Chapter 3: Playing with Number

Chapter 4:Basic Gemetrical Idea

Chapter 5:Understanding Elementry Shapes

Whole Number

10999 + 1=11000

11000 + 1=11001

11001 + 1=11002

10001 – 1=10000

10000 – 1=9999

9999 – 1=9998

there are 20 whole numbers between 32 and 53.

(a) 2440701

(b) 100199

(c) 1099999

(d) 2345670

(b) Successor of 100199 = 100199 + 1 = 100200

(c) Successor of 1099999 =1099999 +1 = 1100000

(d) Successor of 2345670 = 2345670 + 1 = 2345671

(a) 94

(b) 10000

(c) 208090

(d) 7654321

(b) Predecessor of 10000 = 10000 – 1 = 9999

(c) Predecessor of 208090 = 208090 – 1 = 208089

(d) Predecessor of 7654321 =7654321 – 1 = 7654320

(a) 530, 503

(b) 370, 307

(c) 98765, 56789

(d) 9830415, 10023001

Therefore 503 lies on the left of 530 on the number line.

(b) 370 > 307

Therefore 307 seem on the left of 370 on the number line.

(c)98765 > 56789

Therefore 56789 seem on the left of 98765 on the number line.

(d) 9830415 > 10023001

Therefore 9830415 seem on the left of 10023001

(a) Zero is the smallest natural number.

(b) 400 is the predecessor of 399.

(c) Zero is the smallest whole number.

(d) 600 is the successor of 599.

(e) All natural numbers are whole numbers.

(f) All whole numbers are natural numbers.

(g) The predecessor of a two digit number is never a single digit number.

(h) 1 is the smallest whole number.

(i) The natural number 1 has no predecessor.

(j) The whole number 1 has no predecessor.

(k) The whole number 13 lies between 11 and 12.

(l) The whole number 0 has no predecessor.

(m) The successor of a two digit number is always a two digit number.