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Question 1
Find the area of a rectangle with length 12 and width 4.
Correct Answer:
48
Explanation:
Area of a rectangle is found by multiplying its length by its width. With a length of 12 and a width of 4, multiply 12 by 4 to get 48. So the area is 48 square units. The other numbers would come from different dimensions, not the given 12 and 4.
Question 2
Convert 4 centimeters to millimeters.
Correct Answer:
40
Explanation:
When converting from centimeters to millimeters, remember that 1 centimeter equals 10 millimeters. So, multiply the number of centimeters by 10. For 4 centimeters, 4 × 10 = 40 millimeters. The other numbers don’t fit the conversion: 4 would be the measurement in centimeters, not millimeters; 400 would come from multiplying by 100, which isn’t the conversion factor here; 14 isn’t related to the conversion at all.
Question 3
Find the area of a rectangle with length 9 and width 5.
Correct Answer:
45
Explanation:
Area of a rectangle is found by multiplying its length by its width. With length 9 and width 5, 9 × 5 equals 45, so the area is 45 square units. The other numbers come from using only one dimension (9), squaring the width (5 × 5 = 25), or using a different dimension (like 9 × 6 = 54), which don’t match the given measurements.
Question 4
What is the sum of 5/6 and 7/15?
Correct Answer:
13/10
Explanation:
Adding fractions requires a common denominator so you can combine the tops. Turn each fraction into an equivalent one with the same bottom, then add the tops and simplify. For 5/6 and 7/15, the common denominator is 30. Rewriting gives 5/6 = 25/30 and 7/15 = 14/30. Add them: 25/30 + 14/30 = 39/30. Simplify by dividing numerator and denominator by 3 to get 13/10, which is the final sum (1 and 3/10).
Question 5
Find the greatest common factor of 18 and 24.
Correct Answer:
6
Explanation:
Finding the greatest common factor means finding the largest number that can divide both numbers exactly. A clear way is to list all the factors of each number and see which ones they share. The factors of 18 are 1, 2, 3, 6, 9, and 18. The factors of 24 are 1, 2, 3, 4, 6, 8, 12, and 24. The common factors are 1, 2, 3, and 6, and among these the largest is 6. You can also see this from prime factorization: 18 = 2 × 3^2 and 24 = 2^3 × 3. The common primes with the smallest powers are 2^1 and 3^1, which multiply to 6. So, the greatest common factor is 6.
Question 1
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About this Exam

Prepare with the GMAS 6th Grade Mathematics Practice Test practice quiz. This question bank includes 10 questions covering area, length, find, rectangle, and width. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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GMAS 6th Grade Mathematics Practice Test

This practice set contains 10 questions from the matching question bank and focuses on area, length, find, rectangle, and width. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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