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### Grade 5 - Mathematics2.12 Estimating Decimal Products

 Estimate is an amount that is close to another amount but not exact. In the following questions, you are asked to find an approximate value of the product of two decimal numbers. Method: Round the two factors to the nearest integers Perform integer multiplication. Example: 8.345 x 4.983 = ? Rounding the factors gives, 8 x 5 = 40 Therefore, a good estimate of the product of the decimal numbers 8.345 and 4.983 is 40. Answer: 40 Directions: Find the products of the following. Also write at least 10 examples of your own.
 Q 1: Estimate and find the closest answer: 3.1259 x 49.87833 x 50 = 1504 x 50 = 2003 x 40 = 1204 x 40 = 160 Q 2: Estimate to check 7.63 x 9.98 = 76.14747 x 9 = 638 x 10 = 80cannot be estimated7 x 20 =140 Q 3: Estimate to check 1.69 x 9 = 14.212 x 100 =2001 x 9 = 92 x 9 = 18 Q 4: Estimate and find the closest answer: 101 x 1.95101.95100 x 2 = 2001011.95100 x 1.95 = 195 Question 5: This question is available to subscribers only! Question 6: This question is available to subscribers only!