Find the value of 0.72 − 0.51 by using grids.

Subtract 7.5 – 3.4 .

Everyday Malar travels 1.820 km by bus and 295 m by walk to reach the school. Find the distance of school from her house in km.

Subtract 2.85 from 4.97.

Subtract 32.042 from 86.9.

Divide 6.3 ÷ 3 using area model.

A car covers 16.8 km in 0.21 hours. What is the distance covered by the car in one hour.

Convert the given decimals to percentage.
0.85

Convert the given decimals to percentage
0.3

Convert the given decimals to percentage.
2.25

Malar bought 1.75 m of fabric from a roll of 25 m. Express the fabric bought in terms of percentage?

Find the simple interest on Rs. 25,000 at 8% per annum for 3 years?

In what time will Rs. 5,600 amount to Rs. 6,720 at 6% per annum?

A sum of Rs. 46,000 was lent out at simple interest and at the end of 1 year and 9 months, the total amount was Rs. 52,440. Find the rate of interest per year.

Solve: 2x + 4 < 18, where x is a natural number.

If one worker earns Rs.200 per day, how many workers can be employed with in a monthly budget of Rs.3 Lakh?

Represent the solutions of 3x + 9 ≤ 12 in a number line, where x is an integer.

Solve graphically: 6y − 5 ≤ 2y + 7, where y is an integer.

Draw circles for the following measurements of radius (r)/ diameters(d).
d = 12 cm

Draw circles for the following measurements of radius (r)/ diameters(d).
 r = 6.5 cm.

Draw concentric circles for the following measurement of radii / diameters. Find out the width of circular ring.
r = 3.5 cm and r = 6.5 cm 

Draw concentric circles for the following measurement of radii / diameters. Find out the width of circular ring.
d = 6.2 cm and r = 6.2 cm

Find the mode of the given set of numbers. 5, 7, 10, 12, 4, 5, 3, 10, 3, 4, 5,7, 9, 10, 5, 12, 16, 20, 5

Find the mode of the following data 123, 132, 145, 176, 180, 120.

The following data shows that the number of hours spent by the students for study.

Number of study hours	1	2	3	4	5	6
Number of students	4	2	1	2	1	0

Find the mode.