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Worksheet Solutions: Numbers - 1 | Mental Maths - Class 1 PDF Download

Fill in the blanks


(i) January is the month of the year, December is the ____________ month of the year.
Ans: January is the month of the year, December is the last month of the year.

(ii) Monday is the 2nd day of the week, Friday is the ____________ day of the week.
Ans: Monday is the 2nd day of the week, Friday is the 6th day of the week.

(iii) The greatest number of 1 digit is ____________.
Ans: The greatest number of 1 digit is 9.

(iv) The smallest number of two digits is _________________ and three digits is ____________.
Ans: The smallest number of two digits is 10 and three digits is 100.

(v) The greatest number of three digits is ____________ and the smallest number of four digits is ____________.
Ans: The greatest number of three digits is 999 and the smallest number of four digits is 1000.
Worksheet Solutions: Numbers - 1 | Mental Maths - Class 1

Write in Words


(i) 205

Ans: Two hundred five

(ii) 347
Ans: Three hundred forty seven

(iii) 459
Ans: Four hundred fifty nine

(iv) 968
Ans: Nine hundred sixty eight

(v) 601
Ans: Six hundred one

(vi) 108
Ans: One hundred eight

(vii) 563
Ans: Five hundred sixty three

(viii) 736
Ans: Seven hundred thirty six

(ix) 74
Ans: Seventy four

(x) 872
Ans: Eight hundred seventy two
Worksheet Solutions: Numbers - 1 | Mental Maths - Class 1

Write in Numerals


(i) Nine hundred and thirty nine
Ans: 939

(ii) Seven hundred and seven
Ans: 707

(iii) Five hundred and sixty five
Ans: 565

(iv) Three hundred and seventy three
Ans: 373

(v) One hundred and nineteen
Ans: 119

(vi) Two hundred and eighty six
Ans: 286

(vii) Four hundred and twenty nine
Ans: 429

(viii) Six hundred and twenty
Ans: 620

(ix) Seventy seven
Ans: 77

(x) Eight hundred and fifty nine
Ans: 859
Worksheet Solutions: Numbers - 1 | Mental Maths - Class 1

Write the numbers that come after the following numbers

(i) 500
Ans: 501

(ii) 701
Ans: 702

(iii) 999
Ans: 1000

(iv) 432
Ans: 433

(v) 123
Ans: 124

(vi) 456
Ans: 457

(vii) 987
Ans: 988

(viii) 235
Ans: 236

(ix) 358
Ans: 359

(x) 644
Ans: 645
Worksheet Solutions: Numbers - 1 | Mental Maths - Class 1

Write the numbers that come before the following numbers


(i) 120
Ans: 119

(ii) 234
Ans: 233

(iii) 319
Ans: 318

(iv) 913
Ans: 912

(v) 80
Ans: 79

(vi) 478
Ans: 477

(vii) 535
Ans: 534

(viii) 637
Ans: 636

(ix) 766
Ans765

(x) 439
Ans: 438
Worksheet Solutions: Numbers - 1 | Mental Maths - Class 1

Write the expended form of the following numbers


(i) 639
Ans: 
600 + 30 + 9

(ii) 507
Ans: 
500 + 7

(iii) 460
Ans: 
400 + 60

(iv) 215
Ans:
200 + 10 + 5

(v) 738
Ans:
700 + 30 +8
Worksheet Solutions: Numbers - 1 | Mental Maths - Class 1

Write numbers in short form


(i) 900 + 90 + 7
Ans: 997

(ii) 600 + 0 + 5
Ans: 605

(iii) 100 + 50 + 6
Ans: 156

(iv) 400 + 40 + 4
Ans: 444

(v) 200 + 30 + 0
Ans: 230

(vi) 0 + 70 + 7
Ans: 77

(vii) 300 + 80 + 3
Ans: 383

(viii) 500 + 60 + 9
Ans: 569

Write correct number in the blanks

(Compete the sentence by writing the correct number in the blanks)
(i) 10 is 1 more then ______
Ans: 10 is 1 more then 9

(ii) ______ is one less than 99
Ans: 98 is one less than 99

(iii) 999 is one less than ______
Ans: 999 is one less than 1000

(iv) 371 is one more than ______
Ans: 371 is one more than 370

(v) ______ is one more then 375
Ans: 376 is one more then 375
Worksheet Solutions: Numbers - 1 | Mental Maths - Class 1

Write > or =, < between the given numbers


(i) 673 _______ 763
Ans: 673 < 763

(ii) 568 _______ 468
Ans: 568 > 468

(iii) 329 _______ 339
Ans: 329 < 339

(vi) 807 _______ 800
Ans: 807 > 800

(v) 455 _______ 555
Ans: 455 < 555

(vi) 729 _______ 839
Ans: 729 < 839

(vii) 946 _______ 649
Ans: 946 > 649

(viii) 371 _______ 473
Ans: 371 < 473

(ix) 567 _______ 476
Ans: 567 > 476

(x) 059 _______ 159
Ans: 059 < 159

Worksheet Solutions: Numbers - 1 | Mental Maths - Class 1

Arrange in ascending order


(i) 391, 182, 25, 489, 431
Ans: 25, 182, 391, 431, 489

(ii) 527, 708, 107, 483, 96
Ans: 96, 107, 483, 527, 708

(iii) 379, 793, 973, 937, 739
Ans: 379, 739, 793, 937, 973

(iv) 318, 305, 372, 389, 343
Ans: 305, 318, 343, 372, 389

(v) 999, 499, 599, 799, 399
Ans: 399, 499, 599, 799, 999

The document Worksheet Solutions: Numbers - 1 | Mental Maths - Class 1 is a part of the Class 1 Course Mental Maths.
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FAQs on Worksheet Solutions: Numbers - 1 - Mental Maths - Class 1

1. What are the different ways to represent numbers in words and numerals?
Ans. Numbers can be represented in words, such as "one," "two," or "three," and in numerals, such as 1, 2, or 3. This helps in understanding and communicating numerical values clearly.
2. How do you find numbers that come before and after a given number?
Ans. To find the number that comes before a given number, simply subtract one from that number. To find the number that comes after, add one to the given number. For example, for the number 5, the number before is 4 and the number after is 6.
3. What is the expanded form of a number and how is it written?
Ans. The expanded form of a number expresses it as the sum of its individual digits multiplied by their place value. For example, the expanded form of 345 is 300 + 40 + 5.
4. What does arranging numbers in ascending order mean?
Ans. Arranging numbers in ascending order means organizing them from the smallest to the largest value. For instance, if you have the numbers 3, 1, and 2, the ascending order would be 1, 2, 3.
5. How do I determine if one number is greater than, less than, or equal to another?
Ans. To compare two numbers, you can use the symbols > (greater than), < (less than), or = (equal to). For example, if you compare 5 and 3, you would write 5 > 3, as 5 is greater than 3.
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