Add the numbers: 237+153

There are 320 girls and 200 boys in the school . How many total students are there?

10 and 40 more is.........

Khushboo bought a shirt for Rs 125 and trousers for Rs 165. How much money did she spend altogether?

Write the missing numbers.

100, 200, 300, ________, 500, _______.

Fill the circle with correct number.

What is the total of this grid?

100+20+50 = _____

1+2+5+3 = __________