NAT MATH GRADE 6 REVIEWER

1. What is the value of 7,654 – 3,219?
   A) 4,435
   B) 4,435
   C) 4,433
   D) 4,345

2. What is the product of 523 and 6?
   A) 3,138
   B) 3,132
   C) 3,123
   D) 3,213

3. Solve for x: 3x + 7 = 25
   A) 6
   B) 9
   C) 6.33
   D) 6.5

4. What is the value of 7.8 ÷ 2?
   A) 3.9
   B) 4.5
   C) 3.4
   D) 3.2

5. What is the place value of the digit 5 in the number 9,573.26?
   A) Tens
   B) Hundreds
   C) Thousands
   D) Ten-thousands

6. If the perimeter of a square is 32 cm, what is the length of one side?
   A) 8 cm
   B) 6 cm
   C) 12 cm
   D) 10 cm

7. What is the median of the following set of numbers: 15, 18, 22, 25, 27?
   A) 18
   B) 22
   C) 25
   D) 27

8. What is the value of 4 to the power of 3?
   A) 12
   B) 16
   C) 64
   D) 81

9. If a rectangle has a length of 12 cm and a width of 5 cm, what is its area?
   A) 70 cm²
   B) 60 cm²
   C) 48 cm²
   D) 45 cm²

10. If a dozen eggs costs 72 pesos, how much does one egg cost?
    A) 6 pesos
    B) 7 pesos
    C) 8 pesos
    D) 9 pesos

11. Which of the following numbers is divisible by both 3 and 4?
    A) 24
    B) 36
    C) 45
    D) 58

12. What is the perimeter of a rectangle with a length of 15 meters and a width of 8 meters?
    A) 30 meters
    B) 38 meters
    C) 46 meters
    D) 56 meters

13. What is the value of 1.5 + 2.7?
    A) 4.2
    B) 4.7
    C) 3.6
    D) 4.1

14. If a car travels at a speed of 60 kilometers per hour, how far will it travel in 3 hours?
    A) 180 km
    B) 160 km
    C) 140 km
    D) 120 km

15. What is the area of a triangle with a base of 10 cm and a height of 8 cm?
    A) 40 cm²
    B) 60 cm²
    C) 80 cm²
    D) 100 cm²

16. What is the least common multiple of 6 and 8?
    A) 12
    B) 24
    C) 48
    D) 16

17. If a triangle has angles measuring 45°, 45°, and 90°, what type of triangle is it?
    A) Equilateral
    B) Isosceles
    C) Scalene
    D) Right

18. What is the volume of a cube with a side length of 4 cm?
    A) 16 cm³
    B) 32 cm³
    C) 64 cm³
    D) 12 cm³

19. If a bag contains 8 red marbles, 5 blue marbles, and 3 green marbles, what is the probability of randomly selecting a red marble?
    A) 1/4
    B) 2/3
    C) 3/16
    D) 4/16

20. What is the perimeter of a regular hexagon with each side measuring 6 cm?
    A) 30 cm
    B) 36 cm
    C) 42 cm
    D) 48 cm

21. What is the next prime number after 19?
    A) 20
    B) 21
    C) 22
    D) 23

22. If a circle has a diameter of 14 cm, what is its radius?
    A) 7 cm
    B) 14 cm
    C) 21 cm
    D) 28 cm

23. What is the value of 0.5 × 0.6?
    A) 0.3
    B) 0.4
    C) 0.5
    D) 0.6

24. If a box measures 10 cm by 6 cm by 4 cm, what is its volume?
    A) 200 cm³
    B) 240 cm³
    C) 160 cm³
    D) 120 cm³

25. What is the missing number in the pattern: 4, 9, 16, __, 36?
    A) 20
    B) 24
    C) 25
    D) 30

26. What is the value of 2/5 ÷ 1/2?
    A) 1/5
    B) 4/5
    C) 2/5
    D) 1/4

27. What is the circumference of a circle with a radius of 7 cm?
    A) 14π cm
    B) 21π cm
    C) 28π cm
    D) 49π cm

28. If a bag contains 4 red marbles, 3 blue marbles, and 5 green marbles, what is the probability of randomly selecting a blue marble?
    A) 1/4
    B) 1/3
    C) 3/16
    D) 1/8

29. Solve for x: 3(x - 5) = 21
    A) 12
    B) 10
    C) 8
    D) 7

30. What is the value of 2.3 × 4.5?
    A) 10.35
    B) 10.5
    C) 11.5
    D) 10.15

31. If a triangle has sides measuring 5 cm, 12 cm, and 13 cm, what type of triangle is it?
    A) Equilateral
    B) Isosceles
    C) Scalene
    D) Right

32. What is the sum of the interior angles of a triangle?
    A) 90°
    B) 180°
    C) 270°
    D) 360°

33. If a rectangular prism has a length of 7 cm, a width of 4 cm, and a height of 3 cm, what is its volume?
    A) 84 cm³
    B) 56 cm³
    C) 24 cm³
    D) 76 cm³

34. What is the value of 5% of 400?
    A) 20
    B) 25
    C) 30
    D) 35

35. What is the value of 4.6 ÷ 0.5?
    A) 9.2
    B) 8.2
    C) 9.6
    D) 8.6

36. If a square has an area of 64 cm², what is the length of one side?
    A) 8 cm
    B) 10 cm
    C) 12 cm
    D) 14 cm

37. If a triangle has a base of 8 cm and a height of 6 cm, what is its area?
    A) 36 cm²
    B) 32 cm²
    C) 24 cm²
    D) 20 cm²

38. What is the value of 3.2 + 4.8?
    A) 8.0
    B) 7.0
    C) 8.2
    D) 7.8

39. If a bag contains 2 red marbles, 3 blue marbles, and 4 green marbles, what is the probability of randomly selecting a green marble?
    A) 1/3
    B) 1/4
    C) 1/2
    D) 1/5

40. What is the next number in the sequence: 2, 4, 8, 16, __?
    A) 24
    B) 28
    C) 32
    D) 36