Mastering Estimation & Operations: Addition, Subtraction, Multiplication, and Division Practice for Class 7

Addition – Estimated Sum Questions

1. What is the estimated sum of 4,29,689 and 2,68,321?
   (a) Greater than 6,90,000 (b) Less than 6,90,000
   (c) Equal to 6,90,000 (d) Equal to 7,00,000
2. What is the estimated sum of 7,25,150 and 1,49,785?
   (a) Equal to 8,70,000 (b) Less than 8,70,000
   (c) Greater than 8,70,000 (d) Equal to 8,60,000
3. What is the estimated sum of 6,30,420 and 3,40,100?
   (a) Equal to 9,70,000 (b) Greater than 9,70,000
   (c) Equal to 9,80,000 (d) Less than 9,70,000
4. What is the estimated sum of 2,85,999 and 5,15,230?
   (a) Greater than 8,00,000 (b) Equal to 8,00,000
   (c) Less than 8,00,000 (d) Equal to 7,90,000
5. What is the estimated sum of 9,99,999 and 4,00,001?
   (a) Equal to 14,00,000 (b) Greater than 14,00,000
   (c) Less than 14,00,000 (d) Equal to 13,90,000

Subtraction – Estimated Difference Questions

1. What is the estimated difference between 9,85,240 and 4,45,100?
   (a) Equal to 5,40,000 (b) Greater than 5,40,000
   (c) Less than 5,40,000 (d) Equal to 5,30,000
2. What is the estimated difference between 6,25,300 and 2,99,999?
   (a) Equal to 3,30,000 (b) Greater than 3,30,000
   (c) Less than 3,30,000 (d) Equal to 3,20,000
3. What is the estimated difference between 5,00,000 and 3,49,999?
   (a) Equal to 1,50,000 (b) Greater than 1,50,000
   (c) Less than 1,50,000 (d) Equal to 1,60,000
4. What is the estimated difference between 7,49,999 and 6,01,203?
   (a) Equal to 1,50,000 (b) Greater than 1,50,000
   (c) Equal to 1,40,000 (d) Less than 1,40,000
5. What is the estimated difference between 8,15,000 and 4,15,200?
   (a) Equal to 4,00,000 (b) Greater than 4,00,000
   (c) Less than 4,00,000 (d) Equal to 3,90,000

Multiplication – Estimated Product Questions

1. What is the estimated product of 312 and 49?
   (a) About 15,000 (b) About 14,000
   (c) About 16,000 (d) About 13,000
2. What is the estimated product of 802 and 26?
   (a) About 20,000 (b) About 21,000
   (c) About 22,000 (d) About 23,000
3. What is the estimated product of 1,205 and 19?
   (a) About 24,000 (b) About 22,000
   (c) About 23,000 (d) About 25,000
4. What is the estimated product of 689 and 37?
   (a) About 26,000 (b) About 27,000
   (c) About 28,000 (d) About 25,000
5. What is the estimated product of 408 and 68?
   (a) About 28,000 (b) About 30,000
   (c) About 26,000 (d) About 32,000

Division – Estimated Quotient Questions

1. What is the estimated quotient of 8,400 ÷ 21?
   (a) About 400 (b) About 300
   (c) About 350 (d) About 500
2. What is the estimated quotient of 14,500 ÷ 29?
   (a) About 500 (b) About 600
   (c) About 550 (d) About 650
3. What is the estimated quotient of 6,800 ÷ 17?
   (a) About 400 (b) About 450
   (c) About 500 (d) About 350
4. What is the estimated quotient of 9,500 ÷ 24?
   (a) About 400 (b) About 390
   (c) About 410 (d) About 420
5. What is the estimated quotient of 12,000 ÷ 40?
   (a) About 300 (b) About 350
   (c) About 250 (d) About 400