1. Make the greatest and the smallest 4-digit numbers using the
digits 1, 0, 8, 5 without repetition of digits.
2. Insert commas suitably and write the number name according to
Indian system of Numeration - 89650213
3. Insert commas suitably and write the number name according to
International system of Numeration - 20358962
4. Estimate the sum: 4625+ 789
5. The distance between the school and the house of a student is
1km 875m. Everyday she walks both ways. Find the total
distance covered by her in 6 days.
6. Write the Roman Numerals of
a) 30
b) 59
c) 73
d) 97
7. Whole numbers are closed under …………… and ………………..
8. State distributive property of whole numbers.
9. State true or False
(a)The whole number 0 has no predecessor
(b)The centre of the circle always lies on the exterior of the circle.
10. The ……………….. are the sides of the polygon
Answers
Answer:
1. Greatest 4-digit number : 8510
Smallest 4-digit number : 1058
2. 8,96,59,213
Number Name : Eight crores ninety six lakh fifty nine thousand two hundred thirteen
3. 20,358,962
Number Name : Twenty million three hundred fifty eight thousand nine hundred sixty two
4. 4 6 2 5
+ 7 8 9
5 4 1 4
Estimate : Nearest 1 = 5410
Nearest 10 = 5400
Nearest 100 = 5000
Nearest 1000 = 10000
5. Distance travelled by the student from house to school = 1km 875m
Distance travelled by the student from house to school and school to house = 1km 875 m * 2 = 3km 750m
Total distance travelled in 6 days = 3km 750m * 6
= 22km 500m
6. a) 30 = X X X
b) 59 = L I X
c) 73 = L X X I I I
d) 97 = X C V I I
7. Addition and Multiplication
8.The different types of properties of whole numbers are are follows:
1) Closure for addition and multiplication.
2) Commutative property for addition and multiplication.
3) Associative property for addition and multiplication.
9.
a) if you are above 6th it's true
if you are below 6th it's false
10. 4 - 10
Hope you have known this