Korean Mathematics for grade 4- grade 9

K-Math Practice Test for Grade 8

K-Math Grade 8 is a Korean mathematics workbook in English for grade 8 students. The level of K-Math Grade 8 is equivalent to the advanced level of American mathematics. It will be the best choice to prepare for SAT Reasoning Test and SAT Subject Test. Experience the sample practice test of K-Math and compare with the assessment test in your location.

1. The diagram shows how subsets of the set of real numbers are related. Which of the following sets could be represented by the Venn diagram below?

A. ⓐ 1 ⓑ 2/3 B. ⓐ -1/9 ⓑ 0.0014

C. ⓐ 0.27 ⓑ -6 D. ⓐ -0.98 ⓑ 5

E. ⓐ -1 ⓑ 0

2. Find the 100th decimal place value in the decimal equivalent of 60/210.

A. 1 B. 2 C. 4 D. 5 E. 7

3. Find the missing exponential expression to complete the equation x⁴÷ 3x²y²× □ = x²y²

A. x²y⁴ B. 3x² C. 3y⁴

D. 3x²y² E. 3x²y⁴

4. The equation S=1/2(a+b)h gives the area of a trapezoid. Solve this equation for variable h.

A. h=1/2(a+b)S B. a=2S/h -b C. h=2S/(a+b)

D. h=2S/a +b E. h=2S/b +a

5. If the solution of the system of equations x-y=7 and 2x+y=p is (4,q), evaluate the expression p+q.

6. 3 more than 5 times a certain number is at least 5 more than 3 times the certain number. What is the least integer of the certain numbers?

7. If three ordered pairs (-1,-1), (1,3), (4,k) are on a line, what is the value of k?

A. 5 B. -5 C. 7 D. -7 E. 9

8. Suppose there are 3 red balls and 2 blue balls in a bag. If a student picks out two balls, what is the possibility that the first ball is red and the second ball is blue?

A. 3/10 B. 7/10 C.3/25 D. 6/25 E. 17/20

9. If line segment AB = line segment AC, line segment DA = line segment DB and ∠BAC=40°, what is the measure of ∠DBC?