Question

Maths Ch:- 6 Decimals
Exercise:- 6.3

Answer 1

Answer:

1.a) 5.61

b) 12.46

c) 45.87

d) 61.16

Answer 2

Answer:

$\bigstar$ 1) Add the following numbers :-

a) 3.45 + 2.16 = 5.61

b) 4.56 + 7.9 = 12.46

c) 10.90 + 34.97 = 45.87

d) 32.11 + 29.05 = 61.16

e) 11.98 + 34.56 + 23.22 = 69.76

f) 25.456 + 3.654 + 112.39 = 141.5

g) 6.52 + 63.2 + 635.2 = 704.92

h) 12.45 + 24.67 + 1.241 = 38.361

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$\bigstar$ 2) Subtract the following numbers :

a) 34.56 - 23.22 = 11.34

b) 123.32 - 29.573 = 93.747

c) 454.98 - 36.7756 = 418.2044

d) 567.67 - 234.55 = 333.12

e) 235.67 - 121.302 = 114.368

f) 90.05 - 17.65 = 72.4

g) 0.546 - 0.317 = 0.229

h) 2.32 - 0.47 = 1.85

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EXTRA INFORMATION :-

$\dashrightarrow \sf\boxed{\bold{\red{Decimal\: Number\: :-}}}$

• Decimal numbers are numbers that are written according to their place unit.
• The decimal point is used to separate whole number from number values less than one.
• It is a number that has a decimal point.

$\mapsto \sf\boxed{\bold{\pink{Types\: of\: Decimal\: Number\: :-}}}$

There are four types of decimal numbers :-

1. Terminating Decimal Numbers
2. Non-Terminating Decimal Numbers
3. Recurring Decimal Numbers
4. Non-Recurring Decimal Numbers