15} $$

Use the distributive property to compute each product. \(45 \cdot 83\)

Estimate each calculation using the method of rounding. After you have made an estimate, find the exact value and compare this to the estimated result to see if your estimated value is reasonable. Results may vary. $$ 3,481+4,216 $$

Use the distributive property to obtain the exact result. \((\) Section 8.4) \(65 \cdot 98\)

Estimate each value using the method of rounding. After you have made an estimate, find the exact value. Compare the exact and estimated values. Results may vary. $$2,409+1,526$$

Estimate each sum or difference using the method of rounding. After you have made an estimate, find the exact value of the sum or difference and compare this result to the estimated value. Result may vary. $$ 9 \frac{1}{15}+6 \frac{4}{5} $$

Use the distributive property to compute each product. \(45 \cdot 38\)