# Worksheet on Numbering Systems

Practice the questions given in the worksheet on numbering systems. The questions are based on two types of numbering systems i.e. Indian numbering system and International numbering system.

I. Express the following numbers on the number lines:

(i) 5,000; 6,000; 7,000; 8,000; 9,000; 10,000

(ii) 3,10,000; 3,20,000; 3,30,000; 3,40,000; 3,50,000

(iii) 20,43,000 20,45,000 20,47,000 20,49,000

(iv) 2,400,100 2,500,100 2,600,100 2,700,100

(v) 71,920,300 71,920,400 71,920,500 71,920,600

(vi) 210,421,500 210,422,500 210,423,500 210,424,500

(vii) 2,82,40,310 2,82,40,320 2,82,40,330 2,82,40,340

(viii) 10,20,32,600 20,20,32,600 30,20,32,600 40,20,32,600

(ix) 186,250,370 188,250,370 190,250,370 192,250,370

(x) 15,90,40,820 17,90,40,820 19,90,40,820 21,90,40,820

II. Express the following numbers on the abacus:

(i) 22,40,321

(ii) 2,41,417

(iii) 10,98,361

(iv) 3,46,21,415

(v) 81,20,32,215

(vi) 380,532

(vii) 1,496,583

(viii) 72,032,409

(ix) 835,274,526

(x) 32,621,731

III. Express the following numbers in the expanded form:

(i) 45,34,248

(ii) 3,48,452

(iii) 2,56,45,232

(iv) 49,38,56,570

(v) 98,897

(vi) 389,298

(vii) 2,834,188

(viii) 69,731,569

(ix) 307,438,569

(x) 8,342,493

(xi) 24,68,31,025

(xii) 103,041,240

(xiii) 32,503,418

(xiv) 94,35,28,070

IV. Find the place value of bold digit in each number:

(i) 49,32,081

(ii) 2,38,41,356

(iii) 6,32,18,470

(iv) 17,24,980

(v) 62,03,45,179

(vi) 8,70,421

(vii) 1,028,346

(viii) 14,520,368

(ix) 298,364

(x) 981,420,536

(xi) 37,40,914

(xii) 40,71,84,328

(xiii) 935,492,098

(xiv) 496,318,407

(xv) 18,052,310

(xvi) 68,57,32,318

V. Observe the following numbers and write seven numbers more by skip counting:

(i) 98,125; 98,325; 98,525; ………….

(ii) 2,32,834; 2,33,834; 2,34,834; ………….

(iii) 54,21,469; 54,31,469; 54,41,469; ………….

(iv) 2,31,42,541; 2,41,42,541; 2,51,42,541; ………….

(v) 17,12,31,460; 17,32,31,460; 17,52,31,460; ………….

(vi) 1,120,540; 3,120,540; 5,120,540; ………….

(vii) 21,240,132; 21,242,132; 21,244,132; ………….

(viii) 270,840,621; 270,850,621; 270,860,621; ………….

(ix) 19,870,620; 21,870,620; 23,870,620; ………….

(x) 10,20,30,011; 16,20,30,011; 22,20,30,011; ………….

Answers for the worksheet on numbering systems are given below to check the exact answers of the above questions on Indian and International numbering system.

III. (i) 40,00,000 + 5,00,000 + 30,000 + 4,000 + 200 + 40 + 8

(ii) 3,00,000+40,000+8,000+400+50+2

(iii)  2,00,00,000+50,00,000+6,00,000+40,000+5,000+200+30+2

(iv)  40,00,00,000+9,00,00,000+30,00,000+8,00,000+50,000+6,000+500+70

(v) 90,000+800+90+7

(vi) 300,000+80,000+9,000+200+90+8

(vii)  2,000,000+800,000+30,000+4,000+100+80+8

(viii)  60,000,000+9,000+000+700,000+40,000+1,000+90+3

(ix)  300,000,000+7,000,000+4000,000+30,000+8,000+500+60+9

(x)  8,000,000+300,000+40,000+2,000+400+90+3

(xi)  20,00,00,000+400,00,000+60,00,000+8,00,000+30,000+1,000+20+5

(xii) 100,000,000+3,000,000+40,000+1,000+200+40

(xiii) 30,000,000+2,000,000+5000,000+3,000+400+10+8

(xiv)  90,00,00,000+4,00,00,000+30,00,000+5,00 +000+20,000+8,000+70

IV.   (i)  2,000

(ii) 8,00,000

(iii) 30,00,000

(iv) 7,00,000

(v) 60,00,00,000

(vi) 800,000

(vii) 1,000,000

(viii) 4,000,000

(ix) 8,000

(x) 900,000,000

(xi) 30,00,000

(xii) 70,00,000

(xiii) 900,00,000

(xiv) 90,000,000

(xv) 10,000,000

(xvi) 8,00,00,000

V.  (i) 98,725  98,925  99,125  99,325  99,525  99,725  99,925

(ii) 2,35,834  2,36,834  2,37,834  2,38,834  2,39,834  2,40,834  2,41,834

(iii) 54,51,469  54,61,469  54,71,469  54,81,469  54,91,469  55,01,469  55,11,469

(iv) 2,61,42,541  2,71,42,541  2,81,42,541  2,91,42,541  3,01,42,541  3,11,42,541  3,21,42,541

(v) 17,72,31,460 17,92,31,460  18,12,31,460  18,32,31,460  18,52,31,460  18,72,31,460  18,92,31,460

(vi) 7,120,540   9,120,540 11,120,540   13,120,540   15,120,540  17,120,540   19,120,540

(vii) 21,246,132   21,248,132   21,250,132  21,252,132     21,254,132   21,256,132   21,258,132

(viii) 270,870,621   270,880,621   270,890,621   270,900,621   270,910,621   270,920,621    270,930,621      (ix) 25,870,620   27,870,620   29,870,620   31,870,620   33,870,620    35,870,620   37,870,620

(x) 28,20,30,011   34,20,30,011   40,20,30,011   46,20,30,011   52,20,30,011   58,20,30,011 64,20,30,011

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