RISE Placement Mathematics Fluency β Questions and Answers
Question 1: What is the value of 3Γ(4+5)?
- 28
- 27 (Correct answer)
- 18
- 12
Correct answer: 27
According to the order of operations (PEMDAS), you first add the numbers inside the parentheses. 4+5=9. Then, multiply 3Γ9=27.
Question 2: Solve for π₯ in the equation 2x+5=15.
- x=5 (Correct answer)
- x=10
- x=4
- x=7
Correct answer: x=5
Subtract 5 from both sides: 2x=10. Now divide both sides by 2: x=5.
Question 3: What is the sum of the following numbers: 5, 8, and 12?
- 25 (Correct answer)
- 26
- 28
- 30
Correct answer: 25
Adding the numbers together: 5+8+12=25.
Question 4: If a triangle has a base of 6 units and a height of 8 units, what is its area?
- 24 square units (Correct answer)
- 48 square units
- 36 square units
- 14 square units
Correct answer: 24 square units
The formula for the area of a triangle is Β½ΓbaseΓheight. Thus, Β½ Γ6Γ8=24.
Question 5: What is the perimeter of a rectangle with a length of 10 units and a width of 4 units?
- 28 units (Correct answer)
- 36 units
- 40 units
- 60 units
Correct answer: 28 units
The perimeter of a rectangle is given by 2Γ(length+width). Thus, 2Γ(10+4)=28.
Question 6: What is 7Β²?
- 14
- 49 (Correct answer)
- 56
- 12
Correct answer: 49
7Β² means 7 multiplied by itself: 7Γ7=49.
Question 7: What is the solution to ΒΎ+ β ?
- β
- ΒΉΒΉββ (Correct answer)
- β΅βββ
- Β½
Correct answer: ΒΉΒΉββ
To add fractions, you need a common denominator. The common denominator of 4 and 8 is 8. Convert ΒΎ to βΆββ, then add: βΆββ + β = ΒΉΒΉββ.
Question 8: What is the value of β·ββ as a mixed number?
- 2β (Correct answer)
- 2β
- 3β
- 1β
Correct answer: 2β
β·ββ can be written as a mixed number. Divide 7 by 3, which gives 2 with a remainder of 1. So, β·ββ = 2β .
Question 9: What is the value of 6+4Γ2?
- 14 (Correct answer)
- 16
- 20
- 22
Correct answer: 14
According to the order of operations (PEMDAS), you first multiply: 4Γ2=8. Then add: 6+8=14.
What is the value of 3Γ(4+5)?