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Worksheet - 2 I. Fill in The Blanks: Name: Subject:Maths Grade: Vi

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NAME : SUBJECT:MATHS GRADE : VI

DATE :15.07.2021 TOPIC: Whole Numbers

WORKSHEET – 2

I. FILL IN THE BLANKS

1. The whole number which is not a natural number is

2. The natural number whose predecessor does not exist is .

3. There are whole numbers up to 75

4. Predecessor of 2, 90, 099 is .

5. There are natural numbers up to 80.

6. The additive identify for whole numbers is

7. The statement ( 3 + 5 ) + 6 = 3 + ( 5 + 6 ) shows that addition of whole numbers is

8. ________ is the multiplicative identity of whole numbers.

9. 6 x ( 7 + 3 ) = ( 6 x 7 ) + ( 6 x 3 ). This statement shows that multiplication of whole


numbers is over addition.

10. ( 3 x 5 ) x 9 = 3 x ( 5 x 9 ). This statement shows that multiplication of whole number is


.

11. _________is the only whole number which when divided by it self gives a quotient equal to
itself.

12. ____ × 13 = 13 × 18
13. Whole numbers are associative under _______ and ________ operation.
14. Division by ______ is not defined.
15. _______ is the identity for multiplication.
II. DO THE FOLLOWING:

1. How many times does the digit 5 occur in tens place in the natural numbers from 100 to 1000?

2. How many times does the digit 9 occur in the units place in all the natural numbers up to 100 ?

3. Find the sum by suitable rearrangement.

a) 534 + 100 + 466


b) 365 + 700 + 635
4. Add each of the following and check by reversing the order to the addends.

(a) 3025 + 1825 (b) 2094 + 2942

5. Find the product using properties of whole numbers.

(a) 155 x 601 (b) 1800 x 499 (c) 71 x 380.

6. Find the value of the following expressions using properties of whole numbers

(a) 4, 380 x 85 - 4, 380 x 75


(b) 270 x 8 + 270 x 9 + 270
(c) 45 x 20 x 5

7. Find the quotient and remainder in each of the following divisions. Check the answer by division
algorithm.

(a) 4, 567 234 (b) 3, 645 15 (c) 7, 654 19

III. Match the column

Closure Property If a and b are any two whole numbers, then a+b=b+a and a×b=b×a

If a and b are any two whole numbers, then a+b, a×b are also whole
Commutative property
numbers.

Associative property If a, b and c are any two whole numbers, then a(b+c)=a×b+a×c

If a, b and c are any two whole numbers, then (a+b)+c=a+(b+c)


Distributive property
and (a×b)×c=a×(b×c)

Additive Identity If a is any whole number, then a+0=a=0+a

Multiplicative Identity If a is any whole number, then a×0=0=0×a

Multiplication by zero If a is any whole number, then a×1=a=1×a

Division by zero If a is any whole number, then a÷0 is not defined


Match the column

191+13=13+191 Associative Property of Multiplication.

90+0=90 Distributive Property of Multiplication over Addition.

(78+1)+11=78+(1+11) Commutative Property of Multiplication

(121×4)×80=121×(4×80) Distributive Property of Multiplication over Subtraction.

12×(10+85)=12×10+12×85 Associative Property of Addition

71×(11−3)=71×11−71×3 Additive Identity

10×45=45×10 Commutative Property of Addition.

2. Simplify the following.

a. 147 + 98 + 42

b. 273 + 150 + 17

c. 27 × 5 – 24 × 5

d. 75 × 12 × 16

e. 121 × 16 – 16

f. 36 + 18 + 14 + 32 + 50

g. 2512 – 999

h. 4 × 121 × 250

i. 123 × 11 – 120 × 11

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