Important Questions Test: Decimals - Class 6 MCQ

# Important Questions Test: Decimals - Class 6 MCQ

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## 20 Questions MCQ Test Mathematics (Maths) Class 6 - Important Questions Test: Decimals

Important Questions Test: Decimals for Class 6 2024 is part of Mathematics (Maths) Class 6 preparation. The Important Questions Test: Decimals questions and answers have been prepared according to the Class 6 exam syllabus.The Important Questions Test: Decimals MCQs are made for Class 6 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Important Questions Test: Decimals below.
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Important Questions Test: Decimals - Question 1

### Every ________ with denominator 10 can be written in decimal notation and vice-versa.

Detailed Solution for Important Questions Test: Decimals - Question 1

Every fraction with denominator 10 can be written in decimal notation and vice-versa. One block divided into 100 equal parts means each part is 1/100 (one-hundredth) of a unit. It can be written as 0.01 in decimal notation. Every fraction with denominator 100 can be written in decimal notation and vice-versa.

Important Questions Test: Decimals - Question 2

### Write as a decimal: 200 + 30 + 5 + 2/10 + 9/100

Detailed Solution for Important Questions Test: Decimals - Question 2
Calculation:

• 200 + 30 + 5 + 2/10 + 9/100 = 200 + 30 + 5 + 0.2 + 0.09

• 200 + 30 + 5 + 0.2 + 0.09 = 235.29

• The given expression as a decimal is 235.29

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Important Questions Test: Decimals - Question 3

### Find: 0.29 + 0.36

Detailed Solution for Important Questions Test: Decimals - Question 3
Given numbers:

• 0.29

• 0.36

Calculation:

• Add the two numbers: 0.29 + 0.36 = 0.65

• 0.65

Therefore, the correct answer is 0.65.
Important Questions Test: Decimals - Question 4

Write as a decimal: 60 + 1/10+3/100

Detailed Solution for Important Questions Test: Decimals - Question 4
Decimal Representation of 60 + 1/10 + 3/100

• Step 1: Add the whole number 60 to the fractions 1/10 and 3/100.

• Step 2: Convert the fractions to have the same denominator.

• Step 3: Simplify the fractions and add them to the whole number.

Detailed Solution

• Step 1: 1/10 + 3/100 = 10/100 + 3/100 = 13/100

• Step 2: Convert the fraction 13/100 to a decimal by dividing 13 by 100: 13 ÷ 100 = 0.13

• Step 3: Add the decimal 0.13 to the whole number 60: 60 + 0.13 = 60.13

Therefore, the decimal representation of 60 + 1/10 + 3/100 is 60.13, which is option B.

Important Questions Test: Decimals - Question 5

Find: 0.7 + 0.08

Detailed Solution for Important Questions Test: Decimals - Question 5
Calculation:

• 0.7 + 0.08 = 0.78

Detailed Explanation:

• To add decimal numbers, align the decimal points and add as you would with whole numbers.

• 0.70

• + 0.08

• -----------
• 0.78

• Therefore, 0.7 + 0.08 = 0.78

Conclusion:

• The correct answer is 0.78 (option A)

Important Questions Test: Decimals - Question 6

Decimal notation of 1/4 is _______.

Detailed Solution for Important Questions Test: Decimals - Question 6

1 divided by 4 equals 0.25. So 1/4 is equal to 0.25.

Important Questions Test: Decimals - Question 7

Write as decimal ‘Thirty and one-tenth’.

Detailed Solution for Important Questions Test: Decimals - Question 7

30+1/10
30+0.1=30.1

Important Questions Test: Decimals - Question 8

Write 2 rupees and 50 paise as decimal.

Detailed Solution for Important Questions Test: Decimals - Question 8
Breaking down 2 rupees and 50 paise into decimal form:

• Rupees: 2

• Paise: 50

Converting paise to decimal:

• 1 Rupee = 100 paise

• Therefore, 50 paise = 50/100 = 0.50 rupees

Combining rupees and decimal form of paise:

• 2 rupees + 0.50 rupees = 2.50 rupees

Therefore, 2 rupees and 50 paise is correctly represented as Rs 2.50 in decimal form. The correct answer is D.
Important Questions Test: Decimals - Question 9

Decimal form of ‘six-tenths’ is _________.

Detailed Solution for Important Questions Test: Decimals - Question 9
Decimal form of 'six-tenths' is 0.6

• Step 1: Understand that 'six-tenths' means 6 parts out of 10 parts.

• Step 2: To convert this fraction to a decimal, divide the numerator (6) by the denominator (10).

• Step 3: 6 ÷ 10 = 0.6

• Step 4: Therefore, the decimal form of 'six-tenths' is 0.6

Important Questions Test: Decimals - Question 10

0.01 _____ 0.3

Detailed Solution for Important Questions Test: Decimals - Question 10

The correct option is B as 0.1 is greater than 0.03.

Important Questions Test: Decimals - Question 11

Decimal notation of one-hundredth is ________.

Detailed Solution for Important Questions Test: Decimals - Question 11
Decimal Notation of One-Hundredth

• Definition: One-hundredth is a fraction that represents one part out of 100 equal parts.

• Decimal Notation: To convert a fraction to a decimal, we divide the numerator by the denominator. In this case, 1 divided by 100 is 0.01.

• Decimal Notation: Therefore, the decimal notation of one-hundredth is 0.01.

Important Questions Test: Decimals - Question 12

0.023 lies between

Detailed Solution for Important Questions Test: Decimals - Question 12

Since, 0.023 is greater than 0.02 and less than 0.03. Thus it lies between 0.02 and 0.03.

Important Questions Test: Decimals - Question 13

Write as decimals: 40 + 2 + 3/10

Detailed Solution for Important Questions Test: Decimals - Question 13
Decomposing the expression:

• First, add 40 and 2 to get 42.

• Then, add 3/10 which is equivalent to 0.3.

Combining the results:

• Combine 42 and 0.3 to get the final result.

• Therefore, 40 + 2 + 3/10 = 42.3.

• The decimal form of 40 + 2 + 3/10 is 42.3.

Important Questions Test: Decimals - Question 14

Decimal form of ‘Eleven point two three five’ is ______.

Detailed Solution for Important Questions Test: Decimals - Question 14

Eleven point two three five
=11+.235=11.235

Important Questions Test: Decimals - Question 15

Every ________ with denominator 100 can be written in decimal notation and vice-versa

Detailed Solution for Important Questions Test: Decimals - Question 15
Understanding Fractions and Decimals

• Fractions are numbers that represent a part of a whole, written in the form of a numerator over a denominator.

• Decimals are numbers that represent parts of a whole or parts of a group, written in the form of a decimal point followed by digits.

Converting Fractions to Decimals

• To convert a fraction to a decimal with a denominator of 100, you simply divide the numerator by the denominator.

• For example, the fraction 3/100 can be written as 0.03 in decimal notation.

Converting Decimals to Fractions

• To convert a decimal to a fraction with a denominator of 100, you write the decimal as the numerator over 100.

• For example, the decimal 0.25 can be written as 25/100 in fractional notation.

Conclusion

• Every fraction with a denominator of 100 can be easily converted to decimal notation by dividing the numerator by 100.

• Similarly, every decimal with two decimal places can be written as a fraction with a denominator of 100.

• Therefore, fractions with a denominator of 100 and decimals are interchangeable and can be easily converted from one form to another.

Important Questions Test: Decimals - Question 16

Write as a decimal: 300 + 20 + 3 + 4/10+5/100

Detailed Solution for Important Questions Test: Decimals - Question 16
Detailed

• Add the whole numbers together: 300 + 20 + 3 = 323

• Convert the fractions to decimals: 4/10 = 0.4, 5/100 = 0.05

• Add the decimal numbers to the whole number sum: 323 + 0.4 + 0.05 = 323.45

• Therefore, the decimal form of 300 + 20 + 3 + 4/10 + 5/100 is 323.45

Important Questions Test: Decimals - Question 17

Write as decimals: 300 + 5 + 7/10

Detailed Solution for Important Questions Test: Decimals - Question 17
Explanation:

• Convert the fractions to decimals:

• 7/10 = 0.7

• Add all the numbers together:

• 300 + 5 + 0.7 = 305.7

Therefore, the correct answer is 305.7.
Important Questions Test: Decimals - Question 18

Write as a decimal: 70 + 2/10+6/100

Detailed Solution for Important Questions Test: Decimals - Question 18
Conversion to Decimal:

• Convert the mixed number to a decimal by adding the whole number part to the decimal part.

• Whole number: 70

• Decimal part: 2/10 + 6/100 = 0.2 + 0.06 = 0.26

Final Decimal:

• Add the whole number and the decimal part together: 70 + 0.26 = 70.26

Conclusion:

• Therefore, the decimal form of 70 + 2/10 + 6/100 is 70.26.

Important Questions Test: Decimals - Question 19

Find: 2.66 + 1.85

Detailed Solution for Important Questions Test: Decimals - Question 19
Calculation:

• Given numbers: 2.66 and 1.85

• Adding the numbers: 2.66 + 1.85 = 4.51

• C: 4.51

Important Questions Test: Decimals - Question 20

Find: 1.54 + 1.80

Detailed Solution for Important Questions Test: Decimals - Question 20

Calculation:

• 1.54 + 1.80 = 3.34

Detailed Explanation:

• To find the sum of 1.54 and 1.80, we simply add the two numbers together.

• Adding 1.54 and 1.80 gives us 3.34.

• Therefore, the correct answer is 3.34 (Option C).

## Mathematics (Maths) Class 6

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## Mathematics (Maths) Class 6

94 videos|347 docs|54 tests