Rounding Decimals
Rounding Expressions
Estimating Problems Part 1
Rounding Answers
Estimating Problems Part 2
100

Round the number below to the nearest tenth.

                              3.6284

What is 3.6?

100

Round each number in the expression below to the nearest hundredth.

                456.6279+63.8607

What is 456.63+63.86?

100

The bus can hold 40 to 60 people. If the bus takes 19 trips daily, about how many people ride the bus?

What is around 950 people?

100

Round the answer to nearest tenth.

                      682.287+78.87

What is 761.2?

100

Elisabeth can fit 400 to 800 beads in a bag. If she has 36 bags, around how many beads can she store in a bag?

What is about 21,600 beads?

200

Round the number below to the nearest thousandth.

                            173.98593

What is 173.986?

200

Round each number in the expression below to the nearest thousandth.

              623,476.67947-2,764.657249

What is 623,476.679-2,764.657?

200

A crate of oranges are sold between $8 and $12. If Adam sold 100 crates, around how much money did he make?

What is about $1,000?

200

Round the answer to nearest hundredth.

                675.5784-546.0878

What is 129.49?
200

Sam rides his bike 14.5 to 16.5 miles every day. About how many miles would he have rode in 29 days?

What is about 449.5 miles?

300

Round the number below to the nearest hundredth.

                        43,687.52769

What is 43,687.53?

300

Round each number in the expression below to the nearest hundred.

                     96,746+23,575

What is 96,700+23,600?

300

A ferry makes 13 trips a day. Between 100 and 120 people on each trip. About how many people ride the ferry a day?

What is around 1,430 people?

300

Round the answer to nearest thousandth.

             8,963.74563-3,653.42466

What is 5,310.321?

300

Elijah shares 23 to 29 pieces of lettuce with giraffes a day. If he does the same for another 84 days, around how much lettuce would he have given away?

What is about 2,184 pieces of lettuce?

400

Round the number below to the nearest hundred thousandth.

                   6,846,285.94752678

What is 6,846,285.94753?

400

Round each number in the expression below to the nearest millionth.

                 34.5678432-6.7284965

What is 34.567843-6.728496?

400

Patricia has a 27 tomato plants in her backyard. Together the plants produces between 27 to 35 tomatoes a week, around how many tomatoes will she have in 4 weeks?

What is around 124 tomatoes?

400

Round the answer to nearest ten thousandth.

           1,369,321.42096+683,854.78492

What is 2,053,176.2059?

400

William drives to work everyday. He takes 20-30 minutes depending on traffic. About how long in minutes will it take him to get to work in 9 days?

What is around 225 minutes?

500

Round the number below to the nearest ten thousandth.

                58,865,476.93451966

What is 58,865,476.9345?

500

Round each number in the expression below to the nearest billion.

69,369,346,389,137+321,478,395,636

What is 69,369,000,000,000+321,000,000,000?

500

Movie tickets cost between $8 and $10. The theater can hold 367 people. About how much money will the theater make with a full house 2 days in a row?

What is $6,606?

500

Round the answer to nearest hundred thousandth.

                 34.579138-12.684924

What is 21.89421?

500

Lucas has collected between 45 and 65 rocks a day. About how many rocks would he have collected in 94 days?

What is about 5,170 rocks?

M
e
n
u