Balbharti Maharashtra Board Class 5 Maths Solutions Chapter 9 Decimal Fractions Problem Set 42 Textbook Exercise Important Questions and Answers.

Maharashtra State Board Class 5 Maths Solutions Chapter 9 Decimal Fractions Problem Set 42

Question 1.
Subtract the following :

(1) 25.74 – 13.42
Solution:
Maharashtra Board Class 5 Maths Solutions Chapter 9 Decimal Fractions Problem Set 42 1

Maharashtra Board Class 5 Maths Solutions Chapter 9 Decimal Fractions Problem Set 42

(2) 206.35 – 168.22
Solution:
Maharashtra Board Class 5 Maths Solutions Chapter 9 Decimal Fractions Problem Set 42 2

(3) 63.4 – 31.8
Solution:
Maharashtra Board Class 5 Maths Solutions Chapter 9 Decimal Fractions Problem Set 42 3

(4) 63.43 – 31.8
Solution:
Maharashtra Board Class 5 Maths Solutions Chapter 9 Decimal Fractions Problem Set 42 4

Maharashtra Board Class 5 Maths Solutions Chapter 9 Decimal Fractions Problem Set 42

(5) 63.4 – 31.83
Solution:
Maharashtra Board Class 5 Maths Solutions Chapter 9 Decimal Fractions Problem Set 42 5

(6) 8.23 – 5.45
Solution:
Maharashtra Board Class 5 Maths Solutions Chapter 9 Decimal Fractions Problem Set 42 6

(7) 18.23 – 9.45
Solution:
Maharashtra Board Class 5 Maths Solutions Chapter 9 Decimal Fractions Problem Set 42 7

Maharashtra Board Class 5 Maths Solutions Chapter 9 Decimal Fractions Problem Set 42

(8) 78.03 – 41.65
Solution:
Maharashtra Board Class 5 Maths Solutions Chapter 9 Decimal Fractions Problem Set 42 8

Question 2.
Vrinda was 1.48 m tall. After a year, her height became 1.53 m. How many centimeters did her height increase in a year?
Answer:
Maharashtra Board Class 5 Maths Solutions Chapter 9 Decimal Fractions Problem Set 42 13

∴ 5 cm height has increased in a year.

Something more

Decimals used for measurement

We need to measure distance, mass (weight) and volume every day. We use suitable units for these measurements. Kilometre, metre and centimeter for distance; litre, millilitre for volume and kilogram and gram for mass are the units that are used most of the time.

Maharashtra Board Class 5 Maths Solutions Chapter 9 Decimal Fractions Problem Set 42

All these units are decimal units. In this method, gram, metre and litre are taken as the basic units for mass, distance and volume respectively. Units larger than these increase 10 times at every step and smaller units become \(\frac{1}{10}\) of the previous unit at each step.

Look at the table of these units given below.

Maharashtra Board Class 5 Maths Solutions Chapter 9 Decimal Fractions Problem Set 42 15

The origin of the terms kilo, hecto… milli is in the Greek or Latin language. Their English equivalents are given in brackets along with the terms.

Decimal Fractions Problem Set 42 Additional Important Questions and Answers

Subtract the following:

(1) 304.17 – 95.28
Solution:
Maharashtra Board Class 5 Maths Solutions Chapter 9 Decimal Fractions Problem Set 42 9

Maharashtra Board Class 5 Maths Solutions Chapter 9 Decimal Fractions Problem Set 42

(2) 72.84 – 36.96
Solution:
Maharashtra Board Class 5 Maths Solutions Chapter 9 Decimal Fractions Problem Set 42 10

(3) 9.17 – 5.88
Solution:
Maharashtra Board Class 5 Maths Solutions Chapter 9 Decimal Fractions Problem Set 42 11

(4) 100 – 49.99
Solution:
Maharashtra Board Class 5 Maths Solutions Chapter 9 Decimal Fractions Problem Set 42 12

Maharashtra Board Class 5 Maths Solutions Chapter 9 Decimal Fractions Problem Set 42

(5) Atul has 56.25 and Anup has 65. Whose amount is more? How much?
Solution:
Maharashtra Board Class 5 Maths Solutions Chapter 9 Decimal Fractions Problem Set 42 14

∴ Anup’s amount is more by ₹ 8.75