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More Questions on This Topic :

Question 1. Explain the expression "a tenth". How do we represent a tenth using decimals? [1 MARK]

: If a block of one unit is divided into 10 equal parts, then each part is 110(one-tenth) of the unit. It is written as 0.1 in decimal representation. The dot denotes the decimal point. For example, a tenth​​​​​of 5 = 5×(110) = 0.5.

Question 2. Represent the following numbers on a number line: [2 MARKS]

1.  1.5

2.  2.35

: Number line: 1 Mark each

1.


2.


Question 3. Find the difference between the following numbers and represent it in decimals: [4 MARKS]



1)  4.5 - 2.3 = ?

2)  5 - 2.5 = ?

3)  6.2 - 3.7 = ?

4)  5.6 - 4.7 = ?

 

: Differences: 1 Mark each

1) 4.5 - 2.3 = 2.2
2) 5 - 2.5 = 2.5
3) 6.2 - 3.7 = 2.5
4) 5.6 - 4.7 = 0.9

Question 4. Perform the following arithmetic operations. [4 MARKS]

1) 26.5 - 3.14 + 9.47 - 2.1 = ?

2) (5.3 × 2.1) - (6.2 × 1.4) = ?

3) (0.001×100) + (89.3 + 10.6) = ?

4) 4.05 + 5.13 - 9 = ?


 

: Operations: 1 Mark each


1) 26.5 - 3.14 + 9.47 - 2.1 = 30.73
2) (5.3 ×2.1) - (6.2 ×1.4) = 2.45
3) (0.001×100) + (89.3 + 10.6) = 100
4) 4.07 + 5.13 - 9.2 = 0