STAAR Review - Estimations (+, –, ×, ÷) - NICHOLAS GLAESER | Library

3

A chemist compares the amounts of water in two jars.

   - Jar X contains 192.6 milliliters of water.
   - Jar Y contains 705.2 milliliters of water.

Approximately how many more milliliters of water does jar Y have than jar X...

   - to the nearest whole: _______ 

   - to the nearest ten: _______ 

   - to the nearest hundred: _______

3

Mr. Maclane drove 577.2 miles. Ms. Lopez drove 165.4 miles.

About how many more miles did Mr. Maclane drive than Ms. Lopez:

   - to the nearest mile: _______ 

   - to the nearest ten miles: _______ 

   - to the nearest hundred miles: _______

2

Shane spent $15.45 on a shirt, $21.99 on a pair of pants, and $12.15 on a hat.

Which is the best estimate for the amount of money in dollars Shane spent:

   - to the nearest dollar: _______ 

   - to the nearest ten dollars: _______

1

Paula wants to buy 3 shirts and 2 belts. Paula has $45.

The shirts cost $16.89 each, and the belts cost $8.97 each.

About how much more money Paula needs in order to buy the shirts and belts?

1

The list shows the length of a day on two different planets.

- Neptune: 16.11 hours
- Venus: 5,832.40 hours

Which statement is best supported by this information?

1

Mr. Márquez had 123 eggs in a refrigerator in his restaurant. He put 32 more cartons of eggs in the refrigerator. Each carton contained 18 eggs.

About how many eggs does Mr. Márquez have now in his refrigerator?

Clarence borrowed $158 from his brother.  He will pay him back $40 each month until he has paid all the money back.  

About how many months will it take Clarence to pay his brother the money he owes?

1

Round $158 to _______ because 160 is a multiple of 40.

1

Solve. About how many months will it take Clarence to pay his brother the money he owes?

2

The largest bull on Ms. Segura’s ranch weighs 2,784 pounds.  The smallest bull weighs 2,219 pounds.

What is the difference between the weights of these bulls rounded...

   - to the nearest ten pounds: _______ 

   - to the nearest hundred pounds: _______

2

At Mr. Greene’s electronics store, tablet computers are listed for sale for $212.99.

Which is the best estimate of the cost of 6 of these computers...

   - to the nearest ten dollars: _______ 

   - to the nearest hundred dollars: _______

2

A rectangular billboard has the dimensions shown.

What is the best estimate of the perimeter of the billboard...

   - rounded to the nearest whole: _______ 

What is the best estimate of the area of the billboard...

   - rounded to the nearest whole: _______

2

Harshad bought a backpack for $35.79, a sleeping bag for $29.95, and a tent for $55.39. 

What is the best estimate of the total amount of money Harshad paid for the three items...

   - rounded to the nearest dollar: _______ 

   - rounded to the nearest ten dollars: _______

1

A group of students are going on a study trip to a history museum. Each student will pay $19.95 to enter.

If there are 31 students in the group, about how much money will they pay altogether to enter the museum?

2

Renato spent $45.25 on a skateboard, $8.98 on knee pads, and $22.15 on a helmet.

Which is the best estimate of the amount of money Renato spent for these items...

   - rounded to the nearest dollar: _______ 

   -rounded to the nearest ten dollars: _______

STAAR Review - Estimations (+, –, ×, ÷)

STAAR Review - Estimations (+, –, ×, ÷)

Paula wants to buy 3 shirts and 2 belts. Paula has $45.

The shirts cost $16.89 each, and the belts cost $8.97 each.

About how much more money Paula needs in order to buy the shirts and belts?

The list shows the length of a day on two different planets.

- Neptune: 16.11 hours
- Venus: 5,832.40 hours

Which statement is best supported by this information?

Mr. Márquez had 123 eggs in a refrigerator in his restaurant. He put 32 more cartons of eggs in the refrigerator. Each carton contained 18 eggs.

About how many eggs does Mr. Márquez have now in his refrigerator?

Solve. About how many months will it take Clarence to pay his brother the money he owes?

A group of students are going on a study trip to a history museum. Each student will pay $19.95 to enter.

If there are 31 students in the group, about how much money will they pay altogether to enter the museum?

Paula wants to buy 3 shirts and 2 belts. Paula has $45.

The shirts cost $16.89 each, and the belts cost $8.97 each.

About how much more money Paula needs in order to buy the shirts and belts?

The list shows the length of a day on two different planets.

- Neptune: 16.11 hours
- Venus: 5,832.40 hours

Which statement is best supported by this information?

Mr. Márquez had 123 eggs in a refrigerator in his restaurant. He put 32 more cartons of eggs in the refrigerator. Each carton contained 18 eggs.

About how many eggs does Mr. Márquez have now in his refrigerator?

What operation will solve this problem?

Solve. About how many months will it take Clarence to pay his brother the money he owes?

A group of students are going on a study trip to a history museum. Each student will pay $19.95 to enter.

If there are 31 students in the group, about how much money will they pay altogether to enter the museum?

What operation will solve this problem?

STAAR Review - Estimations (+, –, ×, ÷)

STAAR Review - Estimations (+, –, ×, ÷)

Paula wants to buy 3 shirts and 2 belts. Paula has $45.The shirts cost $16.89 each, and the belts cost $8.97 each.About how much more money Paula needs in order to buy the shirts and belts?

The list shows the length of a day on two different planets. - Neptune: 16.11 hours - Venus: 5,832.40 hoursWhich statement is best supported by this information?

Mr. Márquez had 123 eggs in a refrigerator in his restaurant. He put 32 more cartons of eggs in the refrigerator. Each carton contained 18 eggs.About how many eggs does Mr. Márquez have now in his refrigerator?

Solve. About how many months will it take Clarence to pay his brother the money he owes?

A group of students are going on a study trip to a history museum. Each student will pay $19.95 to enter. If there are 31 students in the group, about how much money will they pay altogether to enter the museum?

Paula wants to buy 3 shirts and 2 belts. Paula has $45.The shirts cost $16.89 each, and the belts cost $8.97 each.About how much more money Paula needs in order to buy the shirts and belts?

The list shows the length of a day on two different planets. - Neptune: 16.11 hours - Venus: 5,832.40 hoursWhich statement is best supported by this information?

Mr. Márquez had 123 eggs in a refrigerator in his restaurant. He put 32 more cartons of eggs in the refrigerator. Each carton contained 18 eggs.About how many eggs does Mr. Márquez have now in his refrigerator?

What operation will solve this problem?

Solve. About how many months will it take Clarence to pay his brother the money he owes?

A group of students are going on a study trip to a history museum. Each student will pay $19.95 to enter. If there are 31 students in the group, about how much money will they pay altogether to enter the museum?

What operation will solve this problem?

Paula wants to buy 3 shirts and 2 belts. Paula has $45.

The shirts cost $16.89 each, and the belts cost $8.97 each.

About how much more money Paula needs in order to buy the shirts and belts?

The list shows the length of a day on two different planets.

- Neptune: 16.11 hours
- Venus: 5,832.40 hours

Which statement is best supported by this information?

Mr. Márquez had 123 eggs in a refrigerator in his restaurant. He put 32 more cartons of eggs in the refrigerator. Each carton contained 18 eggs.

About how many eggs does Mr. Márquez have now in his refrigerator?

A group of students are going on a study trip to a history museum. Each student will pay $19.95 to enter.

If there are 31 students in the group, about how much money will they pay altogether to enter the museum?

Paula wants to buy 3 shirts and 2 belts. Paula has $45.

The shirts cost $16.89 each, and the belts cost $8.97 each.

About how much more money Paula needs in order to buy the shirts and belts?

The list shows the length of a day on two different planets.

- Neptune: 16.11 hours
- Venus: 5,832.40 hours

Which statement is best supported by this information?

Mr. Márquez had 123 eggs in a refrigerator in his restaurant. He put 32 more cartons of eggs in the refrigerator. Each carton contained 18 eggs.

About how many eggs does Mr. Márquez have now in his refrigerator?

A group of students are going on a study trip to a history museum. Each student will pay $19.95 to enter.

If there are 31 students in the group, about how much money will they pay altogether to enter the museum?