class 4 Maths/adhyapakakkoottam

അധ്യാപകക്കൂട്ടം class 4 Maths

Maths...

Points to remember:

1.The largest four digit number?

Ans.9999

2.The largest five digit number?

Ans.99999

3.The smallest four digit number?

Ans.1000

4.The smallest five digit number?

Ans.10000

5.  9-0=9

6.  8-8=0

7.  0-0=0

8.  7634-5326=2308.

9.  3000-2870=130.

10.Triangle has three sides.

11.Rectangle has four sides.

12.Rectangle with all sides equal is a square.

13.Perimeter of a rectangle= length+breadth×2.

14.Perimeter of a square=4×length of one side.

15.Sum of the three sides of a triangle is its perimeter.

16.The length of a rectangle is 8cm and it's perimeter is 24cm.What is its length?

Ans. Beadth= 12-8=4cm.

17.9×0=0.

18.0×0=0

19.10×10=100

20.100×10=1000

21.1000×10=10000

22.120×4=480

23.120×40=4800.

24.1×9=9.

25.9÷9=1

26.8÷1=8

27.---×9=72.

Ans .72÷9=8.

28.Dividend= Quotient×divisor+remainder.

29.Divisor=Dividend÷quotient.

30. Remainder is always less than divisor.

31.When we divide a number by 9, the remainder will be the digits sum of that number.

Prepared by:-

Ramesh.P

Gups Kizhayur.