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![Samacheer Kalvi solutions for Mathematics - Term 2 [English] Class 7 TN Board chapter 1 - Number System - Shaalaa.com](/images/mathematics-term-2-english-class-7-tn-board_6:5f2b1b2038084cf381bfa42c826a928c.jpg "Samacheer Kalvi solutions for Mathematics - Term 2 [English] Class 7 TN Board chapter 1 - Number System")
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Solutions for Chapter 1: Number System
Below listed, you can find solutions for Chapter 1 of Tamil Nadu Board of Secondary Education Samacheer Kalvi for Mathematics - Term 2 [English] Class 7 TN Board.
Samacheer Kalvi solutions for Mathematics - Term 2 [English] Class 7 TN Board 1 Number System Exercise 1.1 [Pages 8 - 9]
Write the decimal numbers for the following pictorial representation of numbers
Write the decimal numbers for the following pictorial representation of numbers
Express the following in cm using decimal
5 mm
Express the following in cm using decimal
9 mm
Express the following in cm using decimal
42 mm
Express the following in cm using decimal
8 cm 9 mm
Express the following in cm using decimal
375 mm
Express the following in metres using decimal
16 cm
Express the following in metres using decimal
7 cm
Express the following in metres using decimal
43 cm
Express the following in metres using decimal
6 m 6 cm
Express the following in metres using decimal
2 mm 54 cm
Expand the following decimal numbers
37.3
Expand the following decimal numbers
658.37
Expand the following decimal numbers
237.6
Expand the following decimal numbers
5678.358
Express the following decimal numbers in place value grid and write the place value of the underlined digit
53.61
Express the following decimal numbers in place value grid and write the place value of the underlined digit
263.271
Express the following decimal numbers in place value grid and write the place value of the underlined digit
17.39
Express the following decimal numbers in place value grid and write the place value of the underlined digit
9.657
Express the following decimal numbers in place value grid and write the place value of the underlined digit
4972.068
Objective type questions
The place value of 3 in 85.073 is ________
tenths
hundredths
thousands
thousandths
To convert grams into kilograms, we have to divide it by
10000
1000
100
10
The decimal representation of 30 kg and 43 g is ______ kg
30.43
30.430
30.043
30.0043
A cricket pitch is about 264 cm wide. It is equal to ______ m.
26.4
2.64
0.264
0.0264
Samacheer Kalvi solutions for Mathematics - Term 2 [English] Class 7 TN Board 1 Number System Exercise 1.2 [Pages 13 - 14]
Fill in the following place value table.
| S.No. | Decimal form | Hundreds (100) | Tens (10) | Ones (1) | Tenths `(1/10)` | Hundredths `(1/100)` | Thousandths `(1/1000)` |
| 1. | 320.157 | 3 | ___ | 0 | 1 | 5 | 7 |
| 2. | 103.709 | 1 | 0 | 3 | ___ | 0 | 9 |
| 3. | 4.003 | 0 | 0 | 4 | 0 | ___ | ___ |
| 4. | 360.805 | 3 | ___ | ___ | 8 | 0 | ___ |
Write the decimal numbers from the following place value table.
| S.No. | Hundreds (100) | Tens (10) | Ones (1) | Tenths `(1/10)` | Hundredths `(1/100)` | Thousandths `(1/1000)` | Decimal form |
| 1. | 8 | 0 | 1 | 5 | 6 | 2 | ____ |
| 2. | 9 | 3 | 2 | 0 | 5 | 6 | ____ |
| 3. | 0 | 4 | 7 | 5 | 0 | 9 | ____ |
| 4. | 5 | 0 | 3 | 0 | 0 | 7 | ____ |
| 5. | 6 | 8 | 0 | 3 | 1 | 0 | ____ |
| 6. | 1 | 0 | 9 | 9 | 0 | 8 | ____ |
Write the following decimal numbers in the place value table
25.178
Write the following decimal numbers in the place value table
0.025
Write the following decimal numbers in the place value table
428.001
Write the following decimal numbers in the place value table
173.178
Write the following decimal numbers in the place value table
19.54
Write the following as decimal numbers
`20 + 1 + 2/10 + 3/100 + 7/1000`
Write the following as decimal numbers
`3 + 8/10 + 4/100 + 5/1000`
Write the following as decimal numbers
`6 + 0/10 + 0/100 + 9/1000`
Write the following as decimal numbers
`900 + 50 + 6 + 3/100`
Write the following as decimal numbers
`6/10 + 3/100 + 1/1000`
Convert the following fractions into decimal numbers
`3/10`
Convert the following fractions into decimal numbers
`3 1/2`
Convert the following fractions into decimal numbers
`3 3/5`
Convert the following fractions into decimal numbers
`3/2`
Convert the following fractions into decimal numbers
`4/5`
Convert the following fractions into decimal numbers
`99/100`
Convert the following fractions into decimal numbers
`3 19/25`
Write the following decimals as fractions
2.5
Write the following decimals as fractions
6.4
Write the following decimals as fractions
0.75
Express the following decimals as fractions in lowest form
2.34
Express the following decimals as fractions in lowest form
0.18
Express the following decimals as fractions in lowest form
3.56
Objective type questions
`3 + 4/100 + 9/1000` = ?
30.49
3049
3.0049
3.049
`3/5` = _________
0.06
0.006
6
0.6
The simplest form of 0.35 is
`35/1000`
`35/10`
`7/20`
`7/100`
Samacheer Kalvi solutions for Mathematics - Term 2 [English] Class 7 TN Board 1 Number System Exercise 1.3 [Pages 16 - 17]
Compare the following decimal numbers and find out the smaller number
2.08, 2.086
Compare the following decimal numbers and find out the smaller number
0.99, 1.9
Compare the following decimal numbers and find out the smaller number
3.53, 3.35
Compare the following decimal numbers and find out the smaller number
5.05, 5.50
Compare the following decimal numbers and find out the smaller number
123.5, 12.35
Arrange the following in ascending order
2.35, 2.53, 5.32, 3.52, 3.25
Arrange the following in ascending order
123.45, 123.54, 125.43, 125.34, 125.3
Compare the following decimal numbers and find the greater number
24.5, 20.32
Compare the following decimal numbers and find the greater number
6.95, 6.59
Compare the following decimal numbers and find the greater number
17.3, 17.8
Compare the following decimal numbers and find the greater number
235.42, 235.48
Compare the following decimal numbers and find the greater number
0.007, 0.07
Compare the following decimal numbers and find the greater number
4.571, 4.578
Arrange the given decimal numbers in descending order
17.35, 71.53, 51.73, 73.51, 37.51
Arrange the given decimal numbers in descending order
456.73, 546.37, 563.47, 745.63, 457.71
Objective type questions
0.009 is equal to
0.90
0.090
0.00900
0.900
37.70 `square` 37.7
=
<
>
≠
78.56 `square` 78.57
<
>
=
≠
Samacheer Kalvi solutions for Mathematics - Term 2 [English] Class 7 TN Board 1 Number System Exercise 1.4 [Page 18]
Write the decimal numbers represented by the points P, Q, R and S on the given number line
Represent the following decimal numbers on the number line
1.7
Represent the following decimal numbers on the number line
0.3
Represent the following decimal numbers on the number line
2.1
Between which two whole numbers, the following decimal number lies?
3.3
Between which two whole numbers, the following decimal number lies?
2.5
Between which two whole numbers, the following decimal number lies?
0.9
Find the greater decimal number in the following.
2.3, 3.2
Find the greater decimal number in the following.
5.6, 6.5
Find the greater decimal number in the following.
1.2, 2.1
Find the smaller decimal number in the following.
25.3, 25.03
Find the smaller decimal number in the following.
7.01, 7.3
Find the smaller decimal number in the following.
5.6, 6.05
Objective type questions
Between which two whole numbers 1.7 lie?
2 and 3
3 and 4
1 and 2
1 and 7
The decimal number which lies between 4 and 5 is ______
4.5
2.9
1.9
3.5
Samacheer Kalvi solutions for Mathematics - Term 2 [English] Class 7 TN Board 1 Number System Exercise 1.5 [Pages 18 - 19]
Miscellaneous Practice problems
Write the following decimal numbers in the place value table
247.36
Write the following decimal numbers in the place value table
132.105
Write the following as decimal number.
`300 + 5 + 7/10 + 9/100 + 2/100`
Write the following as decimal number.
`1000 + 400 + 30 + 2 + 6/10 + 7/100`
Which is greater?
0.888 or 0.28
Which is greater?
23.914 or 23.915
In a 25 m swimming competition, the time taken by 5 swimmers A, B, C, D and E are 15.7 seconds, 15.68 seconds, 15.6 seconds, 15.74 seconds and 15.67 seconds respectively. Identify the winner
Convert the following decimal numbers into fractions
23.4
Convert the following decimal numbers into fractions
46.301
Express the following in kilometres using decimal
256 m
Express the following in kilometres using decimal
4567 m
There are 26 boys and 24 girls in a class. Express the fraction of boys and girls as decimal numbers
Challenge Problems
Write the following amount using decimal
809 rupees 99 paise
Write the following amount using decimal
147 rupees 70 paise
Express the following in metres using decimal
1328 cm
Express the following in metres using decimal
419 cm
Express the following using decimal notation
8 m 30 cm in metres
Express the following using decimal notation
24 km 200 m in kilometres
Write the following fractions as decimal number
`23/10000`
Write the following fractions as decimal number
`421/100`
Write the following fractions as decimal number
`37/10`
Convert the following decimals into fractions and reduce them to the lowest form
2.125
Convert the following decimals into fractions and reduce them to the lowest form
0.0005
Represent the decimal numbers 0.07 and 0.7 on a number line
Write the following decimal numbers in words
4.9
Write the following decimal numbers in words
220.0
Write the following decimal numbers in words
0.7
Write the following decimal numbers in words
86.3
Between which two whole numbers the given number lies?
0.2
Between which two whole numbers the given number lies?
3.4
Between which two whole numbers the given number lies?
3.9
Between which two whole numbers the given number lies?
2.7
Between which two whole numbers the given number lies?
1.7
Between which two whole numbers the given number lies?
1.3
By how much is `9/10` km less than 1 km. Express the same in decimal form
Solutions for 1: Number System
Samacheer Kalvi solutions for Mathematics - Term 2 [English] Class 7 TN Board chapter 1 - Number System
Shaalaa.com has the Tamil Nadu Board of Secondary Education Mathematics Mathematics - Term 2 [English] Class 7 TN Board Tamil Nadu Board of Secondary Education solutions in a manner that help students grasp basic concepts better and faster. The detailed, step-by-step solutions will help you understand the concepts better and clarify any confusion. Samacheer Kalvi solutions for Mathematics Mathematics - Term 2 [English] Class 7 TN Board Tamil Nadu Board of Secondary Education 1 (Number System) include all questions with answers and detailed explanations. This will clear students' doubts about questions and improve their application skills while preparing for board exams.
Further, we at Shaalaa.com provide such solutions so students can prepare for written exams. Samacheer Kalvi textbook solutions can be a core help for self-study and provide excellent self-help guidance for students.
Concepts covered in Mathematics - Term 2 [English] Class 7 TN Board chapter 1 Number System are Conversion between Decimal Fraction and Common Fraction, Comparing Decimal Numbers, Decimals on the Number Line, Decimal Place Value, The Decimal Number System, Concept of Place Value.
Using Samacheer Kalvi Mathematics - Term 2 [English] Class 7 TN Board solutions Number System exercise by students is an easy way to prepare for the exams, as they involve solutions arranged chapter-wise and also page-wise. The questions involved in Samacheer Kalvi Solutions are essential questions that can be asked in the final exam. Maximum Tamil Nadu Board of Secondary Education Mathematics - Term 2 [English] Class 7 TN Board students prefer Samacheer Kalvi Textbook Solutions to score more in exams.
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