Adding and Subtracting Decimals Answers

Naeem weighs different salad takeout containers. The containers respectively weigh 4.5 ounces, 5.01 ounces, 5.3 ounces, 4.75 ounces, and 4.9 ounces. Which is the best whole number estimate of how much all the containers weigh together?

Which number should replace the ç to make the subtraction problem correct? 9.866- 7.97ç 1.889

Mirele needs to buy fencing to completely surround her backyard pool. How much fencing should she buy?

Ayala biked 12.76 miles on Sunday, 3.45 miles on Monday, and 6.52 miles on Tuesday. Over those three days, about how many miles did she bike in all? Estimate the answer by rounding to the nearest whole number.

Tony buys a CD that is priced at $13.59. He has a coupon for $1.85 off. He pays with a $20 bill. Which is the best whole number estimate of how much change he gets?

The picture shows how much money Aaron has in his jacket pocket. If he uses $1.12 to buy a soda, how much money does he have left?

The picture below shows Annie and her younger brother Tommy’s money.They want to combine their money to buy something together. How much do they have in all?

In the 1960s, the average price for an ear of corn was 4.17 cents. In the 1980s, the average price went up to 9.83 cents. How much did the average price go up?

Marrisa added 1.56 and 13.47. She got 29.07. What mistake could Marrisa have made?

Ramina found the length of two pieces of ribbon to be 47.6 inches and 39.75 inches. Which is an effective estimation strategy for finding the sum of the two lengths?