summative Q2 math 7

1. Name: Section: Date: Score:
Directions: Read each item carefully. Write the letter of the correct answer on the space provided
in your answer sheet.
_____1. Which property is illustrated by the statement 7 + 3 = 3 + 7 ?
a. Inverse property of Addition c. Zero Property of Multiplication
b. Commutative Property of Multiplication d. Commutative Property of Addtion
______2. Which statement illustrates the Associative Property of Multiplication?
a. 9 + −9 = 0 c. 9 + (4 + 2) = (9 + 4) + 2
b. 9(4 + 2) = 9(4) + 9(2) d. 9 • (2 • 4) = (9 • 2) • 4
_____3. Which of the following statements describes the Commutative Property of Addition?
a. The order in which numbers are added does not change the sum.
b. The order in which numbers are multiplied does not change the product.
c. Changing the grouping of the addends does not change the sum.
d. Changing the grouping of the products does not change the product.
_____4. What is the multiplicative inverse of 4 ?
a. −
3
4
b. −
4
3
c.
4
3
d.
1
4
_____5. Which property is illustrated by the equation 7(10 + 6) = 7(10) + 7(6)
a. Inverse property of Multiplication c. Zero Property of Multiplication
b. Commutative Property of Multiplication d. Distributive Property over Addtion
____6. Which of the following statements is correct ?
a. The product of any real number and zero is 0.
b. The product of a number and its reciprocal is 0.
c. The sum of any real number and 1 is the number itself.
d. The sum of a number and its opposite is 0.
____7. Which of the following statements is an example of Identity Property of addition?
a. 8 + −8 = 0 b. 3 + 0 = 3 c.−5 (2) = −10 d. −
1
6
(−6) = 1
______8. In the equation 10 + −10 = 0, what do you call the number -10?
𝑎. additive identity of 10 b. multiplicative identity of 10
c. additive inverse of 10 d. multiplicative inverse of 10
____9. Using the Multiplication Property of Zero, which of the following numbers can make the
equation 𝟑𝟏 • (? ) = 𝟔𝟐 true?
a. 1 b. -1 c. 0 d. 2
____10. Which of the following is equivalent to −0.714?
a.
5
7
b.
3
8
c. −
5
7
d. −
3
8
____11. In decimal form,
6
7
is equivalent to which of the following numbers?
a. 0. 5 b. 0. 8 c. 0. 85 d. 0.857
_____13. What is the sum of 5.84 𝑎𝑛𝑑 3.81?
𝑎. 91.65 b. 0. 9165 c. 9.65 d. 96.5
______14. 33. 35 − 7.058 is equal to which of the following numbers?
a. 40.408 b. 34.308 c. 26.292 d. 25.292
_____15. What is the product of 5.7 𝑎𝑛𝑑 − 0.9 ?

2. a. − 51.3 b. 0.513 c. − 5. 13 d. 5.13
_____16. What is the result when you divide 8.25 by 2.5?
a. 3.3 b. 0. 33 c. 33. 3 d. 3.03
______17. −
1
5
−
3
5
is equivalent to which of the following fractions?
a. −
4
10
b. −
4
5
c.
4
5
d.
2
10
_____18. What is the result when you divide 8 by
1
2
?
a. 4 b.16 c.4
1
2
d. 8
1
2
_____19. What is the result when you add
3
4
𝑎𝑛𝑑
2
3
?
b.
6
7
b.
17
12
c. 1
5
12
d. 1
5
17
_____20. What is the result when you multiply −
5
7
𝑎𝑛𝑑
1
5
?
𝑎.
1
7
b. −
5
35
c. −
1
7
d.
5
35
_____21. Which of the following sets of numbers are arranged from greatest to least?
a. 4.3 , 2.85, 3.08 b.1.53, 1.03, 5.13 c. 12.75, 175.2, 15.27 d. 2.403, 2.304 , 2.043
_____22. Which of the following sets of numbers are arranged from least to greatest?
a.
2
3
,
3
5
,
4
7
b.
2
3
,
4
7
,
3
5
c.
4
7
,
3
5
,
2
3
d.
4
7
,
3
5
,
1
3
_____23. Which of the following numbers is not a rational number?
a. 1.414213562 … b. 0.2222 c. 0.2222 … d. 0.121212 …
_____24. Which of the following numbers is a rational number?
a. √
1
3
b. √−4 c. √100 𝑑. √7
_____25. All the given numbers are rational EXCEPT ?
𝑎.
2
5
b.
1
3
c. √2 d. √4
_____26.What is the principal root of √9 ?
a. 3 𝑏. −3 𝑐. √3 𝑑. −√3
_____27. What is the negative root of √144 ?
a. 12 𝑏. −12 𝑐. √12 𝑑. −√12
_____28. Which of the following is equivalent to −√121 + √100 ?
a. 1 𝑏. −1 𝑐. −21 𝑑. 21
_____29. What is the quotient of √100 and √25 ?
a. 2 𝑏. 4 𝑐. 25 𝑑. 75
_____30. Which of the following statements is CORRECT?
a. √8 is between √4 𝑎𝑛𝑑 √5 b. √8 is between √4 𝑎𝑛𝑑 √8
𝑐. √8 is between 4 𝑎𝑛𝑑 9 𝑑. √8 is between 2 𝑎𝑛𝑑 3
_____31. Between which integers does √22 lie?
a. 4 and 5 b. 3 and 4 c. 5 and 6 d. 6 and 7
_____32. Which subsets of real number system does not contain the number 0?
a. Integers b. Natural numbers c. Whole numbers d. Rational numbers
_____33. Which subsets of real numbers that can be expressed as a ratio of integers?
a. Integers b. Natural numbers c. Whole numbers d.Rational numbers
_____34. Which of the following statements is true?
𝑎. all whole numbers are integers 𝑏. zero is a positive number.
𝑐. 𝑧𝑒𝑟𝑜 𝑖𝑠 𝑎 𝑐𝑜𝑢𝑛𝑡𝑖𝑛𝑔 𝑛𝑢𝑚𝑏𝑒𝑟 d. −1 𝑖𝑠 𝑡ℎ𝑒 𝑠𝑚𝑎𝑙𝑙𝑒𝑠𝑡 𝑖𝑛𝑡𝑒𝑔𝑒𝑟.
_____35. Which of the following statements does not describe scientific notation?
a. It is the concise way of expressing very large or very small numbers.
b. It is a way of writing numbers using powers of 10.

3. c. It is a way of writing a number as the product of two factors such that the first factor is greater
than 1 but lesser that 10 and the second factor is a power of 10.
d. It is written as 𝐴 × 10𝑛
, where 1 > 𝐴 > 10 𝑎𝑛𝑑 𝑛 𝑖𝑠 𝑎𝑛 𝑖𝑛𝑡𝑒𝑔𝑒𝑟
_____36. Which of the following scientific notations is written correctly?
a. 13.2 × 104
𝑏. 1.32 × 104
c. 0.132 × 104
d.130. 2 × 104
_____37. Express 9 110 000 000 in scientific notation.
a. 91.1 × 107
𝑏. 9.11 × 107
c. 91.1 × 109
𝑑. 9.11 × 109
_____38. Write 8.2564 × 10−12
in standard form.
a. 0.00000082564 𝑏. 0.000000082564
b. 0.00000000082564 𝑑. 0.0000000000082564
______39. Which of the following numbers is the greatest?
𝑎. 1.23 × 103
𝑏. 1.75 × 103
𝑐. 1.03 × 104
𝑑. 1.11 × 104
_____40. Which of the following statements is TRUE about measurement?
a. It involves selecting a unit of measure.
b. It involves identifying an attribute (e.g. length,volume, weight) of object.
c. It involves comparing the attribute of an object to the unit of measure.
d. All of the above.
_____41. It is the distance from the king’s nose to the tip of the middle of his outreached arm.
a. Foot b. Yard c.Span d.Cubit
_____42. Which of the following is the most reasonable measure for a grain of salt?
a. 1 mg b. 10 mg c. 10 g d. 1 kg
_____43. Which of the following describes a micrometer?
a. It is one- tenth of a meter b. It is one- hundredth of a meter.
c. It is one- thousandth of a meter. d. It is one- millionth of a meter.
_____44. Which of the following is an equivalent measurement?
a. 1 𝑐𝑚 = 100 𝑚𝑚 𝑏. 0.015 𝑘𝑚 = 150 𝑚 c. 1 500 𝑔 = 1.5 𝑘𝑔 𝑑. 0.15 𝐿 = 15 𝑚𝑙
_____45. The world’s longest train has 650 cars and is 0.695 km long. How many meters long is the train?
a. 6.95 𝑚 𝑏. 69.5 𝑚 𝑐. 695 𝑚 𝑑. 6950𝑚
_____46. A cartographer is revising a map that will convert all map distances to millimeter. How
will he express the distance between two places if they are 43 dm apart?
𝑎. 430 𝑚𝑚 𝑏. 4.3 𝑚𝑚 𝑐. 0.43𝑚𝑚 𝑑. 4300𝑚𝑚
_____47. A world-record grape fruit had a mass of 3,068 g. What was its mass in kilograms?
a. 30.68 𝑘𝑔 𝑏. 300.8 𝑘𝑔 𝑐. 0.3068 𝑘𝑔 𝑑. 3.068 𝑘𝑔
_______48.A woman bought 6 bags of oranges,where each bag weighed weighed 7 kilograms.How
many grams did she buy ?
a. 420 𝑔 𝑏. 4200 𝑔 𝑐. 42 𝑔 𝑑. 42000 𝑔
_____49. The flow of the water of Niagara falls averages 6,008,835,000 ml/s. On average, how many liters
of water flow over Niagara Falls each second?
a. 6 008 835 𝑙𝑖𝑡𝑒𝑟𝑠 𝑏. 60.08835 𝑙𝑖𝑡𝑒𝑟𝑠 𝑐. 6.008835 𝑙𝑖𝑡𝑒𝑟𝑠 𝑑. 6 008. 835 𝑙𝑖𝑡𝑒𝑟𝑠
______50. Mary takes 4 hours to wipe each floor of a building. There are 12 floors. How many minutes
does it take her to wipe all the floors?
a. 240 𝑚𝑖𝑛𝑢𝑡𝑒𝑠 𝑏. 720 𝑚𝑖𝑛𝑢𝑡𝑒𝑠 𝑐. 2440 𝑚𝑖𝑛𝑢𝑡𝑒𝑠 𝑑. 2880 𝑚𝑖𝑛𝑢𝑡𝑒𝑠