7th Standard Syllabus & Materials
7th Standard
Tamilnadu 7th Standard Maths T2 - தகவல் செயலாக்கம் Important Questions And Answers Study Material - QB365 Set B
NEW7th Standard
Tamilnadu 7th Standard Maths T2 - தகவல் செயலாக்கம் Important Questions And Answers Study Material - QB365 Set A
NEW7th Standard
Tamilnadu 7th Standard Maths T2 - வடிவியல் Important Questions And Answers Study Material - QB365 Set C
NEW7th Standard
Tamilnadu 7th Standard Maths T2 - வடிவியல் Important Questions And Answers Study Material - QB365 Set B
NEW7th Standard
Tamilnadu 7th Standard Maths T2 - வடிவியல் Important Questions And Answers Study Material - QB365 Set A
NEW7th Standard
Tamilnadu 7th Standard Maths T2 - இயற்கணிதம் Important Questions And Answers Study Material - QB365 Set C
Published on: 17/06/2021
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Questions + Answers key
Take MCQ Maths Test1.
Simplify: 23.5 − 27.89 + 35.4 − 17.
2.
Find the value of 0.46 − 0.13 by grid model.
3.
Add by using grid 0.51 + 0.25
4.
Round the following decimal numbers upto 2 places of decimal
87.755
5.
Round each decimal number to the given place value.
5.992 to tenth place
1.
First add 23.5 + 35,4
| 23.5 | |
| (+) | 35.4 |
| 58.9 |
Secondly add negative numbers
| 27.89 | |
| (+) | 17.00 |
| 44.89 |
Thirdly,
| 58.90 | |
| (+) | 44.89 |
| 14.01 |
2.
Take a square of 100 boxes.
Shade 46 boxes to represent 0.46.
The strikeout 13 boxes out of 46 shaded boxes to subtract 0.13 from 0.46
The left over shaded boxes represent the required value.
0.46 - 0.13 = 0.33
3.
Here
0.51 = \(\cfrac { 51 }{ 100 } \), and 0.25 = \(\cfrac { 25 }{ 100 } \)
First shade the region
0.51 and then 0.25
The total shaded area is the sum
So, 0.51 + 0.25 = 0.76
4.
Underline the digit to be rounded 87.755
The digit next to the underlined digit is 5 which is equal to 5.
We should add 1 to the underlined digit.
Hence we get 87.76 (Two places of decimal)
5.
underline the digit to be rounded 5.992
Since the digit next to the underlined digit is 9, which is more than 5. Therefore we should add 1 to the underlined digit
Hence we get 5.9 + 0.1 = 6.
7th Standard Syllabus & Materials
7th Standard
Tamilnadu 7th Standard Maths T2 - இயற்கணிதம் Important Questions And Answers Study Material - QB365 Set B
NEW7th Standard
Tamilnadu 7th Standard Maths T2 - இயற்கணிதம் Important Questions And Answers Study Material - QB365 Set A
NEW7th Standard
Tamilnadu 7th Standard Maths T2 - அளவைகள் Important Questions And Answers Study Material - QB365 Set C
NEW7th Standard
Tamilnadu 7th Standard Maths T2 - அளவைகள் Important Questions And Answers Study Material - QB365 Set B
Tamilnadu Stateboard 7th Standard Subjects
Tamilnadu Stateboard Standards
