Practice Test 4 - ISEE Lower Level Mathematics Achievement

20 questions. Answer them in any order, then submit to see your score and every explanation.

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1. What fraction is exactly halfway between $\frac{1}{3}$ and $\frac{1}{2}$?
2. In a class survey, 0.15 of the students chose red as their favorite color. What fraction of the students, in simplest form, chose red?
3. A school's goal for a fundraiser is to raise $450. After the first week, they have raised $\frac{2}{3}$ of their goal. How much more money do they need to raise to meet their goal?
4. A scientist measured the width of a specimen to be "four and thirty-two thousandths" centimeters. How is this measurement written in standard form?
5. At an ice cream shop, a family of four each gets a double-scoop cone. Each cone costs $4.85. They also buy a bottle of water for $1.95. What is the best estimate of their total cost?
6. You have ten dollars total and spend three dollars. Solve for $x$: $3 + x = 10$.
7. A plant grew 1.8 inches one week and $1\frac{3}{4}$ inches the next week. What was the total growth of the plant over the two weeks, expressed as a mixed number?
8. A water tank holds 600 gallons of water. A pump removes water at a rate of 15 gallons per minute. If the pump runs for 30 minutes, how many gallons of water are left in the tank?
9. A point is located in the first quadrant. Its x-coordinate is the smallest prime number. Its y-coordinate is 4 times its x-coordinate. What are the coordinates of the point?
10. Polygon puzzle: Which shape has four sides but not all equal?
11. If 7n - 5 = 30, what is the value of n + 2?
12. What is the value of 5 + 3 × (10 - 4)?
13. Aisha used a coupon for $0.50 off. Which fraction equals $0.50?
14. Basketball points per game: 8, 10, 12, 10, 9, 10, 11, 8. Identify the mode of the data set presented.
15. At the beginning of the week, a gas tank in a car was $\frac{7}{8}$ full. By the middle of the week, the tank was $\frac{1}{4}$ full. The owner then added enough gas to make the tank $\frac{2}{3}$ full. How much gas did the owner add?
16. The numbers from 10 to 30, inclusive, are written on separate slips of paper and put into a jar. If one slip is drawn at random, what is the probability the number is divisible by 5?
17. A bag of marbles went through several changes. First, 25 marbles were added. Then, 40 marbles were taken out. Finally, 18 marbles were added. If there are now 120 marbles in the bag, how many were in the bag originally?
18. The temperature in degrees Fahrenheit, F, can be found by multiplying the temperature in degrees Celsius, C, by 9, dividing the result by 5, and then adding 32. Which equation correctly represents this conversion?
19. A tailor has a roll of ribbon that is 5 meters long. She cuts off a piece that is 1.25 meters long and another piece that is 0.8 meters long. How much ribbon is left on the roll?
20. In a game, the score is calculated using a rule based on the number of stars a player collects. A player with 5 stars gets 17 points. A player with 8 stars gets 26 points. Using the same rule, how many points would a player with 10 stars get?

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