CBSE Class 3 Mathematics Give And Take Worksheet Set 01

Competency : Understanding Basic Concepts

1. Count backwards and fill in the boxes:

a) 19, 18, 17, 16, 15, 14
Answer: 19, [18], [17], [16], [15], [14]
In simple words: Write the numbers in decreasing order by subtracting 1 each time.

Exam Tip: Always double check your counting by moving forward from the last box to make sure it matches the starting number.

Question 1(b). 40
b) 40, 39, 38, 37, 36, 35
Answer: 40, [39], [38], [37], [36], [35]
In simple words: Count down step by step starting from 40.

Exam Tip: Be careful when crossing tens boundaries, such as going from 40 down to 39.

Question 1(c). 68
c) 68, 67, 66, 65, 64, 63
Answer: 68, [67], [66], [65], [64], [63]
In simple words: Subtract 1 successively to fill each box backwards from 68.

Exam Tip: Keep the tens digit same until you reach a number ending in 0.

Question 1(d). 54
d) 54, 53, 52, 51, 50, 49
Answer: 54, [53], [52], [51], [50], [49]
In simple words: List the numbers that come immediately before 54 in reverse order.

Exam Tip: Note the change from 50 to 49 as you count backwards across the decade.

Question 1(e). 14
e) 14, 13, 12, 11, 10, 9
Answer: 14, [13], [12], [11], [10], [9]
In simple words: Count backwards from 14 down to single digits.

Question 1(f). 23
f) 23, 22, 21, 20, 19, 18
Answer: 23, [22], [21], [20], [19], [18]
In simple words: Step backwards one number at a time starting from 23.

Exam Tip: Remember that the number before 20 is 19.

Question 1(g). 65
g) 65, 64, 63, 62, 61, 60
Answer: 65, [64], [63], [62], [61], [60]
In simple words: Decrease the value by 1 successively starting from 65.

Exam Tip: Ensure correct sequencing of units digits: 5, 4, 3, 2, 1, 0.

Question 1(h). 100
h) 100, 99, 98, 97, 96, 95
Answer: 100, [99], [98], [97], [96], [95]
In simple words: Count backwards starting from the three-digit number 100.

Exam Tip: The number right before 100 is 99.

Question 1(i). 21
i) 21, 20, 19, 18, 17, 16
Answer: 21, [20], [19], [18], [17], [16]
In simple words: Write numbers in reverse order beginning with 21.

Exam Tip: Double check that 20 comes right before 21 when counting down.

Question 1(j). 33
j) 33, 32, 31, 30, 29, 28
Answer: 33, [32], [31], [30], [29], [28]
In simple words: Count down by ones starting from 33.

Exam Tip: Notice the change from 30 down to 29.