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Problem of the Day

This problem set includes various math problems for 5th graders, covering topics such as saving money, number patterns, decimals, multiplication, and more. Answer key provided.

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Problem of the Day

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  1. Problem of the Day Chapter 9 5th Grade

  2. Amanda follows a pattern for saving money each week for one year. In Week 1 she saved $1.00; in Week 2, $1.60; in Week 3, $2.20; and in Week 4, $2.80. During which weeks will she save $6.40? $8.80?

  3. A number is doubled and then increased by 300. Then 50 is subtracted from the result. The final number is 404. Find the original number.

  4. The sum of four decimals is 9. Each decimal is 0.5 greater than the previous decimal. What are the decimals?

  5. The product of 0.4 and another decimal is less than 0.4 but greater than 0.3. What are the least and greatest decimals, to the nearest hundredth, for the other factor?

  6. The product of two whole numbers is 30. If 10 is added to the first number and 8 is added to the second number, the new product is 208. What are the two numbers?

  7. Without using exponents, find the greatest number you can make using two different operations, parentheses, and the numbers 5, 20, and 30.

  8. What are the next two numbers in this sequence? Describe the sequence. 1 4 2 8 4 16 8 ? ?

  9. If the pattern below continues, what will be the letter in the 30th position? MATHMATHMATH

  10. Four students are waiting in line in the cafeteria. Maria is directly behind Brad. Kevin is not first but is directly in front of Aretha. In which order are the students standing in line?

  11. Four friends buy a pizza for $9 and divide the cost equally. How many one-dollar bills and which coins, except for pennies, can each friend use to pay for the pizza?

  12. Jason had scores of 75, 88, 96, 75, and 92 on his science tests this semester. What are the range, mode, median, and mean of these scores?

  13. What is the cost of this design if ▲=$0.05, ●=$1.10, and ♥=$0.25? ▲ ● ♥ ▲ ♥ ▲ ♥ ▲ ♥ ▲ ♥ ● ▲

  14. Answer Key • Week 10; Week 14 • 77 • 1.5, 2.0, 2.5, 3.0 • 0.76; 0.99 • 6 and 5 • 30 x (20+5)=750 • 32, 16; multiply by 4, divide by 2 • A • Brad, Maria, Kevin, Aretha • Each friend pays with 2 one-dollar bills combined with a quarter, 2 dimes, and 1 nickel, 1 dime and 3 nickels, or 5 nickels. • 21; 75; 88; 85.2 • $3.75

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