WorksheetsEstimating Answers
Total questions: 14
Worksheet time: 4hrs 30mins
Which is the most appropriate estimate for 4280 - 2753
4300 - 2800
4760 - 3160
4000 - 2500
Which is the most appropriate estimate for 4757 - 3159
4800 - 3500
4760 -3160
4500 - 3800
Which is the most appropriate estimate for 8456 - 2548
8000 - 3000
7000 - 2000
9000 - 2200
Which is the most appropriate estimate for 9156 - 5762
9200 -5800
9000 - 56000
8500 - 9300
Original 2563 + 5638 =
8201
7000
9205
Nearest 10: 2560 + 5640 =
8500
8300
8200
Nearest 100: 2600 + _______ =
5600 = 8400
5600 = 8200
5400 = 8200
Nearest 1000:
4000 + 6000 = 10,000
3000 + 6000 = 9000
3000 + 5500 = 8500
Estimate the answer to this calculation 5763 + 2185.
Select the calculations which are rounded to the nearest 10, 100 or 1000.
5760 + 2190
5800 + 2200
6000 + 2000
5760 + 2200
Estimate the answer to this calculation 7349 + 6259.
Select the calculations which are rounded to the nearest 10, 100 or 1000.
7000 + 3260
7350 - 3260
7300 + 6300
7000 - 6000
Estimate the answer to this calculation 5846 + 2156.
Select the calculations which are rounded to the nearest 10, 100 or 1000.
6000 + 2000
6000 + 5859
5850 + 2160
5800 + 2200
Aziz estimates the answer of a calculation as 5600.
The numbers in the calculation were rounded to the nearest 100. What could the original calculation be?
3724 + 1876
2500 + 3250
8037 - 2376
7660 - 1570
Use the numbers and + or - to make three number sentences each with the estimated answer of 6300.
2148, 8023, 1683, 3842, 2475, 4158
8023 - 2148
4158 -2148
8023 - 1683
3842 - 2475
3842 + 1683
James estimates the answer to 5135 + 2627 by rounding to the nearest 100. He gets an answer of 7700.
Phoebe says he has estimated incorrectly because 5135 + 2627 = 7762 which rounds to 7800.
Do you agree with Phoebe? Convince me.
Yes
No
