Tamil Nadu Primary School Class 4 - Tamil Nadu Board of Secondary Education Question Bank Solutions for Mathematics

Geethanjali bought 10 pencils at the cost of ₹ 70 from the supermarket. Find the cost of a pencil?

Kuppan bought pencil and pen for ₹ 24.50 and ₹ 6.50 from his total amount ₹ 50. Find the total cost of things that he bought. Also find the balance amount?

A teacher went to the science exhibition with their student. The entry fee is ₹ 250 and the teacher bought some materials for the school for ₹ 320, she had the balance amount of ₹ 330, find the amount that she had?

Meera went to vegetable shop. He bought brinjal for ₹ 29.75. drumstick for ₹ 14.60, raddish for ₹ 34.50 and carrot for ₹ 42.80. Find the total amount and estimate to the nearest one rupee?

Vasu bought car toy for ₹ 37, Bear toy for ₹ 24, monkey toy for ₹ 86. Find the estimated cost and find the difference in estimation close to nearest 10 rupees

In the book fair Manibalan bought Bharathiyar book for ₹ 26.40, Gandhi book for ₹ 18.60, Abdul kalam book for ₹ 43.70 and Kumaran book for ₹ 51.90. Find the estimated cost and difference in estimation closes to nearest one rupee

Geetha bought Jasmine for ₹ 37, Rose for ₹ 58, Mullai for ₹ 26 and Marigold for ₹ 82. Find the estimated cost and difference in estimation, close to the nearest ten rupees

Look at the calendar below.

Let us mark 3 × 3 boxes (9 dates) on the calendar and see some magic.

Now you choose any 3 × 3 boxes from a calendar and find the total in the same way.

Number Surprises

All the radii of a circle are _______________

The ______________ is the longest chord of a circle

A line segment joining any point on the circle to its center is called the _____________ of the circle

A line segment with its end points on the circle is called a ______________

Twice the radius is ________________

Find the diameter of the circle

Radius = 10 cm

Find the diameter of the circle

Radius = 8 cm

Find the diameter of the circle

Radius = 6 cm

Find the radius of the circle

Diameter = 24 cm

Find the radius of the circle

Diameter = 30 cm

Find the radius of the circle

Diameter = 76 cm