Quiz about Decimal Operations

Question 1

What was added to 32.25 to get a sum of 50?

Accepted Answer

17.75

Answer

18.75

Answer

19.75

Answer

20.75

Question 2

A bakery sold a total of 7,700.75 pesos yesterday. If the bakery sells a total of 8,650.50 pesos today, how much bigger is their sales today as compared to yesterday?

Accepted Answer

Php 949.75

Answer

Php 1,000

Answer

Php 1,200

Answer

Php 1,500

Question 3

Alonso bought 150 grams of candy for Php 2.50 per gram. How much will she pay?

Accepted Answer

Php 375

Answer

Php 300

Answer

Php 250

Answer

Php 150

Question 4

Subtract 5.8 from 12.4.

Accepted Answer

6.6

Answer

7.6

Answer

8.6

Answer

9.6

Question 5

Jason bought 2.75 kg of apples and 3.45 kg of oranges. What is the total weight of the fruits he purchased?

Accepted Answer

6.20 kg

Answer

6.50 kg

Answer

6.00 kg

Answer

6.75 kg

Question 6

At a bakery, a cake costs Php 2,158.30 and a pie costs Php 116.20. What is the total cost for both items?

Accepted Answer

Php 2,274.50

Answer

Php 2,300

Answer

Php 2,200

Answer

Php 2,400

Question 7

The decimal points are aligned when adding or subtracting decimal numbers.

Accepted Answer

TRUE

Answer

FALSE

Question 8

Jake has 15.6 liters of paint. After using 4.7 liters for a project, he has 11.9 liters left.

Accepted Answer

FALSE

Answer

TRUE

Question 9

A car's fuel tank can hold 40.5 liters. If it currently has 15.2 liters, it needs to be refueled with 25.3 liters to be full.

Accepted Answer

TRUE

Answer

FALSE

Question 10

The answer in subtraction is called difference.

Accepted Answer

TRUE

Answer

FALSE

Question 11

In subtracting decimals, we write the decimal point of the answer aligned with the decimal points of the decimals being subtracted.

Accepted Answer

TRUE

Answer

FALSE

Question 12

In the equation 14.3 - 6.2 = 8.1, the minuend is 6.2.

Accepted Answer

TRUE

Answer

FALSE

Question 13

A worker mixed 3 sacks of cement. Each sack weighs 15.25 kilograms. How many kilograms of cement are there in total?

Accepted Answer

45.75

Answer

30.50

Answer

60.75

Answer

None of the above

Question 14

Rita bought 150 grams of candy for Php 2.50 per gram. How much will she pay?

Accepted Answer

Php 375

Answer

Php 300

Answer

Php 250

Answer

Php 150

Question 15

How many decimal places are there in the quotient of 962.435 and 0.01?

Accepted Answer

1

Answer

2

Answer

3

Answer

4

Question 16

It is a must to align the decimal points before multiplying decimals.

Accepted Answer

FALSE

Answer

TRUE

Question 17

In the equation 0.38 x 6 = 2.28, the number of decimal places of the product is three.

Accepted Answer

FALSE

Answer

TRUE

Question 18

In multiplying a decimal by a power of 10 that is greater than 1, move the decimal point to the right.

Accepted Answer

TRUE

Answer

FALSE

Question 19

To get 5,127, we need to multiply 0.5127 by 1,000.

Accepted Answer

FALSE

Answer

TRUE

Question 20

In the equation 45.9 + 30.4 = 76.3, what do we call 76.3?

Accepted Answer

sum

Answer

difference

Answer

product

Answer

quotient

Question 21

What is the result when 5.5 is subtracted from 18.38?

Accepted Answer

12.88

Answer

13.88

Answer

14.88

Answer

15.88

Question 22

How many decimal places are in the product of 55.42 and 0.9?

Accepted Answer

three

Answer

two

Answer

four

Answer

one

Question 23

Which of the following are the addends if the sum is 7.7?

Accepted Answer

4.2 and 3.5

Answer

5.2 and 2.5

Answer

6.2 and 1.5

Answer

7.2 and 0.5

Question 24

In the equation 95.29- 25.33 = 69.96. what is the number in the minuend?

Accepted Answer

95.29

Answer

25.33

Answer

69.96

Answer

None of the above

Question 25

What must be multiplied by 85.8 to get 85,800?

Accepted Answer

1,000

Answer

100

Answer

10

Answer

None of the above

Question 26

Which of the following is the quotient of 33.3 and 10?

Accepted Answer

3.33

Answer

3.03

Answer

3.13

Answer

3.23

Question 27

Which of the following is the quotient of 33.3 and 10?

Accepted Answer

B 3.33

Answer

A 3.3

Answer

C 3.333

Answer

D 3.3333

Question 28

In adding and subtracting decimals, the decimal points must be aligned by writing the decimals vertically.

Accepted Answer

TRUE

Answer

FALSE

Question 29

The number of decimal places in the product should be the same as the sum of the number of decimals places in the factors.

Accepted Answer

TRUE

Answer

FALSE

Question 30

In dividing decimals, we first change the dividend to a whole number by moving the decimal point to the left.

Accepted Answer

FALSE

Answer

TRUE

Question 31

When we subtract 8.2 from 24.08, the result is 15.88.

Accepted Answer

TRUE

Answer

FALSE

Question 32

Find the sum of 5.28, 3.15 and 2.37?

Accepted Answer

B 10.8

Answer

A 9.8

Answer

C 11.8

Answer

D 12.8

Question 33

Which of the numbers below is the sum of 75.82 and 42.89?

Accepted Answer

C 118.71

Answer

A 118.61

Answer

B 118.70

Answer

D 118.72

Question 34

A baker has 56.4 kg of flour. If he divides them in 4 boxes, how many kg will each box contain?

Accepted Answer

B 14.1

Answer

A 12.1

Answer

C 15.1

Answer

D 16.1

Question 35

If 37.31, 48.59 and 645.93 are to be added, how many decimal places will the sum have?

Accepted Answer

B two

Answer

A one

Answer

C three

Answer

D four

Question 36

Which of the following must be used to divide 9.8 to get a quotient of 9,800?

Accepted Answer

C 0.001

Answer

A 0.01

Answer

B 0.1

Answer

D 0.0001

Question 37

Multiplication is to product as division is to?

Accepted Answer

A quotient

Answer

B factor

Answer

C divisor

Answer

D sum

Question 38

If the numbers being added are called addends, what do we call the numbers being multiplied?

Accepted Answer

B factors

Answer

A products

Answer

C dividends

Answer

D multiples

Question 39

Before dividing a decimal by another decimal, which should be changed to a whole number first?

Accepted Answer

B divisor

Answer

A dividend

Answer

C quotient

Answer

D factor

Question 40

How many decimal places are there in the quotient of 92.857 and 0.01?

Accepted Answer

A 1

Answer

B 2

Answer

C 3

Answer

D 4

Question 41

In adding decimals, we align the decimal point of the answer to the decimal points of the addends.

Accepted Answer

TRUE

Answer

FALSE

Question 42

There are 4 decimal places in the product of 19.02 and 6.182.

Accepted Answer

FALSE

Answer

TRUE

Question 43

To divide decimals by a power of 10 less than 1, copy the dividend then move the decimal point to the left.

Accepted Answer

FALSE

Answer

TRUE

Question 44

To subtract 45.178 from 50.2, annex zeros to 50.2 before solving.

Accepted Answer

TRUE

Answer

FALSE

Question 45

Simplifying 6.73 x 3.2 means getting its product.

Accepted Answer

TRUE

Answer

FALSE

Question 46

Mrs. Tecson divided 875.80 grams of candies among her 29 students. Each student will receive _________of candies.

Accepted Answer

30.2 grams

Answer

25.5 grams

Answer

32.1 grams

Answer

28.7 grams

Question 47

On Monday, it snowed 2.56 inches. On Tuesday, it snowed 3.359 more inches. On Wednesday, it snowed 4.07 more inches. What was the total snowfall over the three days? What is the Main Math Idea?

Accepted Answer

Addition

Answer

Subtraction

Answer

Multiplication

Answer

Division

Question 48

Tammy, Kelley, and Jim love reading books. Tammy read 7.75 hours last month. Kelley read 7.69 hours. Jim read 7.075 hours. Who spent the most time reading?

Accepted Answer

Tammy

Answer

Kelley

Answer

Jim

Answer

Both A and C

Question 49

If you multiply 0.73 by 2.52, how many times would you move the decimal?

Accepted Answer

4

Answer

2

Answer

3

Answer

5

Question 50

4 x 0.03

Accepted Answer

0.12

Answer

12

Answer

120

Answer

0.012

Question 51

This decimal ends in which place value?
0.206

Accepted Answer

Thousandths

Answer

Thousands
Thousands

Answer

Hundreds

Answer

Hundredths

Question 52

What is the result when 9.75 is added to 4.25?

Accepted Answer

12.00

Answer

14.00

Answer

13.00

Answer

15.00

Question 53

If 50.5 is divided by 2.5, what is the quotient?

Accepted Answer

21.0

Answer

23.0

Answer

20.2

Answer

22.0

Question 54

A store sells a shirt for Php 1,200.75 and a pair of pants for Php 1,500.25. What is the total cost for both items?

Accepted Answer

Php 2,700.00

Answer

Php 2,800.00

Answer

Php 2,500.00

Answer

Php 2,600.00

Decimal Operations

74 questions

What was added to 32.25 to get a sum of 50?

A bakery sold a total of 7,700.75 pesos yesterday. If the bakery sells a total of 8,650.50 pesos today, how much bigger is their sales today as compared to yesterday?

Alonso bought 150 grams of candy for Php 2.50 per gram. How much will she pay?

Subtract 5.8 from 12.4.

Jason bought 2.75 kg of apples and 3.45 kg of oranges. What is the total weight of the fruits he purchased?

At a bakery, a cake costs Php 2,158.30 and a pie costs Php 116.20. What is the total cost for both items?

The decimal points are aligned when adding or subtracting decimal numbers.

87.5 – 73.2 = 14.3

Jake has 15.6 liters of paint. After using 4.7 liters for a project, he has 11.9 liters left.

A car's fuel tank can hold 40.5 liters. If it currently has 15.2 liters, it needs to be refueled with 25.3 liters to be full.

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