CBSE Class 3 Mathematics Long And Short Worksheet Set 02

Question 1. Estimate the lengths of the following objects and tick the right answer
1) Length of a blackboard
(a) Less than 1 m
(b) More than 1 m
Answer: (b) More than 1 m
A standard classroom blackboard is typically much longer than 1 meter (usually around 2 meters or more).
In simple words: A blackboard is quite long, so its length is more than 1 meter.
Exam Tip: Remember that 1 meter is roughly the width of a normal front door or the height of a small table.

Question 2. Estimate the lengths of the following objects and tick the right answer
2) Length of a cot
(a) Less than 1 m
(b) More than 1 m
Answer: (b) More than 1 m
A bed or cot is designed for a person to sleep on, making its length around 1.5 to 2 meters, which is more than 1 meter.
In simple words: A bed is longer than a meter stick because it has to fit a human body.

Exam Tip: Objects used for sleeping or lying down are generally longer than 1 meter.

Question 3. Estimate the lengths of the following objects and tick the right answer
3) Length of a pillow
(a) Less than 1 m
(b) More than 1 m
Answer: (a) Less than 1 m
A standard sleeping pillow is usually about 50 cm to 70 cm long, which is less than 1 meter.
In simple words: A pillow is small enough to fit across a bed, so it measures less than 1 meter.

Exam Tip: Smaller everyday items like pillows, lunchboxes, and books are measured in centimeters (less than 1 meter).

Question 4. Estimate the lengths of the following objects and tick the right answer
4) Length of a door
(a) Less than 1 m
(b) More than 1 m
Answer: (b) More than 1 m
A standard room door is taller and wider than 1 meter (usually around 2 meters high).
In simple words: A door is tall enough for an adult to walk through, so its height/length is more than 1 meter.

Exam Tip: Large room fixtures like doors, windows, and cupboards always measure more than 1 meter.

1. Fill in the blanks

1) The standard unit for measuring length is _________________

2) 1 m = _________________ cm

3) 4 m = _________________ cm

4) 8 m = _________________ cm

5) 2 m 50 cm = _________________ cm

6) 7 m 90 cm = _________________ cm

7) 9m 10 cm = _________________ cm

8) 500 cm = _________________ m

9) 700 cm = _________________ m

10) 850 cm = _________________ m _____________________ cms

Work out the steps in your mind and write the answers directly in the box.

1) 44 + 22 = ⸻⸻

2) 19 + 71 = ⸻⸻

3) 48 + 42 = ⸻⸻

4) 33 + 37 = ⸻⸻

5) 67 + 33 = ⸻⸻

6) 80 + 20 = ⸻⸻

7) 94 - 22 = ⸻⸻

8) 86 - 10 = ⸻⸻

9) 49 - 9 = ⸻⸻

10) 88 - 18 = ⸻⸻

11) 70 - 70 = ⸻⸻

12) 40 - 0 = ⸻⸻