Unit 1 Review

Which comparisons are true? There may be more than one correct answer.

• 2.15 < 2.25

• 3.254 < 3.245

• 6.45 > 6.44

• 0.007 > 0.006

Answer explanation

The graph below shows the attendance at a gym for each of the weekdays last week. The attendance for each weekday was estimated to the nearest 25.

How many more people attended the gym on Monday and Tuesday combined than on Thursday and Friday combined?

Cole is saving money from his summer job. He wants to buy a new video game that costs $45.25. He will save the same amount each week for 5 weeks. How much money will Cole save each week for the video game?

• $36.25

• $9.50

• $9.05

• $8.20

Four students are traveling to a math contest. The table below shows the weight of the four students' suitcases.

Order the students from greatest weight of suitcase to least weight of suitcase.

• Tiana

• Juan

• Kimberly

• Emanuel

The table below shows numbers that have been rounded to the tenths of hundredths place. What numbers were NOT rounded correctly.

Select TWO correct answers.

The stem and leaf plot shows the scores of eight people at a dance contest.

What is the difference between the highest score and the lowest score?

• 2.8

• 2.7

• 2.9

• 2.6

The stem and leaf plot shows the number of laps around a track that several teams walked as part of a fundraiser for the library. The teams that walked more than 50 laps raised an extra $100 for the library.

What fraction of the teams raised this extra money?

• 1/4

• 5/12

• 5/7

• 1/3

Two numbers are shown. A number in between is missing. Which number can be placed in the blank to show the numbers in order from greatest to least?

6.027 ______ 6.009

• 6.02

• 6.25

• 6.005

• 6.028

The word form of a number is two thousand, six hundred nine and seventy-five hundredths. Which of these represents this number? Select TWO correct answers.

• ( 2 x 1000) + (6 x 100) + (9 x 10) + (7 x 0.1) + (5 x 0.01)

• ( 2 x 1000) + (6 x 100) + (9 x 1) + (7 x 0.1) + (5 x 0.01)

• ( 2 x 1000) + (6 x 100) + (9 x 1) + (7 x 1) + (5 x 1)

• 2609.75

• 2690.75

Rosemary walks for exercise each week. This table shows the number of miles she walked each week for three weeks. Use the symbols <,>, = to compare two of the number of miles walked. There is more than one possible answer.