Easy Level Worksheet
Very Short Answer Questions (1 Mark Each)
(1) Write the smallest whole number.
Correct! 0 is the smallest whole number.
(2) Write the successor of 399.
Perfect! The successor (next number) of 399 is 400.
(3) Write the predecessor of 800.
Excellent! The predecessor (previous number) of 800 is 799.
(4) What is the additive identity for whole numbers?
Great! Adding 0 to any number gives the same number.
(5) Write the multiplicative identity for whole numbers.
Correct! Multiplying any number by 1 gives the same number.
Short Answer Questions (2 Marks Each)
Answer each question clearly
(1) Write all whole numbers between 14 and 20.
(2) Find the sum of the smallest 2-digit whole number and the largest 1-digit whole number.
Perfect! The sum is 19.
(3) If a = 0 and b = 25, find a + b and a × b. a + b =
(4) Check whether 325 is divisible by 5.
Yes, 325 is divisible by 5 because it ends in
(5) Round off 4,382 to the nearest hundred.
4,382 rounded to nearest hundred =
Correct! Since the tens digit is 8 (≥ 5), we round up to 4,400.
Long Answer Questions (4 Marks Each)
Note: Answer each question with complete working and clear explanations.
(1) Write the first 10 multiples of 7.
(2) Draw a number line and show the sum of 5 and 7 using jumps.
(3) Write and verify the commutative property of addition for 15 and 27.
Perfect! Since both give 42, the commutative property is verified.
(4) Write and verify the distributive property of multiplication over addition for numbers 6, 4, and 3.
(5) The cost of one pen is ₹12. Find the cost of 25 such pens.
Excellent! Cost of 25 pens = ₹300.
Part B: Objective Questions (1 Mark Each)
Choose the correct answer and write the option (a/b/c/d)
(1) The smallest whole number is:
(a) 0 (b) 1 (c) –1 (d) 2
Correct! Whole numbers start from 0.
(2) The successor of 700 is:
(a) 699 (b) 701 (c) 702 (d) 700
Correct! Successor means the next number: 700 + 1 = 701.
(3) The predecessor of 10,000 is:
(a) 999 (b) 9,999 (c) 10,001 (d) 10,100
Correct! Predecessor means the previous number: 10,000 - 1 = 9,999.
(4) The additive identity for whole numbers is:
(a) 0 (b) 1 (c) 10 (d) None of these
Correct! Adding 0 to any number gives the same number.
(5) The multiplicative identity for whole numbers is:
(a) 0 (b) 1 (c) 10 (d) 100
Correct! Multiplying any number by 1 gives the same number.
(6) The sum of the smallest and largest 1-digit whole numbers is:
(a) 8 (b) 9 (c) 10 (d) 11
Correct! Smallest = 0, Largest = 9, Sum = 0 + 9 = 9.
(7) Which of the following is a whole number?
(a) –5 (b) 0 (c) 3.5 (d)
Correct! Whole numbers are 0, 1, 2, 3, 4, ... (non-negative integers).
(8) The first multiple of every number is:
(a) 0 (b) 1 (c) The number itself (d) None of these
Correct! Any number multiplied by 0 gives 0, which is the first multiple.
(9) Which of the following is divisible by 5?
(a) 123 (b) 456 (c) 325 (d) 789
Correct! Numbers ending in 0 or 5 are divisible by 5.
(10) The product of any number and 0 is:
(a) 0 (b) 1 (c) The number itself (d) None of these
Correct! This is the zero property of multiplication.
Basic Properties Challenge
Determine whether these statements about whole numbers are True or False: