SAN ISIDRO NATIONAL HIGH SCHOOL

San Nicolas, Pangasinan

MATHEMATICS 7
WORK SHEET 4
Score
Name ______________________________________
Section _____________________________________ Date _______________

Direction: Read each question below, then, select the best answer from the given choices by writing the letter in
the line before the number.

_____ 1. Which of the following is NOT a subset of a rational number?

a. Integer b. whole number c. irrational number d. counting number
_____ 2.All of the following are whole numbers, except
a. 0 b. 5.5 c. 1 d. 100 000 000
For questions 3-5, classify the subset of real numbers to which each number belongs.
_____ 3. 10
a. Integer, Natural b. Rational, Integer, Whole, Natural
c. Integer d. Irrational, Whole
_____ 4. √ 5
a. Integer, Natural b. Rational, Integer, Whole, Natural
c. Integer, Whole d. Irrational
2
_____ 5.
3
a. Rational b. Integer, Natural
c. Irrational d. Whole, Natural
_____ 6. Which statement is NOT true?
a. Every counting number is a whole number.
b. Every integer is a rational number.
c. Every decimal is an irrational number.
d. Every natural number is a real number.
_____ 7. Which statement is true?
a. The set of real numbers is a subset of rational numbers
b. The set of decimal numbers are subset of irrational numbers.
c. The set of whole numbers is subset of rational numbers.
d. The set of irrational numbers are subset of rational numbers.
_____ 8. Which number is the smallest?
a. 3.5 b. √ 16 b. 1.33… d. -10
_____ 9. Which number is the greatest?
a. 3.5 b. √ 16 c. 1.33… d. -10
_____10. Which of the following is arranged from least to greatest?
1 1
a. √ 36, 4, , -5.11…, -9 c. -5.11…, , -9, 4, √ 36
2 2
1 1
2 √
b. -9, -5.11…, , 4, 36 d. √ 36, -5.11…, 4, -9,
2
_____11. Which list shows the numbers in decreasing order?
1 1
a. √ 36, 4, , -5.11…, -9 c. -5.11…, , -9, 4, √ 36
2 2
1 1
2 √
b. -9, -5.11…, , 4, 36 d. √ 36, -5.11…, 4, -9,
2
_____12. Which of the following is a subset of real numbers that can be positive, negative or zero?
 a. Counting b. Integer c. Irrational d. Whole

_____13. It is the set of numbers that cannot be expressed as a fraction.

a. Counting b. Integer c. Irrational d. Whole
For number 14-16, compare the following real numbers by writing >, < or = in the blanks before the number.
5 4
______14. ______
8 7
8
______15. -2.75 ______ -
5
______16. 10 ______ √ 121

_____ 17. Which of the following represents a scientific notation?

a. 34.5 x 102 b. 3.45 x 103 c. 0.0000345 d. 3.45 x 1000
_____18. What is the standard notation of 4.08 x 104?
a. 408000 b. 40800 c. 40800000 d. 4080000
_____19. It allows us to express a very small or very large number in a compact form.
a. Scientific Notation b. Real Numbers c. Standard form d. Standard Notation
_____20. Which of the following could not be able to express in scientific notation?
3
a. 5900000 b. c. -0.000 905 d. 20 million
8
_____21. In the given expression, 9.75 x 10-5, which of the following is the coefficient or the number part?
a. 9.75 b. 9 c. -5 d. 10
_____22. Which of the following represents 4.11 x 10-3 in standard notation?
a. 0.0411 b. 0.00411 c. 4110 d. 41100
_____23. According to the history, the first pandemic was the “Spanish flu”, also known as the 1918 flu pandemic
who killed about 10 million people. What is 10 million in scientific notation?
a. 1 x 105 b. 1 x 106 c. 1 x 107 d. 1 x 108
8
_____24. Our planet Earth has an estimated distance of 1.48 x 10 miles from the Sun. How far is the Earth from the
Sun in standard notation?
a. 14,800 miles b. 14,800,000 miles c. 1,480,000 miles d. 148,000,000 miles
1
_____25. Which of the following best represents the arrangement of 2.25, 3 , √ 16, 4.75 on the number line?
4
a. c.
2 3 4 5
2 3 4 5
b. d.
2 3 4 5 2 3 4 5
_____26. There are 10 packs of fruit juice in a box. How many boxes needed if 50 people are attending the meeting
with each receiving 3 packs of fruit juice?
a. 10 b. 12 c. 15 d. 18
_____27. Tintin added four-fifths of a bag of soil to his garden while Julius added three-fourths bags of soil to his
garden. How much more soil did Tintin add than Julius?
3 4 5 1
a. b. c. d.
5 15 8 20
_____28. Alex is thrice as old as Toni. The sum of their ages is 56. How old is Alex now?
a. 14 b. 28 c. 36 d. 42
_____ 29. Janine spent P2,500 for shoes. This was P500 less than twice what she spent for pants. How much
was the pants?
a. P1,000 b. P1,200 c. P1,400 d. P1,500
_____ 30. A class of 40 students is divided into two groups; one group has six less than the other. How many are in
each group?
a. 12 & 28 b. 13 & 27 c. 15 & 25 d. 17 & 23