Problem Solving

The Davidson quadruplets all swim for the Springview Stingrays swim team. The girls’ swim times are recorded below. Which girl’s swim time is about 27.20?

• Allyssa- 27.29

• Blayne- 27.14

• Camille- 27.18

• Darcy- 27.26

Mr. Harpole uses a computer program for recording his students’ grades. Grades are rounded to the nearest tenth. If Shae has a 96.762 average in Math, what grade will be on her report card when it is rounded to the nearest tenth?

• 96.8

• 96.7

• 96.75

• 97

Jefferson Elementary School was holding a Pennies for Patients campaign to raise money for cancer patients. Two third grade classes argued about who had raised the most money for the fundraiser. Mrs. Pavka’s class had raised $116.30, and Mr. Gonzales’ class had raised $116.03. Who was right?

• Mrs. Pavka’s class because 0.30 < 0.03

• Mr. Gonzales’ class because 0.03 > 0.30

• Mrs. Pavka’s class because 0.30 > 0.03

• Mr. Gonzales’ class because 0.03 = 0.30

Jose’s family moved into a new home. He lives 14.07 miles from his cousins and 14.17 miles from his grandparents. Which of the following distances is between 14.07 and 14.17?

• 14.2 miles

• 14.1 miles

• 14.06 miles

• 13.99 miles

Sofia wanted to mix paint to create the right shade of purple for her bedroom. Home Depot mixed 3.863 ounces of red paint with 8.794 ounces of blue paint for a sample. Which expression correctly shows the total amount of paint used in expanded notation?

• (1 x 10) + (2 x 1) + (6 x 0.1) + (5 x 0.01) + (7 x .01)

• (1 x 10) + (2 x 1) + (6 x 0.1) + (5 x 0.01) + (7 x 0.001)

• (1 x 10) + (2 x 1) + (6 x 0.1) + (5 x 0.01) + ( 7 x .001)

• (1 x 10) + (2 x 1) + (6 x 0.1) + (5 x 0.01) + (7 x 0.01)

Sam drives 16.84 miles to work each day. Which of the following represents the number of miles that Sam drives each day?

• (1 x 10) + (6 x 1) + (8 x 0.1) + (4 x 0.01) = 16.84

• (6 x 10) + (1 x 1) + (8 x 0.1) + (4 x 0.01) = 16.84

• (1 x 10) + (6 x 1) + (8 x 0.1) + (4 x 0.001) = 16.84

• (1 x 10) + (6 x 1) + (4 x 0.1) + (8 x 0.01) = 16.84

Mrs. Carrasco spent a total of $116.49 on her car services. She paid $55.10 to have her oil changed and $26.39 to replace her air filter. She had to pay a labor fee as well. Which expression can be used to determine the amount Mrs. Carrasco paid for the labor fee?

• 116.49 - (55.10 + 26.39) = labor fee

• (116.49 - 55.10) + 26.39 = labor fee

• 116.49 + (55.1 + 26.5) = labor fee

• (55.10 + 116.49) - 26.39 = labor fee

Keisha went to the pet store. She needed dog food and a dog bone. The price of the items are listed in the table below.

Keisha used a coupon to save 50¢. How much money did she spend on the dog food and the dog bone not including tax?

• $6.70

• $11.78

• $11.28

• $10.78

Lisa wrote the expression 12 + (2 x 8) to represent the number of books she packed. Which story matches the expression she wrote?

• Lisa packed a box with 12 books. Then she packed 2 boxes with 8 books in each.

• Lisa packed a box with 12 books. Then she packed the box with 2 books and then added 8 more books.

• Lisa packed a box with 12 books. Then she packed a box with 2 books and another box with 8 books.

• Lisa packed 8 boxes with 2 books in each box. Then she packed 8 boxes with 12 books in each.

A nursery planted 24 fruit trees and four times as many nut trees. The trees were planted in 12 equal rows.

Which expression represents the number of trees in each row of the nursery’s orchard?

• [24 x (4 + 24)] ÷ 12

• [24 + (4 x 24)] ÷12

• 24 + [(4 x 24)] ÷ 12

• (24 x 4) ÷ 12